China National Standards

China potassium GB Standards List


  •  China "potassium" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 11066.12-2024 Methods for chemical analysis of gold - Part 12: - Determination of silver, copper, iron, lead, bismuth, antimony, magnesium, nickel, manganese, palladium, chromium, platinum, rhodium, titanium, zinc, arsenic, tin, silicon, cobalt, calcium, potassium, lithium, sodium, tellurium, vanadium, zirconium, cadmium, molybdenum, rhenium, and aluminum content - Inductively coupled plasma atomic emission spectrometry {译}
    金化学分析方法-第12-部分:-银、铜、铁、铅、铋、锑、镁、镍、锰、钯、铬、铂、铑、钛、锌、砷、锡、硅、钴、钙、钾、锂、钠、碲、钒、锆、镉、钼、铼、铝含量的测定-电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 14949.7-2024 Manganese ore-Determination of sodium and potassium content-Flame atomic absorption spectrometry {译}
    锰矿石-钠和钾含量的测定-火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 3286.12-2023 Methods for chemical analysis of limestone and dolomite Part 12: Determination of potassium oxide and sodium oxide content Flame atomic absorption spectrometry {译}
    石灰石及白云石化学分析方法 第12部分:氧化钾和氧化钠含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB 5009.140-2023 National food safety standards Determination of acesulfame potassium in food {译}
    食品安全国家标准 食品中乙酰磺胺酸钾的测定
    China National Standards
    potassium

    English PDF
    GB 1903.55-2022 National Food Safety Standard Food Nutritional Enhancer L-potassium Ascorbate {译}
    食品安全国家标准 食品营养强化剂 L-抗坏血酸钾
    China National Standards
    potassium

    English PDF
    GB 1886.340-2021 National Food Safety Standard Food Additive Tetrapotassium Pyrophosphate {译}
    食品安全国家标准 食品添加剂 焦磷酸四钾
    China National Standards
    potassium

    English PDF
    GB 1886.337-2021 National Food Safety Standard Food Additive potassium Dihydrogen Phosphate {译}
    食品安全国家标准 食品添加剂 磷酸二氢钾
    China National Standards
    potassium

    English PDF
    GB 1886.334-2021 National Food Safety Standard Food Additive Dipotassium Hydrogen Phosphate {译}
    食品安全国家标准 食品添加剂 磷酸氢二钾
    China National Standards
    potassium

    English PDF
    GB 1886.327-2021 National Food Safety Standard Food Additive Tripotassium Phosphate {译}
    食品安全国家标准 食品添加剂 磷酸三钾
    China National Standards
    potassium

    English PDF
    GB 1886.325-2021 National Food Safety Standard Food Additive potassium Polymetaphosphate {译}
    食品安全国家标准 食品添加剂 聚偏磷酸钾
    China National Standards
    potassium

    English PDF
    GB/T 8297-2023 Concentrated natural rubber latex - Determination of potassium hydroxide (KOH) value {译}
    浓缩天然胶乳 氢氧化钾(KOH)值的测定
    China National Standards
    potassium

    English PDF
    GB/T 1919-2023 Industrial potassium hydroxide {译}
    工业氢氧化钾
    China National Standards
    potassium

    English PDF
    GB/T 10510-2023 Nitrate phosphate fertilizer, Nitrate phosphate potassium fertilizer {译}
    硝酸磷肥、硝酸磷钾肥
    China National Standards
    potassium

    English PDF
    GB/T 649-2023 Chemical reagent potassium bromide {译}
    化学试剂 溴化钾
    China National Standards
    potassium

    English PDF
    GB/T 42511-2023 Cemented carbide - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt powder - Flame atomic absorption spectrometry {译}
    硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 42487-2023 Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method {译}
    土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法
    China National Standards
    potassium

    English PDF
    GB/T 223.63-2022 Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method {译}
    钢铁及合金 锰含量的测定 高碘酸钠(钾)分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 26416.4-2022 Methods for chemical analysis of rare earth iron alloys - Part 4: Determination of iron content - potassium dichromate titration method {译}
    稀土铁合金化学分析方法 第4部分:铁量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB 7300.303-2022 Feed additives - Part 3: Mineral elements and their complexes (chelates) - potassium iodate {译}
    饲料添加剂 第3部分:矿物元素及其络(螯)合物 碘酸钾
    China National Standards
    potassium

    English PDF
    GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - potassium iodate titration and inductively coupled plasma atomic emission spectrometry {译}
    钨精矿化学分析方法 第2部分:锡含量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 5686.2-2022 Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method {译}
    锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法
    China National Standards
    potassium

    English PDF
    GB/T 1918-2021 potassium nitrate for industrial use
    工业硝酸钾
    China National Standards
    potassium

    English PDF
    GB/T 26519.2-2021 Persulfate for industrial use—Part 2:potassium persulfate for industrial use
    工业过硫酸盐 第2部分:工业过硫酸钾
    China National Standards
    potassium

    English PDF
    GB/T 40272-2021 Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium
    纸、纸板、纸浆和纤维素纳米材料 酸溶镁、钙、锰、铁、铜、钠、钾的测定
    China National Standards
    potassium

    English PDF
    GB/T 18996-2021 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride
    银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法)
    China National Standards
    potassium

