Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12729.5-2020 |
Spices and condiments-Determination of extraneous matter content 香辛料和调味品 外来物含量的测定 |
China National Standards tent |
 English PDF |
| GB/T 20475.5-2020 |
Classification for content of harmful elements in coal--Part 5: Fluorine 煤中有害元素含量分级 第5部分：氟 |
China National Standards tent |
English PDF |
| GB/T 4698.10-2020 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium） 海绵钛、钛及钛合金化学分析方法 第10部分：铬量的测定 硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法（含钒） |
China National Standards tent |
English PDF |
| GB/T 38513-2020 |
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium,titanium,zirconium,tungsten,tantalum contents—Inductively coupled plasma atomic emission spectrometry 铌铪合金化学分析方法 铪、钛、锆、钨、钽等元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 38548.6-2020 |
Content resources digitization—Part 6:Model of application 内容资源数字化加工 第6部分：应用模式 |
China National Standards tent |
English PDF |
| GB/T 38548.5-2020 |
Content resources digitization—Part 5:Quality control 内容资源数字化加工 第5部分：质量控制 |
China National Standards tent |
English PDF |
| GB/T 38548.4-2020 |
Content resources digitization—Part 4:Metadata 内容资源数字化加工 第4部分：元数据 |
China National Standards tent |
English PDF |
| GB/T 38548.3-2020 |
Content resources digitization—Part 3:Processing specification 内容资源数字化加工 第3部分：加工规格 |
China National Standards tent |
English PDF |
| GB/T 38548.2-2020 |
Content resources digitization—Part 2:Method of acquisition 内容资源数字化加工 第2部分：采集方法 |
China National Standards tent |
English PDF |
| GB/T 38548.1-2020 |
Content resources digitization—Part 1:Terminology 内容资源数字化加工 第1部分：术语 |
China National Standards tent |
English PDF |
| GB/T 38371.1-2020 |
Specification of digital content object storage, reuse and exchange—Part 1: Object model 数字内容对象存储、复用与交换规范 第1部分：对象模型 |
China National Standards tent |
English PDF |
| GB/T 4702.18-2020 |
Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method 金属铬 钒含量的测定 钽试剂三氯甲烷萃取分光光度法 |
China National Standards tent |
English PDF |
| GB/T 39719-2020 |
Field and concentrated natural rubber latices—Determination of magnesium content—Cyanide-free titrimetric method 新鲜和浓缩天然胶乳 镁含量的测定 滴定法（无氰法） |
China National Standards tent |
English PDF |
| GB/T 39574-2020 |
Technical requirements for content decency of smart terminal 智能终端内容过滤技术要求 |
China National Standards tent |
English PDF |
| GB/T 39573-2020 |
Test method for content decency of smart terminal 智能终端内容过滤测试方法 |
China National Standards tent |
English PDF |
| GB/T 39701-2020 |
Limit and test method of ammonium ion content in fly ash 粉煤灰中铵离子含量的限量及检验方法 |
China National Standards tent |
English PDF |
| GB/T 39548-2020 |
Determination of retention rate on thermal resistance of vacuum insulation panels(VIP) in hygrothermal conditions 真空绝热板湿热条件下热阻保留率的测定 |
China National Standards tent |
English PDF |
| GB/T 39544-2020 |
Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method 浓缩天然胶乳 总磷酸盐含量的测定 分光光度法 |
China National Standards tent |
English PDF |
| GB/T 15076.7-2020 |
Part 7: Determination of phosphorus content in niobium 4-methyl-pentanone- [2] extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 15076.6-2020 |
Methods for chemical analysis of tantalum and niobium--Part 6: Determination of silicon content--Inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第6部分:硅量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 15076.4-2020 |
Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法 第4部分:铁量的测定 1，10—二氮杂菲分光光度法 |
China National Standards tent |
English PDF |
| GB/T 15076.11-2020 |
Methods for chemical analysis of tantalum and niobium--Part 11: Determination of arsenic, antimony, lead, tin and bismuth contents in niobium--Direct current arc atomic emission spectrometry 钽铌化学分析方法 第11部分:铌中砷、锑、铅、锡和铋量的测定 直流电弧原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 14849.3-2020 |
Methods for chemical analysis of silicon metal--Part 3: Determination of calcium content 工业硅化学分析方法 第3部分：钙含量的测定 |
China National Standards tent |
English PDF |
| GB/T 14849.1-2020 |
Methods for chemical analysis of silicon metal--Part 1: Determination of iron content 工业硅化学分析方法 第1部分：铁含量的测定 |