    English PDF
    GB/T 17832-2021 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide
    银合金首饰 银含量的测定 溴化钾容量法(电位滴定法)
    China National Standards
    potassium

    English PDF
    GB/T 40658-2021 potassium bromide optical elements
    溴化钾光学元件
    China National Standards
    potassium

    English PDF
    GB/T 34609.2-2020 Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum...potassium,chromium and silicon contents—Inductively coupled plasma atomic emission spectrometry
    铑化合物化学分析方法 第2部分:银、金、铂、钯、铱、钌、铅、镍、铜、铁、锡、锌、镁、锰、铝、钙、钠、钾、铬、硅含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 38812.3-2020 Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method
    直接还原铁 硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 38812.2-2020 Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
    直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 38812.1-2020 Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride
    直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 8454-2020 Reduced ilmenite powder for welding rob—Determination of ferrous iron content—potassium dichromate titrimetric method
    焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB 1886.307-2020 National food safety standard - Food additive - potassium copper chlorophyllin
    食品安全国家标准 食品添加剂 叶绿素铜钾盐
    China National Standards
    potassium

    English PDF
    GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method
    铝及铝合金化学分析方法 第33部分:钾含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB 7300.301-2019 Feed additives—Part 3:Minerals and their complexes (or chelates)—potassium iodide
    饲料添加剂 第3部分:矿物元素及其络(螯)合物 碘化钾
    China National Standards
    potassium

    English PDF
    GB/T 37993-2019 potassium aurocyanide
    氰化亚金钾
    China National Standards
    potassium

    English PDF
    GB/T 37918-2019 Fertilizer grade potassium chloride
    肥料级氯化钾
    China National Standards
    potassium

    English PDF
    GB/T 4333.1-2019 Ferrosilicon—Determination of silicon content—Perchloric acid dehydration gravimetric method and potassium fluosilicate volumetric method
    硅铁 硅含量的测定 高氯酸脱水重量法和氟硅酸钾容量法
    China National Standards
    potassium

    English PDF
    GB/T 752-2019 potassium chlorate for industrial use
    工业氯酸钾
    China National Standards
    potassium

    English PDF
    GB/T 37673-2019 :Determination of silicon,aluminum,iron,calcium,magnesium,sodium,potassium,phosphorus,titanium,manganese,strontium and barium in coal ash—X-ray fluorescence spectrometric method
    煤灰中硅、铝、铁、钙、镁、钠、钾、磷、钛、锰、钡、锶的测定 X射线荧光光谱法
    China National Standards
    potassium

    English PDF
    GB/T 37667-2019 Determination of iron,calcium,magnesium,potassium,sodium,manganese,phosphorus,aluminum,titanium,strontium and barium in coal ash—Inductively coupled plasma-atomic emission spectrometry
    煤灰中铁、钙、镁、钾、钠、锰、磷、铝、钛、钡和锶的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB 1903.41-2018 National Food Safety Standard - Food Nutrition Enhancer - potassium Gluconate
    食品安全国家标准-食品营养强化剂-葡萄糖酸钾
    China National Standards
    potassium

    English PDF
    GB/T 20784-2018 potassium nitrate for agricultural use
    农业用硝酸钾
    China National Standards
    potassium

    English PDF
    GB/T 18633-2018 Determination of potassium in feeds—Flame photometry
    饲料中钾的测定 火焰光度法
    China National Standards
    potassium

    English PDF
    GB/T 36207-2018 Fertilizer of calcium silicon magnesium potassium
    硅钙钾镁肥
    China National Standards
    potassium

    English PDF
    GB/T 20937-2018 potassium magnesium of sulphate fertilizer
    硫酸钾镁肥
    China National Standards
    potassium

    English PDF
    GB/T 6609.6-2018 Chemical analysis methods and determination of physical performance of alumina—Part 6:Determination of potassium oxide content
    氧化铝化学分析方法和物理性能测定方法 第6部分:氧化钾含量的测定
    China National Standards
    potassium

    English PDF
    GB/T 35871-2018 Inspection of grain and oils—Determination of calcium, potassium,magnesium, sodium, iron, phosphorus, zinc, copper, manganese, boron, barium, molybdenum, cobalt, chromium, lithium, strontium, nickel, sulfur, vanadium, selenium, rubidium contents in cere
    粮油检验 谷物及其制品中钙、钾、镁、钠、铁、磷、锌、铜、锰、硼、钡、钼、钴、铬、锂、锶、镍、硫、钒、硒、铷含量的测定 电感耦合等离子体发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 13885-2017 Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc in feeds—Method using atomic absorption spectrometry
    饲料中钙、铜、铁、镁、锰、钾、钠和锌含量的测定 原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 14640-2017 Determination of potassium and sodium in water for industrial circulating cooling system and boiler
    工业循环冷却水和锅炉用水中钾、钠含量的测定
    China National Standards
    potassium

    English PDF
    GB/T 6730.49-2017 Iron ores—Determination of potassium content—Flame atomic absorption spectrometric method
    铁矿石 钾含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 6730.76-2017 Iron ores—Determination of potassium, sodium, vanadium, copper, zinc, lead, chromium, nickel, cobalt elements—Inductively coupled plasma optical emission spectrometry
    铁矿石 钾、钠、钒、铜、锌、铅、铬、镍、钴含量的测定 电感耦合等离子体发射光谱法
    China National Standards
    potassium

    English PDF
    GB 34470-2017 Feed additive―potassium dihydrogen phosphate
    饲料添加剂 磷酸二氢钾
    China National Standards
    potassium

    English PDF
    GB 34458-2017 Feed additive―Dipotassium hydrogen phosphate
    饲料添加剂 磷酸氢二钾
    China National Standards
    potassium

    English PDF
    GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration
    锡铅焊料化学分析方法 第7部分:银量的测定 火焰原子吸收光谱法和硫氰酸钾电位滴定法
    China National Standards
    potassium

    English PDF
    GB/T 4698.20-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4:Determination of manganese content—potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry
    海绵钛、钛及钛合金化学分析方法 第4部分:锰量的测定 高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 1819.10-2017 Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method
    锡精矿化学分析方法 第10部分:硫量的测定 高频感应炉燃烧红外吸收法和碘酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 4698.9-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9:Determination of tin content—potassium iodate titration and inductively coupled plasma atomic emission spectrometry
    海绵钛、钛及钛合金化学分析方法 第9部分:锡量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 13747.1-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry
    锆及锆合金化学分析方法 第1部分:锡量的测定 碘酸钾滴定法和苯基荧光酮-聚乙二醇辛基苯基醚分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 4698.23-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 23:Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry
    海绵钛、钛及钛合金化学分析方法 第23部分:钯量的测定 氯化亚锡-碘化钾分光光度法和电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 34499.2-2017 Methods for chemical analysis of iridium compounds—Part 2:Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind
    铱化合物化学分析方法 第2部分: 银、金、铂、钯、铑、钌、铝、铜、铁、镍、 铅、镁、锰、锡、锌、钙、钠、钾、硅的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 5195.5-2017 Fluorspar—Determination of total sulfur content—Pipe furnace combustion iodic acid potassium titration method
    萤石 总硫含量的测定 管式炉燃烧-碘酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 5195.15-2017 Fluorspar—Determination of calcium,aluminum,silicon,phosphorus,sulfur,potassium,iron,barium and lead content—Wavelength dispersive X-ray fluorescence spectrometric method
    萤石 钙、铝、硅、磷、硫、钾、铁、钡、铅含量的测定 波长色散X射线荧光光谱法
    China National Standards
    potassium

    English PDF
    GB/T 5195.16-2017 Fluorspar—Determination of silicon, aluminum, iron, potassium, magnesium and titanium content—Inductively coupled plasma atomic emission spectrometry
    萤石 硅、铝、铁、钾、镁和钛含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 34162-2017 Natural gas—Determination of arsenic content—potassium permanganate sample method
    天然气 砷含量的测定 高锰酸钾取样法
    China National Standards
    potassium

    English PDF
    GB/T 1608-2017 potassium permanganate for industrial use
    工业高锰酸钾
    China National Standards
    potassium

    English PDF
    GB/T 33804-2017 potassium humate for agricultural use
    农业用腐殖酸钾
    China National Standards
    potassium

    English PDF
    GB 5009.91-2017 National food safety standard - Determination of potassium and sodium in food
    食品安全国家标准 食品中钾、钠的测定
    China National Standards
    potassium

    English PDF
    GB/T 4698.4-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4:Determination of manganese content—potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry
    海绵钛、钛及钛合金化学分析方法 第4部分:锰量的测定 高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 35760-2017 Fireworks—potassium perchlorate
    烟花爆竹 高氯酸钾
    China National Standards
    potassium

    English PDF
    GB/T 20406-2017 potassium sulfate for agricultural use
    农业用硫酸钾
    China National Standards
    potassium

    English PDF
    GB/T 1587-2016 potassium carbonate for industrial use
    工业碳酸钾
    China National Standards
    potassium

    English PDF
    GB/T 6730.21-2016 Iron ores—Determination of manganse content—potassium periodate spectrophotometric method
    铁矿石 锰含量的测定 高碘酸钾分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 6730.8-2016 Iron ores—Determination of iron(II) content—potassium dichromate titrimetric method
    铁矿石 亚铁含量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB 1886.247-2016 National Food Safety Standard-Food Additives-potassium bicarbonate
    食品安全国家标准 食品添加剂 碳酸氢钾
    China National Standards
    potassium

    English PDF
    GB 1886.241-2016 National Food Safety Standard-Food Additives-Three potassium glycyrrhizinate
    食品安全国家标准 食品添加剂 甘草酸三钾
    China National Standards
    potassium

    English PDF
    GB 1886.240-2016 National Food Safety Standard-Food Additives-potassium glycyrrhetate
    食品安全国家标准 食品添加剂 甘草酸一钾
    China National Standards
    potassium

    English PDF
    GB 1886.94-2016 National Food Safety Standard-Food Additives-potassium nitrite
    食品安全国家标准 食品添加剂 亚硝酸钾
    China National Standards
    potassium

    English PDF
    GB 1886.229-2016 National Food Safety Standard - Food Additives - Aluminum potassium sulfate (also known as potassium alum)
    食品安全国家标准 食品添加剂 硫酸铝钾(又名钾明矾)
    China National Standards
    potassium