China National Standards tent |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 13747.3-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第3部分：镍量的测定 丁二酮肟分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 13747.27-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry 锆及锆合金化学分析方法 第27部分：痕量杂质元素的测定 电感耦合等离子体质谱法 |
China National Standards tent |
English PDF |
| GB/T 39229-2020 |
Fertilizers and soil conditioners—Determination of arsenic,cadmium,chromium,lead and mercury contents 肥料和土壤调理剂 砷、镉、铬、铅、汞含量的测定 |
China National Standards tent |
English PDF |
| GB/T 23349-2020 |
Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers 肥料中砷、镉、铬、铅、汞含量的测定 |
China National Standards tent |
English PDF |
| GB/T 19703-2020 |
In vitro diagnostic medical devices—Measurement of quantities in samples of biological origin—Requirements for certified reference materials and the content of supporting documentation 体外诊断医疗器械 生物源性样品中量的测量 有证参考物质及支持文件内容的要求 |
China National Standards tent |
English PDF |
| GB/T 39290-2020 |
Determination the content of the aromatic amines in adhesives 胶粘剂中芳香胺含量的测定 |
China National Standards tent |
English PDF |
| GB/T 39285-2020 |
Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography 钯化合物分析方法 氯含量的测定 离子色谱法 |
China National Standards tent |
English PDF |
| GB/T 37363.4-2020 |
Determination of biocides content of coating materials—Part 4: Determination of carbendazim content 涂料中生物杀伤剂含量的测定 第4部分：多菌灵含量的测定 |
China National Standards tent |
English PDF |
| GB/T 37363.3-2020 |
Determination of biocides content of coating materials—Part 3:Determination of triclosan content 涂料中生物杀伤剂含量的测定 第3部分：三氯生含量的测定 |
China National Standards tent |
English PDF |
| GB/T 20975.8-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 8：Determination of zinc content 铝及铝合金化学分析方法 第8部分：锌含量的测定 |
China National Standards tent |
English PDF |
| GB/T 20975.34-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第34部分：钠含量的测定 火焰原子吸收光谱法 |
China National Standards tent |
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 tent |
English PDF |
| GB/T 20975.32-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 32：Determination of bismuth content 铝及铝合金化学分析方法 第32部分：铋含量的测定 |
China National Standards tent |
English PDF |
| GB/T 20975.20-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 20：Determination of gallium content—Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分：镓含量的测定 丁基罗丹明B分光光度法 |
China National Standards tent |
English PDF |
| GB/T 20975.19-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 19：Determination of zirconium content 铝及铝合金化学分析方法 第19部分：锆含量的测定 |
China National Standards tent |
English PDF |
| GB/T 20975.15-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 15：Determination of boron content 铝及铝合金化学分析方法 第15部分：硼含量的测定 |
China National Standards tent |
English PDF |
| GB/T 20975.13-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 13：Determination of vanadium content 铝及铝合金化学分析方法 第13部分：钒含量的测定 |
China National Standards tent |
English PDF |
| GB/T 14635-2020 |
Rare earth metals and their compounds—Determination of total rare earth content 稀土金属及其化合物化学分析方法 稀土总量的测定 |
China National Standards tent |
English PDF |
| GB/T 3780.28-2020 |
Carbon black—Part 28: Determination the content of polycyclic aromatic hydrocarbons 炭黑 第28部分：多环芳烃含量的测定 |
China National Standards tent |
English PDF |
| GB/T 3653.7-2020 |
Ferroboron—Determination of sulfur content—Infrared absorption method 硼铁 硫含量的测定 红外线吸收法 |
China National Standards tent |
English PDF |
| GB 33372-2020 |
Limit of volatile organic compounds content in adhesive 胶粘剂挥发性有机化合物限量 |
China National Standards tent |
English PDF |
| GB 38508-2020 |
Limits for volatile organic compounds content in cleaning agents 清洗剂挥发性有机化合物含量限值 |
China National Standards tent |
English PDF |
| GB/T 3780.14-2019 |
Carbon black—Part 14：Determination of sulfur content 炭黑 第14部分：硫含量的测定 |
China National Standards tent |
English PDF |
| GB/T 38261-2019 |
Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry 纳米技术 生物样品中银含量测量 电感耦合等离子体质谱法 |
China National Standards tent |
English PDF |
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content 金矿石化学分析方法 第3部分：砷量的测定 |
China National Standards tent |
English PDF |