    English PDF
    GB 31604.2-2016 National Food Safety Standard-Food contact materials and products-Determination of consumption of potassium permanganate
    食品安全国家标准 食品接触材料及制品 高锰酸钾消耗量的测定
    China National Standards
    potassium

    English PDF
    GB 1886.74-2015 National Food Safety Standard-Food Additives-potassium citrate
    食品安全国家标准 食品添加剂 柠檬酸钾
    China National Standards
    potassium

    English PDF
    GB 1886.39-2015 National Food Safety Standard-Food Additives-potassium sorbate
    食品安全国家标准 食品添加剂 山梨酸钾
    China National Standards
    potassium

    English PDF
    GB 1886.13-2015 National Food Safety Standard-Food Additives-potassium permanganate
    食品安全国家标准 食品添加剂 高锰酸钾
    China National Standards
    potassium

    English PDF
    GB/T 1397-2015 Chemical reagent—potassium carbonate anhydrous
    化学试剂 无水碳酸钾
    China National Standards
    potassium

    English PDF
    GB/T 650-2015 Chemical reagent—potassium bromate
    化学试剂 溴酸钾
    China National Standards
    potassium

    English PDF
    GB/T 31532-2015 Determination of acesulfame potassium and sodium saccharin in toothpaste—High performance liquid chromatography
    牙膏中丁磺氨钾和糖精钠的测定 高效液相色谱法
    China National Standards
    potassium

    English PDF
    GB/T 3884.15-2014 Methods for chemical analysis of copper concentrates―Part 15:Determination of iron content―potassium dichromate titration method
    铜精矿化学分析方法 第15部分:铁量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 22597-2014 Determination of chemical oxygen demand of reclaimed wastewater―potassium dichromate method
    再生水中化学需氧量的测定 重铬酸钾法
    China National Standards
    potassium

    English PDF
    GB 31623-2014 National food safety standard Food additive potassium stearate
    食品安全国家标准 食品添加剂 硬脂酸钾
    China National Standards
    potassium

    English PDF
    GB/T 3286.7-2014 Methods for chemical analysis of limestone and dolomite―Part 7: The determination of sulphur content―The pipe furnace combustion iodic acid potassium titration method,the high frequency combustion with infrared absorption method and the barium sulfa
    石灰石及白云石化学分析方法 第7部分:硫含量的测定 管式炉燃烧-碘酸钾滴定法、高频燃烧红外吸收法和硫酸钡重量法
    China National Standards
    potassium

    English PDF
    GB/T 1919-2014 potassium hydroxide for industrial use
    工业氢氧化钾
    China National Standards
    potassium

    English PDF
    GB/T 14420-2014 Analysis of water used in boiler and cooling system―Determination of chemical oxygen demand―Rapid method with potassium dichromate
    锅炉用水和冷却水分析方法 化学耗氧量的测定 重铬酸钾快速法
    China National Standards
    potassium

    English PDF
    GB/T 30376-2013 Determination of Iron,Manganese,Copper,Zinc,Calcium ,Magnesium,potassium,Sodium,Phosphorus,Sulfur in Tea—Inductively coupled plasma atomic emission spectrometry
    茶叶中铁、锰、铜、锌、钙、镁、钾、钠、磷、硫的测定-电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB 29988-2013 National Food Safety Standard Food Additive Identification potassium alginate (potassium alginic acid)
    食品安全国家标准 食品添加剂 海藻酸钾(褐藻酸钾)
    China National Standards
    potassium

    English PDF
    GB/T 20784-2013 potassium nitrate for agricultural use
    农业用硝酸钾
    China National Standards
    potassium

    English PDF
    GB/T 11064.4-2013 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 4: Determination of potassium and sodium content - Flame atomic absorption spectrometric method
    碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第4部分:钾量和钠量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 4325.16-2013 Methods for chemical analysis of molybdenum - Part 16: Determination of potassium content - Flame atomic absorption spectrometry
    钼化学分析方法 第16部分:钾量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 8151.7-2012 Methods for chemical analysis of zinc concentrates - Part 7: Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method
    锌精矿化学分析方法 第7部分:砷量的测定 氢化物发生-原子荧光光谱法和溴酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 4324.18-2012 Methods for chemical analysis of tungsten - Part 18: Determination of potassium content - Flame atomic absorption spectrometry
    钨化学分析方法 第18部分:钾量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 3884.9-2012 Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photom
    铜精矿化学分析方法 第9部分:砷和铋量的测定 氢化物发生-原子荧光光谱法、溴酸钾滴定法和二乙基二硫代氨基甲酸银分光光度法
    China National Standards
    potassium

    English PDF
    GB 29439-2012 The norm of energy consumption per unit product of potassium sulfate
    硫酸钾单位产品能源消耗限额
    China National Standards
    potassium

    English PDF
    GB/T 29339-2012 Production technical regulation for potassium permanganate
    高锰酸钾生产技术规范
    China National Standards
    potassium

    English PDF
    GB 29213-2012 National Food Safety Standard - Food Additive - potassium Nitrate
    食品安全国家标准 食品添加剂 硝酸钾
    China National Standards
    potassium

    English PDF
    GB 29203-2012 National Food Safety Standard - Food Additive - potassium Iodide
    食品安全国家标准 食品添加剂 碘化钾
    China National Standards
    potassium

    English PDF
    GB 28657-2012 potassium dichromate for industrial use
    工业重铬酸钾
    China National Standards
    potassium

    English PDF
    GB 28652-2012 High quality anhydrous potassium fluoride
    高品质无水氟化钾
    China National Standards
    potassium

    English PDF
    GB 28305-2012 National Food Safety Standard - Food Additive - potassium Lactate
    食品安全国家标准 食品添加剂 乳酸钾
    China National Standards
    potassium

    English PDF
    GB/T 27813-2011 Analytical methods of anhydrous potassium fluoride
    无水氟化钾分析方法
    China National Standards
    potassium

    English PDF
    GB/T 27752-2011 Validation of the strength of uranium reference solution, plutonium reference solution and potassium dichromate reference solution
    铀、钚和重铬酸钾标准溶液浓度的确认
    China National Standards
    potassium

    English PDF
    GB 27585-2011 potassium cyanide for industrial use
    工业氰化钾
    China National Standards
    potassium

    English PDF
    GB 1918-2011 potassium nitrate for industrial use
    工业硝酸钾
    China National Standards
    potassium

    English PDF
    GB 6549-2011 potassium chloride
    氯化钾
    China National Standards
    potassium

    English PDF
    GB/T 651-2011 Chemical reagent - potassium iodate
    化学试剂 碘酸钾
    China National Standards
    potassium

    English PDF
    GB/T 648-2011 Chemical reagent - potassium thiocyanate
    化学试剂 硫氰酸钾
    China National Standards
    potassium

    English PDF
    GB/T 647-2011 Chemical reagent - potassium nitrate
    化学试剂 硝酸钾
    China National Standards
    potassium

    English PDF
    GB/T 646-2011 Chemical reagent - potassium chloride
    化学试剂 氯化钾
    China National Standards
    potassium

    English PDF
    GB/T 645-2011 Chemical reagent - potassium chlorate
    化学试剂 氯酸钾
    China National Standards
    potassium

    English PDF
    GB/T 644-2011 Chemical reagent - potassium hexacyanoferrate(Ⅲ)
    化学试剂 六氰合铁(Ⅲ)酸钾(铁氰化钾)
    China National Standards
    potassium

    English PDF
    GB/T 641-2011 Chemical reagent - potassium peroxydisulfate
    化学试剂 过二硫酸钾(过硫酸钾)
    China National Standards
    potassium

    English PDF
    GB/T 26519.2-2011 Persulfate for industrial use - Part 2:potassium persulfate for industrial use
    工业过硫酸盐 第2部分:工业过硫酸钾
    China National Standards
    potassium

    English PDF
    GB/T 1288-2011 Chemical reagent - potassium sodium tartrate tetrahydrate
    化学试剂 四水合酒石酸钾钠(酒石酸钾钠)
    China National Standards
    potassium

    English PDF
    GB/T 1274-2011 Chemical reagent - potassium dihydrogen phosphate
    化学试剂 磷酸二氢钾
    China National Standards
    potassium

    English PDF
    GB/T 1271-2011 Chemical reagent - potassium fluoride dihydrate
    化学试剂 二水合氟化钾(氟化钾)
    China National Standards
    potassium

    English PDF
    GB 26402-2011 National Food Safety Standard-Food Additives-potassium iodate
    食品安全国家标准 食品添加剂 碘酸钾
    China National Standards
    potassium

    English PDF
    GB/T 26416.4-2010 Chemical analysis methods of dysprosium ferroalloy - Part 4 :Determination of iron content - The potassium dichromate titrimetry
    镝铁合金化学分析方法 第4部分:铁量的测定 重铬酸钾容量法
    China National Standards
    potassium

    English PDF
    GB/T 18114.7-2010 Chemical analysis methods of rare earth concentrates - Part 7:Determination of iron oxide content - potassium dichromate titration
    稀土精矿化学分析方法 第7部分:氧化铁量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB 25585-2010 National Food Safety Standard-Food Additives-potassium chloride
    食品安全国家标准 食品添加剂 氯化钾
    China National Standards
    potassium

    English PDF
    GB 25589-2010 National Food Safety Standard-Food Additives-potassium bicarbonate
    食品安全国家标准 食品添加剂 碳酸氢钾
    China National Standards
    potassium

    English PDF
    GB 25588-2010 National Food Safety Standard-Food Additives-potassium carbonate
    食品安全国家标准 食品添加剂 碳酸钾
    China National Standards
    potassium

    English PDF
    GB 25581-2010 National Food Safety Standard-Food Additives-potassium ferrocyanide
    食品安全国家标准 食品添加剂 亚铁氰化钾(黄血盐钾)
    China National Standards
    potassium

    English PDF
    GB 25540-2010 National Food Safety Standard-Food Additives-potassium acesulfame
    食品安全国家标准 食品添加剂 乙酰磺胺酸钾
    China National Standards
    potassium

    English PDF
    GB 25563-2010 National Food Safety Standard-Food Additives-Tripotassium phosphate
    食品安全国家标准 食品添加剂 磷酸三钾
    China National Standards
    potassium

    English PDF
    GB 25562-2010 National Food Safety Standard-Food Additives-Tetrapotassium pyrophosphate
    食品安全国家标准 食品添加剂 焦磷酸四钾
    China National Standards
    potassium