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards tent |
English PDF |
| GB/T 15000.4-2019 |
Directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则 第4部分：证书、标签和附带文件的内容 |
China National Standards tent |
English PDF |
| GB/T 14506.33-2019 |
Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry 硅酸盐岩石化学分析方法 第33部分：砷、锑、铋、汞量测定 氢化物发生-原子荧光光谱法 |
China National Standards tent |
English PDF |
| GB/T 38415-2019 |
Determination of tetrabromobisphenol A and hexabromocyclododecanes content in toys—High performance liquid chromatography-tandem mass spectrometry 玩具中四溴双酚A和六溴环十二烷含量的测定 高效液相色谱-串联质谱法 |
China National Standards tent |
English PDF |
| GB/T 38410-2019 |
Leather chemicals—Determination of tannin content in tanning agent—Filter method 皮革化学品 鞣剂中鞣质含量的测定 过滤法 |
China National Standards tent |
English PDF |
| GB/T 38409-2019 |
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content 皮革 化学试验 N-甲基吡咯烷酮（NMP）和N-乙基吡咯烷酮（NEP）的测定 |
China National Standards tent |
English PDF |
| GB/T 38407-2019 |
Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents 皮革和毛皮化学品 铬鞣剂中六价铬及还原性的测定 |
China National Standards tent |
English PDF |
| GB/T 38406-2019 |
Leather chemicals—Determination of tannin content in synthetic tanning agents 皮革化学品 合成鞣剂中鞣质含量的测定 |
China National Standards tent |
English PDF |
| GB/T 38403-2019 |
Leather and fur—Chemical tests—Determination of the preservative (TCMTB, PCMC, OPP, OIT) content:Liquid chromatography 皮革和毛皮 化学试验 防霉剂（TCMTB、PCMC、OPP、OIT）的测定：液相色谱法 |
China National Standards tent |
English PDF |
| GB/T 38402-2019 |
Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method 皮革和毛皮 化学试验 六价铬含量的测定：色谱法 |
China National Standards tent |
English PDF |
| GB/T 38401-2019 |
Leather and fur—Chemical tests—Determination of dimethyl formamide content 皮革和毛皮 化学试验 二甲基甲酰胺含量的测定 |
China National Standards tent |
English PDF |
| GB/T 38397-2019 |
Coal tar—Determination of component content—Gas chromatography-mass spectrometry and thermogravimetry 煤焦油 组分含量的测定 气相色谱-质谱联用和热重分析法 |
China National Standards tent |
English PDF |
| GB/T 38396-2019 |
Pitch products of coal carbonization—Determination of mesophase content—Microscopical analysis by reflected light 焦化沥青类产品 中间相含量的测定 光反射显微分析方法 |
China National Standards tent |
English PDF |
| GB/T 38395-2019 |
Coal tar—Determination of sulfur and nitrogen content 煤焦油 硫和氮含量的测定 |
China National Standards tent |
English PDF |
| GB/T 38394-2019 |
Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry 煤焦油 钠、钙、镁、铁含量的测定 电感耦合等离子体发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 38339-2019 |
Determination of phosphorus content in fluorescent brightener products 荧光增白剂产品中磷含量的测定 |
China National Standards tent |
English PDF |
| GB/T 19941.2-2019 |
Leather and fur—Determination of formaldehyde content—Part 2: Colorimetric method 皮革和毛皮 甲醛含量的测定 第2部分：分光光度法 |
China National Standards tent |
English PDF |
| GB/T 20899.1-2019 |
Methods for chemical analysis of gold ores—Part 1:Determination of gold content 金矿石化学分析方法 第1部分:金量的测定 |
China National Standards tent |
English PDF |
| GB/T 19941.3-2019 |
Leather and fur—Determination of formaldehyde content—Part 3: Formaldehyde emissions 皮革和毛皮 甲醛含量的测定 第3部分：甲醛释放量 |
China National Standards tent |
English PDF |
| GB/T 19941.1-2019 |
Leather and fur—Determination of formaldehyde content—Part 1: High performance liquid chromatography method 皮革和毛皮 甲醛含量的测定 第1部分：高效液相色谱法 |
China National Standards tent |
English PDF |
| GB/T 15076.2-2019 |
Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry 钽铌化学分析方法 第2部分:钽中铌量的测定 电感耦合等离子体原子发射光谱法和色层分离重量法 |
China National Standards tent |
English PDF |
| GB/T 15076.10-2019 |
Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry 钽铌化学分析方法 第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定 直流电弧原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 13747.7-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第7部分：锰量的测定 高碘酸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 tent |
English PDF |
| GB/T 13747.2-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第2部分：铁量的测定 1,10-二氮杂菲分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/T 13747.12-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry 锆及锆合金化学分析方法 第12部分：硅量的测定 钼蓝分光光度法 |