    English PDF
    GB 25575-2010 National Food Safety Standard-Food Additives-potassium hydroxide
    食品安全国家标准 食品添加剂 氢氧化钾
    China National Standards
    potassium

    English PDF
    GB 25561-2010 National Food Safety Standard-Food Additives-Dipotassium phosphate
    食品安全国家标准 食品添加剂 磷酸氢二钾
    China National Standards
    potassium

    English PDF
    GB 25560-2010 National Food Safety Standard-Food Additives-potassium dihydrogen phosphate
    食品安全国家标准 食品添加剂 磷酸二氢钾
    China National Standards
    potassium

    English PDF
    GB 25570-2010 National Food Safety Standard-Food Additives-potassium pyrosulfite
    食品安全国家标准 食品添加剂 焦亚硫酸钾
    China National Standards
    potassium

    English PDF
    GB 25556-2010 National Food Safety Standard-Food Additives-potassium hydrogen tartrate
    食品安全国家标准 食品添加剂 酒石酸氢钾
    China National Standards
    potassium

    English PDF
    GB/T 14506.11-2010 Methods for chemical analysis of silicate rocks - Part 11: Determination of potassium oxide and sodium oxide content
    硅酸盐岩石化学分析方法 第11部分:氧化钾和氧化钠量测定
    China National Standards
    potassium

    English PDF
    GB/T 8574-2010 Determination of potassium content for compound fertilizers potassium tetraphenylborate gravimetric method
    复混肥料中钾含量的测定 四苯硼酸钾重量法
    China National Standards
    potassium

    English PDF
    GB/T 17767.3-2010 Determination of organic-inorganic compound fertilizers - Part 3: Total potassium content
    有机-无机复混肥料的测定方法 第3部分:总钾含量
    China National Standards
    potassium

    English PDF
    GB 5413.21-2010 National Food Safety Standard-Determination of calcium, iron, zinc, sodium, potassium, magnesium, copper and manganese in infant foods and dairy products
    食品安全国家标准 婴幼儿食品和乳品中钙、铁、锌、钠、钾、镁、铜和锰的测定
    China National Standards
    potassium

    English PDF
    GB/T 24575-2009 Test method for measuring surface sodium,aluminum,potassium,and iron on silicon and epi substrates by secondary ion mass spectrometry
    硅和外延片表面Na、Al、K和Fe的二次离子质谱检测方法
    China National Standards
    potassium

    English PDF
    GB/T 6730.65-2009 Iron ores - Determination of total iron content - Titanium(III) chloride reduction potassium dichromate titration methods(routine methods)
    铁矿石 全铁含量的测定 三氯化钛还原重铬酸钾滴定法(常规方法)
    China National Standards
    potassium

    English PDF
    GB/T 24519-2009 Manganese ores - Determination of magnesium, aluminum, silicon, phosphorus, sulfur, potassium, calcium, titanium, manganese, iron, nickel, copper, zinc, barium and lead content - Wavelength dispersive X-ray fluorescence spectrometric method
    锰矿石 镁、铝、硅、磷、硫、钾、钙、钛、锰、铁、镍、铜、锌、钡和铅含量的测定 波长色散X射线荧光光谱法
    China National Standards
    potassium

    English PDF
    GB/T 8704.9-2009 Ferrovanadium - Determination of manganese content - The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method
    钒铁 锰含量的测定 高碘酸钾光度法和火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 24224-2009 Chromium ores - Determination of sulfur content - Combustion-neutralization titration method, combustion-potassium iodate titration method and combustion-infrared absorption method
    铬矿石 硫含量的测定 燃烧-中和滴定法、燃烧-碘酸钾滴定法和燃烧-红外线吸收法
    China National Standards
    potassium

    English PDF
    GB/T 24197-2009 Manganese ores - Determination of iron,silicon,aluminium,calcium,barium,magnesium,potassium,copper,nickel,zinc,phosphorus,cobalt,chromium,vanadium,arsenic,lead,titanium and vanadium - Inductively coupled plasma atomic emiss
    锰矿石 铁、硅、铝、钙、钡、镁、钾、铜、镍、锌、磷、钴、铬、钒、砷、铅和钛含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    potassium

    English PDF
    GB/T 12008.4-2009 Plastics - Polyether polyols - Part 4: Determination of sodium and potassium
    塑料 聚醚多元醇 第4部分:钠和钾的测定
    China National Standards
    potassium

    English PDF
    GB/T 23835.8-2009 Lithium perchlorate anhydrous - Part 8: Determination of potassium and sodium content
    无水高氯酸锂 第8部分:钾和钠含量的测定
    China National Standards
    potassium

    English PDF
    GB/T 23834.1-2009 Chemical analysis method for stannous sulfate - Part 1: Determination of stannous sulfate content - Volumetric method of potassium dichromate
    硫酸亚锡化学分析方法 第1部分:硫酸亚锡含量的测定 重铬酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 15454-2009 Industrial circulating cooling water - Determination of sodium,potassium, magnesium and calcium - Ion chromatography
    工业循环冷却水中钠、铵、钾、镁和钙离子的测定 离子色谱法
    China National Standards
    potassium

    English PDF
    GB/T 23765-2009 Test method of sodium cyanide and potassium cyanide products
    氰化钠和氰化钾产品测定方法
    China National Standards
    potassium