China National Standards tent |
English PDF |
| GB/T 8647.11-2019 |
Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled plasma mass spectrometry 镍化学分析方法 第11部分:镁、铝、锰、钴、铜、锌、镉、锡、锑、铅、铋含量的测定 电感耦合等离子体质谱法 |
China National Standards tent |
English PDF |
| GB/T 7739.3-2019 |
Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content 金精矿化学分析方法 第3部分：砷量的测定 |
China National Standards tent |
English PDF |
| GB/T 7739.2-2019 |
Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method 金精矿化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards tent |
English PDF |
| GB/T 7739.1-2019 |
Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents 金精矿化学分析方法 第1部分：金量和银量的测定 |
China National Standards tent |
English PDF |
| GB/T 38261-2019 |
Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry 纳米技术 生物样品中银含量测量 电感耦合等离子体质谱法 |
China National Standards tent |
English PDF |
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content 金矿石化学分析方法 第3部分：砷量的测定 |
China National Standards tent |
English PDF |
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards tent |
English PDF |
| GB/T 15000.4-2019 |
Directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation 标准样品工作导则 第4部分：证书、标签和附带文件的内容 |
China National Standards tent |
English PDF |
| GB/T 14506.33-2019 |
Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry 硅酸盐岩石化学分析方法 第33部分：砷、锑、铋、汞量测定 氢化物发生-原子荧光光谱法 |
China National Standards tent |
English PDF |
| GB/T 223.88-2019 |
Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards tent |
English PDF |
| GB/Z 37839-2019 |
Information model covering the contents of GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656 and GB/T 16901.3 包含GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656和GB/T 16901.3内容的信息模型 |
China National Standards tent |
English PDF |
| GB/T 37668-2019 |
Information technology—Internet content accessibility technical requirements and conformance testing 信息技术 互联网内容无障碍可访问性技术要求与测试方法 |
China National Standards tent |
English PDF |
| GB/T 25104-2019 |
Automatic measurement of water content in crude oil—RF method 原油水含量的自动测定 射频法 |
China National Standards tent |
English PDF |
| GB/T 18882.3-2019 |
Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content 离子型稀土矿混合稀土氧化物化学分析方法 第3部分：二氧化硅含量的测定 |
China National Standards tent |
English PDF |
| GB/T 12442-2019 |
Test method for the hydroxyl groups content of silica glass 石英玻璃中羟基含量检验方法 |
China National Standards tent |
English PDF |
| GB/T 8152.14-2019 |
Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法 第14部分：二氧化硅含量的测定 钼蓝分光光度法 |
China National Standards tent |
English PDF |
| GB/T 7739.14-2019 |
Methods for chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 金精矿化学分析方法 第14部分：铊量的测定 电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法 |
China National Standards tent |
English PDF |
| GB/T 6730.80-2019 |
Iron ores—Determination of mercury content—Cold atomic absorption spectrometric method 铁矿石 汞含量的测定 冷原子吸收光谱法 |
China National Standards tent |
English PDF |
| GB/T 6730.79-2019 |
Iron ores—Determination of cadmium content—Hydride generation-atomic fluorescence spectrometric method 铁矿石 镉含量的测定 氢化物发生-原子荧光光谱法 |
China National Standards tent |
English PDF |
| GB/T 6730.78-2019 |
Iron ores—Determination of cadmium content—Graphite furnace atomic absorption spectrophotometric method 铁矿石 镉含量的测定 石墨炉原子吸收光谱法 |
China National Standards tent |
English PDF |
| GB/T 6730.77-201 |
Iron ores—Determination of arsenic content—Hydride generation-atomic fluorescence spectrometric method 铁矿石 砷含量的测定 氢化物发生-原子荧光光谱法 |
China National Standards tent |
English PDF |
| GB/T 6730.56-2019 |
Iron ores—Determination of aluminum content—Flame atomic absorption spectrometric method 铁矿石 铝含量的测定 火焰原子吸收光谱法 |
China National Standards tent |
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 tent |
English PDF |
| GB/T 3781.5-2019 |
Acetylene black—Part 5:Determination of grit content 乙炔炭黑 第5部分：粗粒分的测定 |
China National Standards tent |
English PDF |
| GB/T 223.89-2019 |
Iron, steel and alloy—Determination of tellurium content—Hydride generation-atomic fluorescence spectrometric method 钢铁及合金 碲含量的测定 氢化物发生-原子荧光光谱法 |
China National Standards tent |
English PDF |
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