    English PDF
    GB/T 23513.1-2009 Chemical analysis methods for germanium concentrate - Part 1: Determination of germanium content - potassium iodate titration
    锗精矿化学分析方法 第1部分:锗量的测定 碘酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 23274.1-2009 Methods for chemical analysis of stannic oxide - Part 1: Determination of stannic oxide content - potassium iodate titrimetric method
    二氧化锡化学分析方法 第1部分:二氧化锡量的测定 碘酸钾滴定法
    China National Standards
    potassium

    English PDF
    GB/T 22923-2008 Determination of nitrogen phosphorus potassium for fertilizers by auto analyzer
    肥料中氮、磷、钾的自动分析仪测定法
    China National Standards
    potassium

    English PDF
    GB/T 17832-2008 Silver jewellery alloys - Determination of silver - Volumetric (potentionmetric) method using potassium bromide
    银合金首饰 银含量的测定 溴化钾容量法(电位滴定法)
    China National Standards
    potassium

    English PDF
    GB 6857-2008 pH primary reagent - potassium hydrogen phthalate
    pH 基准试剂 邻苯二甲酸氢钾
    China National Standards
    potassium

    English PDF
    GB 6853-2008 pH primary reagent - potassium dihydrogen phosphate
    pH 基准试剂 磷酸二氢钾
    China National Standards
    potassium

    English PDF
    GB/T 7118-2008 Industrial potassium chloride
    工业氯化钾
    China National Standards
    potassium

    English PDF
    GB/T 22786-2008 Determination of essential parameters of potassium perchlorate for use in fireworks and firecrackers
    烟花爆竹用高氯酸钾关键指标的测定
    China National Standards
    potassium

    English PDF
    GB/T 22783-2008 Determination of essential parameters of potassium nitrate for use in fireworks and firecrackers
    烟花爆竹用硝酸钾关键指标的测定
    China National Standards
    potassium

    English PDF
    GB/T 22668-2008 potassium fluotitanate
    氟钛酸钾
    China National Standards
    potassium

    English PDF
    GB/T 22667-2008 potassium fluoborade
    氟硼酸钾
    China National Standards
    potassium

    English PDF
    GB/T 22661.3-2008 Chemical analysis methods of potassium fluoborade - Part 3: Determination of potassium fluoborade content - Distillation-sodium hydrogen oxidizes titration volumetric method
    氟硼酸钾化学分析方法 第3部分:氟硼酸钾含量的测定 氢氧化钠容量法
    China National Standards
    potassium

    English PDF
    GB/T 22661.2-2008 Chemical analysis methods of potassium fluoborade - Part 2: Determination of moisture content - By gravimetric method
    氟硼酸钾化学分析方法 第2部分:湿存水含量的测定 重量法
    China National Standards
    potassium

    English PDF
    GB/T 22661.1-2008 Chemical analysis methods of potassium fluoborade - Part 1: preparation and storage of test samples
    氟硼酸钾化学分析方法 第1部分:试样的制备和贮存
    China National Standards
    potassium

    English PDF
    GB/T 22661.10-2008 Chemical analysis methods of potassium fluoborade - Part 10: Determination of phosphorus pentoxide content - Molybdenum blue photometric method
    氟硼酸钾化学分析方法 第10部分:五氧化二磷含量的测定 钼蓝分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 22662.9-2008 Chemical analysis methods of potassium fluotitanate - Part 9: Determination of phosphoruo content - Molybdenum blue photometric method
    氟钛酸钾化学分析方法 第9部分:五氧化二磷含量的测定 钼蓝分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 22662.8-2008 Chemical analysis methods of potassium fluotitanate - Part 8: Determination of chloride content - Distillation-mercury nitration volumetric method
    氟钛酸钾化学分析方法 第8部分:氯含量的测定 硝酸汞容量法
    China National Standards
    potassium

    English PDF
    GB/T 22662.7-2008 Chemical analysis methods of potassium fluotitanate - Part 7: Determiantion of lead content - Flame atomic absorption spectrometric method
    氟钛酸钾化学分析方法 第7部分:铅含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22662.6-2008 Chemical analysis methods of potassium fluotitanate - Part 6: Determination of iron - Flame atomic absorption spectrometric method
    氟钛酸钾化学分析方法 第6部分:铁含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22662.5-2008 Chemical analysis methods of potassium fluotitanate - Part 5: Determiantion of calcium content - Flame atomic absorption spectrometric method
    氟钛酸钾化学分析方法 第5部分:钙含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22662.4-2008 Chemical analysis methods of potassium fluotitanate - Part 4: Determination of silica content - By molybdenum blue photometric method
    氟钛酸钾化学分析方法 第4部分:硅含量的测定 钼蓝分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 22662.3-2008 Chemical analysis methods of potassium fluotitanate - Part 3: Determination of potassium fluotitanate content - By ammonium iron sulphate dodecahydrate titration volumetric method
    氟钛酸钾化学分析方法 第3部分:氟钛酸钾含量的测定 硫酸高铁铵容量法
    China National Standards
    potassium

    English PDF
    GB/T 22662.2-2008 Chemical analysis methods of potassium fluotitanate - Part 2: Determination of moisture content - By gravimetric method
    氟钛酸钾化学分析方法 第2部分:湿存水含量的测定 重量法
    China National Standards
    potassium

    English PDF
    GB/T 22662.1-2008 Chemical analysis methods of potassium fluotitanate - Part 1: Preparation and storage of test samples
    氟钛酸钾化学分析方法 第1部分:试样的制备和贮存
    China National Standards
    potassium

    English PDF
    GB/T 22661.9-2008 Chemical analysis methods of potassium fluoborade - Part 9: Determination of chloride content - Distillation mercury nitration volumetric method
    氟硼酸钾化学分析方法 第9部分:氯含量的测定 硝酸汞容量法
    China National Standards
    potassium

    English PDF
    GB/T 22661.8-2008 Chemical analysis methods of potassium fluoborade - Part 8: Determination of free borade content - Distillation-sodium hydrogen oxidizes titration volumetric method
    氟硼酸钾化学分析方法 第8部分:游离硼酸含量的测定 氢氧化钠容量法
    China National Standards
    potassium

    English PDF
    GB/T 22661.7-2008 Chemical analysis methods of potassium fluoborade - Part 7: Determiantion of sodium content - Flame atomic absorption spectrometric method
    氟硼酸钾化学分析方法 第7部分:钠含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22661.6-2008 Chemical analysis methods of potassium fluoborade - Part 6: Determination of silica content - Molybdenum blue photometric method
    氟硼酸钾化学分析方法 第6部分:硅含量的测定 钼蓝分光光度法
    China National Standards
    potassium

    English PDF
    GB/T 22661.5-2008 Chemical analysis methods of potassium fluoborade - Part 5: Determiantion of calcium content - Flame atomic absorption spectrometric method
    氟硼酸钾化学分析方法 第5部分:钙含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22661.4-2008 Chemical analysis methods of potassium fluoborade - Part 4: Determiantion of magnesium content - Flame atomic absorption spectrometric method
    氟硼酸钾化学分析方法 第4部分:镁含量的测定 火焰原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 22405-2008 Photography - Processing chemicals - Specifications for potassium bromide
    摄影 加工用化学品 溴化钾
    China National Standards
    potassium

    English PDF
    GB/T 22403-2008 Photography - Processing chemicals - Specifications for anhydrous potassium carbonate
    摄影 加工用化学品 无水碳酸钾
    China National Standards
    potassium

    English PDF
    GB/T 22398-2008 Photography - Processing chemicals - Specifications for potassium hydroxide
    摄影 加工用化学品 氢氧化钾
    China National Standards
    potassium

    English PDF
    GB 12594-2008 Working chemical - potassium bromate
    工作基准试剂 溴酸钾
    China National Standards
    potassium

    English PDF
    GB 1258-2008 Working chemical - potassium iodate
    工作基准试剂 碘酸钾
    China National Standards
    potassium

    English PDF
    GB 10736-2008 Working chemical - potassium chloride
    工作基准试剂 氯化钾
    China National Standards
    potassium

    English PDF
    GB 10732-2008 Primary chemical - potassium chloride
    第一基准试剂 氯化钾
    China National Standards
    potassium

    English PDF
    GB 10731-2008 Primary chemical - potassium dichromate
    第一基准试剂 重铬酸钾
    China National Standards
    potassium

    English PDF
    GB 10730-2008 Primary chemical - potassium hydrogen phthalate
    第一基准试剂 邻苯二甲酸氢钾
    China National Standards
    potassium

    English PDF
    GB/T 6150.2-2008 Methods for chemical analysis of tungsten concentrates - Determination of tin content - The potassium iodate volumetry and hydrogenate atomic absorption spectrometry
    钨精矿化学分析方法 锡量的测定 碘酸钾容量法和氢化物原子吸收光谱法
    China National Standards
    potassium

    English PDF
    GB/T 643-2008 Chemical reagent - potassium permanganate
    化学试剂 高锰酸钾
    China National Standards
    potassium

    English PDF
    GB/T 2306-2008 Chemical reagent - potassium hydroxide
    化学试剂 氢氧化钾
    China National Standards
    potassium

    English PDF
    GB/T 1291-2008 Chemical reagent - potassium hydrogen phthalate
    化学试剂 邻苯二甲酸氢钾
    China National Standards
    potassium

    English PDF
    GB/T 1273-2008 Chemical reagent - potassium hexacyanoferrate(Ⅱ)trihydrate
    化学试剂 三水合六氰铁(Ⅱ)酸钾(亚铁氰化钾)
    China National Standards
    potassium

    English PDF
    GB/T 2463-2008 Pyrites and concentrate - Determination of total iron content - Cerium sulfate volumetric and potassium dichromate volumetric methods
    硫铁矿和硫精矿中全铁含量的测定 硫酸铈容量法和重铬酸钾容量法
    China National Standards
    potassium

    English PDF
    GB/T 1608-2008 potassium permanganate for industrial use
    工业高锰酸钾
    China National Standards
    potassium

    English PDF
    GB/T 5686.2-2008 Ferromanganese,ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method ,silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimet
    锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝光度法、氟硅酸钾滴定法和高氯酸重量法
    China National Standards
    potassium

    English PDF

    Find out:264Items   |  To Page of: First -Previous-Next -Last  | 1 2

     

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2024 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards