Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 609-2018 |
Chemical reagents - General method for determination of total nitrogen {译} 化学试剂-总氮量测定通用方法 |
China National Standards nitro |
 English PDF |
| GB/T 43845-2024 |
Weak static magnetic field imaging measurement method based on scanning nitrogen-vacancy probe {译} 基于扫描氮-空位探针的微弱静磁场成像测量方法 |
China National Standards nitro |
English PDF |
| GB/T 43905.2-2024 |
Laboratory methods for sampling fumes and gases for welding and related processes - Part 2: Determination of emission rates of carbon monoxide, carbon dioxide, nitric oxide and nitrogen dioxide during arc welding, cutting and gouging {译} 焊接及相关工艺中烟尘和气体取样的实验室方法-第2部分：电弧焊、切割及气刨中一氧化碳、二氧化碳、一氧化氮、二氧化氮排放速率的测定 |
China National Standards nitro |
English PDF |
| GB/T 5121.8-2024 |
Chemical analysis methods for copper and copper alloys - Part 8: Determination of oxygen, nitrogen and hydrogen content {译} 铜及铜合金化学分析方法-第8部分：氧、氮、氢含量的测定 |
China National Standards nitro |
English PDF |
| GB/T 43676-2024 |
General technical requirements for water-cooled premixed low-nitrogen burners {译} 水冷预混低氮燃烧器通用技术要求 |
China National Standards nitro |
English PDF |
| GB 4234.9-2023 |
Surgical implants Metallic materials Part 9: Forged high nitrogen stainless steel {译} 外科植入物 金属材料 第9部分：锻造高氮不锈钢 |
China National Standards nitro |
English PDF |
| GB/T 43378-2023 |
nitrogen for aircraft {译} 飞机用氮气 |
China National Standards nitro |
English PDF |
| GB/T 42513.5-2023 |
Methods for chemical analysis of nickel alloys Part 5: Determination of vanadium content nitrous oxide-flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry {译} 镍合金化学分析方法 第5部分：钒含量测定 一氧化二氮-火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 |
China National Standards nitro |
English PDF |
| GB/T 42513.4-2023 |
Methods for chemical analysis of nickel alloys Part 4: Determination of silicon content nitrous oxide-flame atomic absorption spectrometry and molybdenum blue spectrophotometry {译} 镍合金化学分析方法 第4部分：硅含量的测定 一氧化二氮-火焰原子吸收光谱法和钼蓝分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 42513.3-2023 |
Methods for chemical analysis of nickel alloys Part 3: Determination of aluminum content nitrous oxide-flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry {译} 镍合金化学分析方法 第3部分：铝含量的测定 一氧化二氮-火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 |
China National Standards nitro |
English PDF |
| GB/T 43304-2023 |
nitrogen oxide blue-green powder for white light LED {译} 白光LED用氮氧化物蓝绿粉 |
China National Standards nitro |
English PDF |
| GB/T 20914.5-2023 |
Dies nitrogen gas springs Part 5: Safety regulations for nitrogen springs {译} 冲模 氮气弹簧 第5部分：氮气弹簧安全规范 |
China National Standards nitro |
English PDF |
| GB 5009.26-2023 |
National food safety standards Determination of N-nitrosamine compounds in food {译} 食品安全国家标准 食品中N-亚硝胺类化合物的测定 |
China National Standards nitro |
English PDF |
| GB 1886.350-2021 |
National Food Safety Standards Food Additives nitrous Oxide {译} 食品安全国家标准 食品添加剂 氧化亚氮 |
China National Standards nitro |
English PDF |
| GB/T 43241-2023 |
Forensic Science nitrous Oxide Testing Gas Chromatography-Mass Spectrometry {译} 法庭科学 一氧化二氮检验 气相色谱-质谱法 |
China National Standards nitro |
English PDF |
| GB/T 6609.35-2023 |
Methods for chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area nitrogen adsorption method {译} 氧化铝化学分析方法和物理性能测定方法 第35部分：比表面积的测定 氮吸附法 |
China National Standards nitro |
English PDF |
| GB/T 42668-2023 |
Samarium iron nitrogen bonded permanent magnet powder {译} 钐铁氮粘结永磁粉 |
China National Standards nitro |
English PDF |
| GB/T 1653-2023 |
o-, p-nitrochlorobenzene {译} 邻、对硝基氯苯 |
China National Standards nitro |
English PDF |
| GB/T 42955-2023 |
Determination of total nitrogen content in fertilizers Dumas combustion method {译} 肥料中总氮含量的测定 杜马斯燃烧法 |
China National Standards nitro |
English PDF |
| GB/T 42490-2023 |
Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry {译} 土壤质量 土壤与生物样品中有机碳含量与碳同位素比值、全氮含量与氮同位素比值的测定 稳定同位素比值质谱法 |
China National Standards nitro |
English PDF |
| GB/T 42488-2023 |
Soil quality - Determination of 15N abundance of inorganic nitrogen in soil - Stable isotope ratio mass spectrometry {译} 土壤质量 土壤中无机态氮15N丰度的测定 稳定同位素比值质谱法 |
China National Standards nitro |
English PDF |
| GB/T 42485-2023 |
Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen KCl solution leaching manual analysis method {译} 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 |
China National Standards nitro |
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 nitro |
English PDF |
| GB/T 41413-2022 |
Determination of migration of N-nitrosamine and its precursors in toys high performance liquid chromatography tandem mass spectrometry {译} 玩具中N-亚硝胺及其前体物迁移量的测定 高效液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 41964-2022 |
Photography Washing Waste Liquid Determination of Ammonia nitrogen Content (Micro-diffusion Method) {译} 摄影 冲洗废液 氨态氮含量的测定 (微扩散法) |
China National Standards nitro |
English PDF |
| GB/T 41965-2022 |
Photography Flushing Waste Liquid Determination of Total Content of Ammonia nitrogen (Micro-diffusion Kjeldahl Nitrogen Method) {译} 摄影 冲洗废液 氨态氮总含量的测定 (微扩散凯氏氮法) |
China National Standards nitro |
English PDF |
| GB/T 42263-2022 |
Determination of nitrogen content in silicon single crystals - Secondary ion mass spectrometry {译} 硅单晶中氮含量的测定 二次离子质谱法 |
China National Standards nitro |
English PDF |
| GB/T 41942-2022 |
Natural raw rubber and natural rubber latex - Determination of nitrogen content - Micro Dumas combustion method {译} 天然生胶和天然胶乳 氮含量的测定 微杜马斯燃烧法 |
China National Standards nitro |
English PDF |
| GB/T 41733-2022 |
Determination of carbon residue in organic heat carrier nitrogen filling method {译} 有机热载体残炭测定法 充氮法 |
China National Standards nitro |
English PDF |
| GB/T 40535.1-2021 |
Test methods of continuous nitride ceramic fibers—Part 1：nitrogen content 连续氮化物陶瓷纤维测试方法 第1部分：氮含量 |
China National Standards nitro |
English PDF |
| GB/T 40166-2021 |
Paper and board—Accelerated ageing(exposure to nitrogen dioxide) 纸和纸板 加速老化（二氧化氮条件下） |
China National Standards nitro |
English PDF |
| GB/T 39993-2021 |
Determination of permitted preservatives dimethyl oxazolidine, 7-ethylbicyclooxazolidine and 5-bromo-5-nitro-1,3-dioxane in cosmetics 化妆品中限用防腐剂二甲基噁唑烷、7-乙基双环噁唑烷和5-溴-5-硝基-1,3-二噁烷的测定 |
China National Standards nitro |
English PDF |
| GB/T 17674-2021 |
Determination of nitrogen in crude oil -- Boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 |
China National Standards nitro |
English PDF |
| GB/T 41153-2021 |
Determination of boron, aluminum and nitrogen impurity content in silicon carbide single crystal -- Secondary ion mass spectrometry 碳化硅单晶中硼、铝、氮杂质含量的测定? 二次离子质谱法 |
China National Standards nitro |
English PDF |
| GB/T 40723-2021 |
Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method 橡胶 总硫、总氮含量的测定 自动分析仪法 |
China National Standards nitro |
English PDF |
| GB/T 21287-2021 |
Electronic specialty gas—nitrogen trifluoride 电子特气 三氟化氮 |
China National Standards nitro |
English PDF |
| GB/T 12690.4-2021 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法 |
China National Standards nitro |
English PDF |
| GB/T 223.37-2020 |
Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation 钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法 |
China National Standards nitro |
English PDF |
| GB 7300.601-2020 |
Feed additives－Part 6：Non－protein nitrogen－Urea 饲料添加剂 第6部分：非蛋白氮 尿素 |
China National Standards nitro |
English PDF |
| GB/T 20567-2020 |
Vanadium-nitrogen 钒氮合金 |
China National Standards nitro |
English PDF |
| GB/T 39670-2020 |
Determination of nitrofuran metabolites in pet feeds—Liquid chromatography–tandem mass spectrometry 宠物饲料中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
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 nitro |
English PDF |
| GB/T 24583.8-2019 |
Vanadium-nitrogen—Determination of silicon, manganese, phosphorus, aluminum content—Inductively coupled plasma atomic emission 钒氮合金 硅、锰、磷、铝含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards nitro |
English PDF |
| GB/T 24583.7-2019 |
Vanadium-nitrogen—Determination of oxygen content—Infrared absorption method 钒氮合金 氧含量的测定 红外线吸收法 |
China National Standards nitro |
English PDF |
| GB/T 24583.5-2019 |
：Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method 钒氮合金 磷含量的测定 铋磷钼蓝分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 24583.4-2019 |
Vanadium-nitrogen—Determination of carbon content—Infrared absorption method 钒氮合金 碳含量的测定 红外线吸收法 |
China National Standards nitro |
English PDF |
| GB/T 24583.3-2019 |
Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method 钒氮合金 氮含量的测定 蒸馏-中和滴定法 |
China National Standards nitro |
English PDF |
| GB/T 24583.2-2019 |
Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas 钒氮合金 氮含量的测定 惰性气体熔融热导法 |
China National Standards nitro |
English PDF |
| GB/T 24583.1-2019 |
Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method 钒氮合金 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards nitro |
English PDF |
| GB/T 37644-2019 |
Determination of oxyquinoline and nitroxoline in cosmetics—High performance liquid chromatography 化妆品中8-羟基喹啉和硝羟喹啉的测定 高效液相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 37588-2019 |
Carbon materials—Determination of nitrogen content—Dumas combustion method 炭素材料 氮含量的测定 杜马斯燃烧法 |
China National Standards nitro |
English PDF |
| GB/T 37528-2019 |
General technical specification for biological filter for nitrogen removal 脱氮生物滤池通用技术规范 |
China National Standards nitro |
English PDF |
| GB/T 36895-2018 |
Water saving enterprises—nitrogenous fertilizer industry 节水型企业-氮肥行业 |
China National Standards nitro |
English PDF |
| GB/T 51332-2018 |
Technical standard for wastewater treatment facilities containing nitrobenzene compounds 含硝基苯类化合物废水处理设施工程技术标准 |
China National Standards nitro |
English PDF |
| GB/T 37186-2018 |
Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy 气体分析-二氧化硫和氮氧化物的测定-紫外差分吸收光谱分析法 |
China National Standards nitro |
English PDF |
| GB/T 609-2018 |
Chemical reagent—General method for the determination of total nitrogen 化学试剂 总氮量测定通用方法 |
China National Standards nitro |
English PDF |
| GB/T 36376-2018 |
Solar molten salt（nitro type） 太阳能熔盐（硝基型） |
China National Standards nitro |
English PDF |
| GB/T 36526-2018 |
Test methods of industrial nitrocellulose 工业用硝化纤维素测试方法 |
China National Standards nitro |
English PDF |
| GB/T 35956-2018 |
Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics—HPLC-MS-MS 化妆品中N-亚硝基二乙醇胺（NDELA）的测定 高效液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 15076.13-2017 |
Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method 钽铌化学分析方法 第13部分：氮量的测定 惰气熔融热导法 |
China National Standards nitro |
English PDF |
| GB/T 34532-2017 |
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method 焦化废水 氨氮含量的测定 甲醛法 |
China National Standards nitro |
English PDF |
| GB/T 14265-2017 |
General rule of chemical analysis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials 金属材料中氢、氧、氮、碳和硫分析方法通则 |
China National Standards nitro |
English PDF |
| GB/T 13747.8-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 8：Determination of cobalt content—nitroso-R-salt spectrophotometry 锆及锆合金化学分析方法 第8部分：钴量的测定 亚硝基R盐分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 13747.22-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 22：Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method 锆及锆合金化学分析方法 第22部分：氧量和氮量的测定 惰气熔融红外吸收法/热导法 |
China National Standards nitro |
English PDF |
| GB/T 19143-2017 |
Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics 岩石有机质中碳、氢、氧、氮元素分析方法 |
China National Standards nitro |
English PDF |
| GB/T 5687.4-2016 |
nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content—Determination of nitrogen content—The distillation-neutralization titration method 氮化铬铁和高氮铬铁 氮含量的测定 蒸馏-中和滴定法 |
China National Standards nitro |
English PDF |
| GB/T 35109-2017 |
Static test method of nitrogen and oxygen separation for molecular sieves 分子筛氮氧分离静态测定方法 |
China National Standards nitro |
English PDF |
| GB/T 34500.5-2017 |
Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content 稀土废渣、废水化学分析方法 第5部分：氨氮量的测定 |
China National Standards nitro |
English PDF |
| GB/T 35582-2017 |
Sulfur and nitrogen elemental analyzers 硫氮元素测定仪 |
China National Standards nitro |
English PDF |
| GB/T 23668-2016 |
2,6-Dichloro-4-nitroaniline 2,6-二氯-4-硝基苯胺 |
China National Standards nitro |
English PDF |
| GB/T 23669-2016 |
2,6-Dibromo-4-nitroaniline 2,6-二溴-4-硝基苯胺 |
China National Standards nitro |
English PDF |
| GB/T 4702.17-2016 |
Chromium metal─Determination of oxygen, nitrogen and hydrogen content─Inert gas fusion thermal infrared detection method and conductivity method 金属铬 氧、氮、氢含量的测定 惰性气体熔融红外吸收法和热导法 |
China National Standards nitro |
English PDF |
| GB/T 33344-2016 |
Determination of 2,4-dinitro-toluene in electrical and electronic products—Gas chromatography-mass spectrometry 电子电气产品中2,4-二硝基甲苯的测定 气相色谱-质谱法 |
China National Standards nitro |
English PDF |
| GB/T 4840-2016 |
nitroanilines 硝基苯胺类 |
China National Standards nitro |
English PDF |
| GB 5009.228-2016 |
National Food Safety Standard-Determination of volatile basic nitrogen in foods 食品安全国家标准 食品中挥发性盐基氮的测定 |
China National Standards nitro |
English PDF |
| GB 5009.235-2016 |
National Food Safety Standard - Determination of amino acid nitrogen in food 食品安全国家标准 食品中氨基酸态氮的测定 |
China National Standards nitro |
English PDF |
| GB/T 4702.7-2016 |
Chromium metal─Determination of nitrogen content─Distillation-nessler reagent spectrophotometric method 金属铬 氮含量的测定 蒸馏分离-奈斯勒试剂分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 32737-2016 |
Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method 土壤硝态氮的测定 紫外分光光度法 |
China National Standards nitro |
English PDF |
| GB 23200.69-2016 |
National food safety standards－Determination of dinitroaniline pesticides residue in foods - Liquid chromatography-mass spectrometry 食品安全国家标准 食品中二硝基苯胺类农药残留量的测定 液相色谱-质谱/质谱法 |
China National Standards nitro |
English PDF |
| GB 23200.27-2016 |
National food safety standards—Determination of 4, 6-dinitro-cresol residue in fruits Gas chromatography-mass spectrometry 食品安全国家标准 水果中4，6-二硝基邻甲酚残留量的测定 气相色谱-质谱法 |
China National Standards nitro |
English PDF |
| GB/T 51147-2015 |
Technical code for wastewater treatment facilities from nitroamine explosives 硝胺类废水处理设施技术规范 |
China National Standards nitro |
English PDF |
| GB/T 51146-2015 |
Technical code for wastewater treatment facilities from nitroglycerine production 硝化甘油生产废水处理设施技术规范 |
China National Standards nitro |
English PDF |
| GB 32071-2015 |
Gelatinous nitroglycerine explosive 胶质硝化甘油炸药 |
China National Standards nitro |
English PDF |
| GB/T 32141-2015 |
Determination of the total volatile basic nitrogen in feed 饲料中挥发性盐基氮的测定 |
China National Standards nitro |
English PDF |
| GB/T 32122-2015 |
Determination of 12-nitromidazoles in toothpaste—HPLC and HPLC-MS/MS 牙膏中12种硝基咪唑类药物的测定 高效液相色谱法及液相色谱串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 10722-2014 |
Carbon black—Determination of total and external surface area―nitrogen adsorption test method 炭黑 总表面积和外表面积的测定 氮吸附法 |
China National Standards nitro |
English PDF |
| GB/T 11039.4-2014 |
Textiles―Tests for colour fastness―Colour fastness to contaminants―Part 4: Oxides of nitrogen in the atmosphere at high humidities 纺织品 色牢度试验 耐大气污染物色牢度 第4部分：高湿氧化氮 |
China National Standards nitro |
English PDF |
| GB/T 30919-2014 |
Styrene-butadiene rubber, raw―Determination of N-nitrosamines content by gas chromatography―Thermo energy analyzer method 苯乙烯-丁二烯生橡胶 N-亚硝基胺化合物的测定 气相色谱-热能分析法 |
China National Standards nitro |
English PDF |
| GB/T 30917-2014 |
Determination of nitrosamines migrating from natrual rubber latex condoms 天然胶乳橡胶避孕套中可迁移亚硝胺的测定 |
China National Standards nitro |
English PDF |
| GB/T 2085.4-2014 |
Aluminum powder―Part 4: nitrogen atomized aluminum powder 铝粉 第4部分：氮气雾化铝粉 |
China National Standards nitro |
English PDF |
| GB/T 30733-2014 |
Determination of total carbon, hydrogen and nitrogen content in coal―Instrumental method 煤中碳氢氮的测定 仪器法 |
China National Standards nitro |
English PDF |
| GB/T 30728-2014 |
Determination of nitrogen in solid biofuels 固体生物质燃料中氮的测定方法 |
China National Standards nitro |
English PDF |
| GB/T 30503-2014 |
General specification for marine nitrogen gas generator 船用制氮装置通用技术条件 |
China National Standards nitro |
English PDF |
| GB/T 29877-2013 |
Test method for hazard classification of nitroglycerine 硝化甘油类物质危险特性分类方法 |
China National Standards nitro |
English PDF |
| GB/T 29677-2013 |
Determination of nitromethane in cosmetics - Gas chromatography-mass spectrometry 化妆品中硝甲烷的测定 气相色谱-质谱法 |
China National Standards nitro |
English PDF |
| GB/T 29669-2013 |
Determination of 10 volatile nitrosamines including N-Nitrosodimethylamine in cosmetics - Gas chromatography tandem mass spectrometry 化妆品中N-亚硝基二甲基胺等10种挥发性亚硝胺的测定 气相色谱-质谱/质谱法 |
China National Standards nitro |
English PDF |
| GB/T 1653-2013 |
o、p-Chloronitrobenzene 邻、对硝基氯苯 |
China National Standards nitro |
English PDF |
| GB/T 4325.23-2013 |
Methods for chemical analysis of molybdenum - Part 23: Determination of oxygen and nitrogen contents - Inert gas fusion-infrared absorption and thermal conductivity method 钼化学分析方法 第23部分：氧量和氮量的测定 惰气熔融红外吸收法-热导法 |
China National Standards nitro |
English PDF |
| GB/T 4324.26-2012 |
Methods for chemical analysis of tungsten - Part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry 钨化学分析方法 第26部分：氮量的测定 脉冲加热惰气熔融-热导法和奈氏试剂分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 5458-2012 |
Liquid nitrogen biological container 液氮生物容器 |
China National Standards nitro |
English PDF |
| GB/T 27894.6-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen helium oxygen nitrogen carbon dioxide and C1 to C8 hydrocarbons using three capillary columns 天然气 在一定不确定度下用气相色谱法测定组成 第6部分：用三根毛细管色谱柱测定氢、氦、氧、氮、二氧化碳和C1至C8的烃类 |
China National Standards nitro |
English PDF |
| GB/T 17674-2012 |
Determination of nitrogen in crude oil by boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 |
China National Standards nitro |
English PDF |
| GB/T 16774-2012 |
Autoboosting caliber liquid nitrogen container 自增压式液氮容器 |
China National Standards nitro |
English PDF |
| GB/T 14174-2012 |
Large caliber liquid nitrogen container 大口径液氮容器 |
China National Standards nitro |
English PDF |
| GB/T 28971-2012 |
Cigarettes - Determination of tobacco specific N-nitrosamines in sidestream smoke GC-TEA method 卷烟 侧流烟气中烟草特有N-亚硝胺的测定 气相色谱-热能分析仪法 |
China National Standards nitro |
English PDF |
| GB/T 10516-2012 |
Determination of average crushing strength for nitrophosphate 硝酸磷肥颗粒平均抗压碎力的测定 |
China National Standards nitro |
English PDF |
| GB/T 10515-2012 |
Determination of particle size for nitrophosphate 硝酸磷肥粒度的测定 |
China National Standards nitro |
English PDF |
| GB/T 10514-2012 |
Determination of free water for nitrophosphate - Oven method 硝酸磷肥中游离水含量的测定 烘箱法 |
China National Standards nitro |
English PDF |
| GB/T 10513-2012 |
Determination of free water for nitrophosphate - Karl fischer method 硝酸磷肥中游离水含量的测定 卡尔？费休法 |
China National Standards nitro |
English PDF |
| GB 29202-2012 |
National Food Safety Standard - Food Additive - nitrogen 食品安全国家标准 食品添加剂 氮气 |
China National Standards nitro |
English PDF |
| GB 11666.1-2012 |
Health protection zone for fertilizer industry - Part 1：nitrogen fertilizer industry 肥料制造业卫生防护距离 第1部分：氮肥制造业 |
China National Standards nitro |
English PDF |
| GB/T 27894.5-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 5: Determination of nitrogen,carbon dioxideand C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns 天然气 在一定不确定度下用气相色谱法测定组成 第5部分：实验室和在线工艺系统中用三根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类 |
China National Standards nitro |
English PDF |
| GB/T 27894.4-2012 |
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 4: Determination of nitrogen,carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns 天然气 在一定不确定度下用气相色谱法测定组成 第4部分：实验室和在线测量系统中用两根色谱柱测定氮、二氧化碳和C1至C5及C6+的烃类 |
China National Standards nitro |
English PDF |
| GB/T 28729-2012 |
nitrous oxide 氧化亚氮 |
China National Standards nitro |
English PDF |
| GB/T 28611-2012 |
o-nitrotoluene、 p-Nitrotoluene 邻、对硝基甲苯 |
China National Standards nitro |
English PDF |
| GB/T 27885-2011 |
Determination of hydrogen、nitrogen、carbon monoxide carbon dioxide and C1～C8 hydrocarbons in the coal-based F-T synthetic tail gas - Gas chromatographic method 煤基费托合成尾气中 H2、N2、CO2和C1～C8烃的测定 气相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 27884-2011 |
Determination of hydrogen、nitrogen、carbon monoxide carbon dioxide and methane in the coal-based F-T synthesis feed gas - Gas chromatographic method 煤基费托合成原料气中H2、N2、CO、CO2和CH4的测定 气相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 27854-2011 |
Chemicals - Soil microorganisms - nitrogen transformation test 化学品 土壤微生物 氮转化试验 |
China National Standards nitro |
English PDF |
| GB/T 27894.3-2011 |
Natrual gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen,helium,oxyen,nitrogen,carbon dioxide and hydrocarbons up to C8 using two packed columns 天然气 在一定不确定度下用气相色谱法测定组成 第3部分：用两根填充柱测定氢、氦、氧、氮、二氧化碳和直至C8的烃类 |
China National Standards nitro |
English PDF |
| GB/T 4698.7-2011 |
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of oxygen and nitrogen content 海绵钛、钛及钛合金化学分析方法 氧量、氮量的测定 |
China National Standards nitro |
English PDF |
| GB/T 26251-2010 |
Fluorine and mixed gases of fluorine-nitrogen 氟及氟氮混合气 |
China National Standards nitro |
English PDF |
| GB/T 25785-2010 |
2-Amino-4,6-dinitrophenol sodium（picramic acid sodium hydrate） 2-氨基-4,6-二硝基酚钠（苦氨酸钠） |
China National Standards nitro |
English PDF |
| GB/T 25784-2010 |
2,4,6 -Trinitrophenol（Picric acid） 2,4,6-三硝基苯酚（苦味酸） |
China National Standards nitro |
English PDF |
| GB/T 25780-2010 |
1-nitroanthraquinone 1-硝基蒽醌 |
China National Standards nitro |
English PDF |
| GB/T 25272-2010 |
Moisture - proof agents for nitrocellulose coatings 硝基涂料防潮剂 |
China National Standards nitro |
English PDF |
| GB/T 25271-2010 |
nitrocellulose coatings 硝基涂料 |
China National Standards nitro |
English PDF |
| GB/T 8572-2010 |
Determination of total nitrogen content for compound fertilizers titrimetric method after distillation 复混肥料中总氮含量的测定 蒸馏后滴定法 |
China National Standards nitro |
English PDF |
| GB 13649-2009 |
Fenitrothion technical 杀螟硫磷原药 |
China National Standards nitro |
English PDF |
| GB/T 24800.5-2009 |
Determination of nitrofurantoin and furazolidone in cosmetics by high performance liquid chromatography method 化妆品中呋喃妥因和呋喃唑酮的测定 高效液相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 24583.8-2009 |
Vanadium-nitrogen alloy - Determination of silicon, manganese, phosphorus, aluminum content - Inductively inductively coupled plasma atomic emission spectrometric method 钒氮合金 硅、锰、磷、铝含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards nitro |
English PDF |
| GB/T 24583.7-2009 |
Vanadium-nitrogen alloy - Determination of oxygen content - The infrared absorption method 钒氮合金 氧含量的测定 红外线吸收法 |
China National Standards nitro |
English PDF |
| GB/T 24583.6-2009 |
Vanadium-nitrogen alloy - Determination of sulfur content - The infrared absorption method 钒氮合金 硫含量的测定 红外线吸收法 |
China National Standards nitro |
English PDF |
| GB/T 24583.5-2009 |
Vanadium-nitrogen alloy - Determination of phosphorus content - The bismuth molybdenum blue spectrophotometry method 钒氮合金 磷含量的测定 铋磷钼蓝分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 24583.4-2009 |
Vanadium-nitrogen alloy - Determination carbon of content - The infrared absorption method 钒氮合金 碳含量的测定 红外线吸收法 |
China National Standards nitro |
English PDF |
| GB/T 24583.3-2009 |
Vanadium-nitrogen alloy - Determination of nitrogen content - The distillation-neutralization titration method 钒氮合金 氮含量的测定 蒸馏－中和滴定法 |
China National Standards nitro |
English PDF |
| GB/T 24583.2-2009 |
Vanadium-nitrogen alloy - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas 钒氮合金 氮含量的测定 惰性气体熔融热导法 |
China National Standards nitro |
English PDF |
| GB/T 24583.1-2009 |
Vanadium-nitrogen alloy - Determination of vanadium content - The ammonium ferrous sulfate titration method 钒氮合金 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards nitro |
English PDF |
| GB/T 14600-2009 |
Gas for electronic industry - nitrous oxide 电子工业用气体 氧化亚氮 |
China National Standards nitro |
English PDF |
| GB/T 10322.8-2009 |
Iron ores - Single-point determination of specific surface area - nitrogen adsorption method 铁矿石 比表面积的单点测定 氮吸附法 |
China National Standards nitro |
English PDF |
| GB/T 24318-2009 |
Determination of total nitrogen content in animal feeding stuffs by combustion according to the dumas principle and calculation of the crude protein content 杜马斯燃烧法测定饲料原料中总氮含量及粗蛋白质的计算 |
China National Standards nitro |
English PDF |
| GB/T 24153-2009 |
Rubber and elastomer materials - Determination of N-nitrosamines 橡胶及弹性体材料 N-亚硝基胺的测定 |
China National Standards nitro |
English PDF |
| GB/T 2910.15-2009 |
Textiles - Quantitative chemical analysis - Part 15: Mixtures of jute and certain animal fibres (method by determining nitrogen content) 纺织品 定量化学分析 第15部分：黄麻与某些动物纤维的混合物（含氮量法） |
China National Standards nitro |
English PDF |
| GB/T 23998-2009 |
Indoor decorating and refurbishing solvent-based nitrocellulose coatings for woodenware 室内装饰装修用溶剂型硝基木器涂料 |
China National Standards nitro |
English PDF |
| GB/T 23952-2009 |
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Distillation-acid-base titrations method 无机化工产品中总氮含量测定的通用方法 蒸馏-酸碱滴定法 |
China National Standards nitro |
English PDF |
| GB/T 23835.12-2009 |
Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content 无水高氯酸锂 第12部分：总氮含量测定 |
China National Standards nitro |
English PDF |
| GB/T 23772-2009 |
Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler’s reagent colorimetric method 无机化工产品中总氮含量测定的通用方法 蒸馏-纳氏试剂比色法 |
China National Standards nitro |
English PDF |
| GB 13650-2009 |
Fenitrothion emulsifiable concentrates 杀螟硫磷乳油 |
China National Standards nitro |
English PDF |
| GB/T 9335-2009 |
nitrobenzene 硝基苯 |
China National Standards nitro |
English PDF |
| GB/T 23669-2009 |
2,6-Dibromo-4-nitroaniline 2，6-二溴-4-硝基苯胺 |
China National Standards nitro |
English PDF |
| GB/T 23668-2009 |
2,6-Dichloro-4-nitroaniline 2，6-二氯-4-硝基苯胺 |
China National Standards nitro |
English PDF |
| GB/T 6609.35-2009 |
Chemical analysis methods and determination of physical performance of alumina - Part 35: Determination of specific surface area by nitrogen adsorption 氧化铝化学分析方法和物理性能测定方法 第35部分：比表面积的测定 氮吸附法 |
China National Standards nitro |
English PDF |
| GB/T 23410-2009 |
Determination of residues of nitroimidazoles and their metabolites in honey - LC-MS/MS method 蜂蜜中硝基咪唑类药物及其代谢物残留量的测定 液相色谱-质谱/质谱法 |
China National Standards nitro |
English PDF |
| GB/T 23407-2009 |
Determination of residues of nitroimidazoles and their metabolites in royal jelly - LC-MS/MS method 蜂王浆中硝基咪唑类药物及其代谢物残留量的测定 液相色谱-质谱/质谱法 |
China National Standards nitro |
English PDF |
| GB/T 23406-2009 |
Determination of residues of nitroimidazoles and their metabolites in casing - LC-MS/MS method 肠衣中硝基咪唑类药物及其代谢物残留量的测定 液相色谱-质谱/质谱法 |
China National Standards nitro |
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 nitro |
English PDF |
| GB/T 18412.5-2008 |
Textiles - Determination of the residues of pesticides - Part 5: Organic nitrogen pesticides 纺织品 农药残留量的测定 第5部分：有机氮农药 |
China National Standards nitro |
English PDF |
| GB/T 23228-2008 |
Cigarette - Determination of tobacco specific N-nitrosamines in total particulate matter of mainstream cigarette smoke - GC-TEA method 卷烟 主流烟气总粒相物中烟草特有N-亚硝胺的测定 气相色谱－热能分析联用法 |
China National Standards nitro |
English PDF |
| GB/T 22949-2008 |
Determination nitroimidazole residues in royal jelly and lyophilized royal jelly farina - LC-MS-MS method 蜂王浆及冻干粉中硝基咪唑类药物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 22987-2008 |
Determination for the residues of furaltadon, nitrofurazone, nitrofurantoin and furazolidone metabolites in milk and milk powder - LC-MS-MS method 牛奶和奶粉中呋喃它酮、呋喃西林、呋喃妥因和呋喃唑酮代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB 22573-2008 |
Maximum limits of chlorobenzene，1，2-dichlorobenzene，1，4-dichlorobenzene，nitrobenzene for irrigation water quality 灌溉水中氯苯、1，2-二氯苯、1，4-二氯苯、硝基苯限量 |
China National Standards nitro |
English PDF |
| GB/T 22560-2008 |
Gas nitrocarburizing of iron and steel parts 钢铁件的气体氮碳共渗 |
China National Standards nitro |
English PDF |
| GB/T 9823-2008 |
Inspection of grain and oils - Determination of total nitrogen content 粮油检验 植物油料饼粕总含氮量的测定 |
China National Standards nitro |
English PDF |
| GB/T 22427.10-2008 |
Starches and derived products - Determination of nitrogen content 淀粉及其衍生物氮含量测定 |
China National Standards nitro |
English PDF |
| GB/T 9695.11-2008 |
Meat and meat products - Determination of nitrogen content 肉与肉制品 氮含量测定 |
China National Standards nitro |
English PDF |
| GB/T 5511-2008 |
Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method 谷物和豆类 氮含量测定和粗蛋白质含量计算 凯氏法 |
China National Standards nitro |
English PDF |
| GB/T 19227-2008 |
Determination of nitrogen in coal 煤中氮的测定方法 |
China National Standards nitro |
English PDF |
| GB/T 21995-2008 |
Determination of nitroimidazoles in feeds - Liquid chromatography-tandem mass spectrometry method 饲料中硝基咪唑类药物的测定 液相色谱 串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 2441.1-2008 |
Determination of urea - Part 1：Total nitrogen content 尿素的测定方法 第1部分：总氮含量 |
China National Standards nitro |
English PDF |
| GB/T 17767.1-2008 |
Determination of organic-inorganic compound fertilizers - Part 1: Total nitrogen content 有机-无机复混肥料的测定方法 第1部分：总氮含量 |
China National Standards nitro |
English PDF |
| GB/T 10512-2008 |
Determination of phosphorus content for nitrophosphate - Quinoline phosphomolybdate gravimetric method 硝酸磷肥中磷含量的测定 磷钼酸喹啉重量法 |
China National Standards nitro |
English PDF |
| GB/T 10511-2008 |
Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation 硝酸磷肥中总氮含量的测定 蒸馏后滴定法 |
China National Standards nitro |
English PDF |
| GB/T 10209.1-2008 |
Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen content 磷酸一铵、磷酸二铵的测定方法 第1部分：总氮含量 |
China National Standards nitro |
English PDF |
| GB/T 8979-2008 |
Pure nitrogen and high purity nitrogen and ultra pure nitrogen 纯氮、高纯氮和超纯氮 |
China National Standards nitro |
English PDF |
| GB/T 8088-2008 |
Rubber,raw natural and rubber latex,natural - Determination of nitrogen content 天然生胶和天然胶乳 氮含量的测定 |
China National Standards nitro |
English PDF |
| GB/T 3864-2008 |
Industrial nitrogen 工业氮 |
China National Standards nitro |
English PDF |
| GB/T 21887-2008 |
2-Amino-4-nitrophenol 2-氨基-4-硝基苯酚 |
China National Standards nitro |
English PDF |
| GB/T 21886-2008 |
2,4-Dinitrophenol 2,4-二硝基苯酚 |
China National Standards nitro |
English PDF |
| GB/T 5686.7-2008 |
Ferromanganese, ferromanganese-silicon,, nitrogen-bearing ferromanganese and manganese metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization method 锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法 |
China National Standards nitro |
English PDF |
| GB/T 5686.5-2008 |
Ferromanganese, ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of carbon content - The infrared absorption method ,the gasometric method ,the gravimetric and the coulometric method 锰铁、锰硅合金、氮化锰铁和金属锰 碳含量的测定 红外线吸收法、气体容量法、重量法和库仑法 |
China National Standards nitro |
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 nitro |
English PDF |
| GB/T 5686.1-2008 |
Ferromanganese，ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 |
China National Standards nitro |
English PDF |
| GB/T 21704-2008 |
Determination of non-protein-nitrogen content in milk and dairy products 乳与乳制品中非蛋白氮含量的测定 |
China National Standards nitro |
English PDF |
| GB/T 13390-2008 |
Metallic powder-Determination of the specific surface area - Method of nitrogen adsorption 金属粉末比表面积的测定 氮吸附法 |
China National Standards nitro |
English PDF |
| GB/T 21287-2007 |
Gases for electronic industry - nitrogen trifluoride 电子工业用气体 三氟化氮 |
China National Standards nitro |
English PDF |
| GB/T 4840-2007 |
nitroanilines 硝基苯胺类 |
China National Standards nitro |
English PDF |
| GB/T 21167-2007 |
Determination of nitrofuran metabolites residues in royal jelly - LC-MS-MS method 蜂王浆中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 21166-2007 |
Determination of nitrofuran metabolites residues in casing - LC-MS-MS method 肠衣中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 21318-2007 |
Determination of nitroimidazoles residues in foodstuffs of animal origin 动物源性食品中硝基咪唑残留量检验方法 |
China National Standards nitro |
English PDF |
| GB/T 21311-2007 |
Determination of residues of nitrofuran metabolites in foodstuffs of animal origin HPLC-MS/MS method 动物源性食品中硝基呋喃类药物代谢物残留量检测方法 高效液相色谱/串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 4699.3-2007 |
Ferrochromium, silicochromium and nitrogen-bearing ferrochromium -Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method 铬铁、硅铬合金和氮化铬铁 磷含量的测定 铋磷钼蓝分光光度法和钼蓝分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 8654.1-2007 |
Manganese metal, ferromanganese - silicon, ferromanganese and nitrogen - bearing ferromanganese - Determination of iron content - The ortho - phenanthrdine spectrophotometric method and the titanium trichloride - potassium dichromate titrimetric method 金属锰、锰硅合金、锰铁和氮化锰铁 铁含量的测定 邻二氮杂菲分光光度法和三氯化钛 - 重铬酸钾滴定法 |
China National Standards nitro |
English PDF |
| GB/T 5687.2-2007 |
Ferrochromium , silicochromium and nitrogen - bearing ferrochromium - Determination of silicon content - The perchloric acid dehydration gravimetric method 铬铁、硅铬合金和氮化铬铁 硅含量的测定 高氯酸脱水重量法 |
China National Standards nitro |
English PDF |
| GB/T 10510-2007 |
nitrophosphate and potassium nitrophosphate 硝酸磷肥、硝酸磷钾肥 |
China National Standards nitro |
English PDF |
| GB/T 20931.9-2007 |
Methods for chemical analysis of lithium - Determination of nitrogen content - Mercuric potassium iodide spectrophotometric method 锂化学分析方法 氮量的测定 碘化汞钾分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 20752-2006 |
Method for the determination residues of the metabolites of nitrofuran in pork, beef, chicken, porcine liver and aquatic products - LC-MS-MS method 猪肉、牛肉、鸡肉、猪肝和水产品中硝基呋喃类代谢物残留量的测定 液相色谱-串联质谱法 |
China National Standards nitro |
English PDF |
| GB/T 609-2006 |
Chemical reagent - General method for the determination of total nitrogen 化学试剂 总氮量测定通用方法 |
China National Standards nitro |
English PDF |
| GB/T 20567-2006 |
Vanadium-nitrogen 钒氮合金 |
China National Standards nitro |
English PDF |
| GB/T 20124-2006 |
Steel and iron -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (Routine method) 钢铁 氮含量的测定 惰性气体熔融热导法（常规方法） |
China National Standards nitro |
English PDF |
| GB/T 11039.1-2005 |
Textiles-Tests for colour fastness-Colour fastness to Contaminants part1:nitrogen oxides 纺织品 色牢度试验 耐大气污染物色牢度 第1部分:氧化氮 |
China National Standards nitro |
English PDF |
| GB/T 18932.24-2005 |
Method for the determination of the metabolite residues of furaltadon,nitrofurazone,nitrofurantoin and furazolidone in honey-liquid chromatography-tandem mass spectrometry method 蜂蜜中呋喃它酮、呋喃西林、呋喃妥因和呋喃唑酮代谢物残留量的测定方法 液湘色谱--串联质谱法 |
China National Standards nitro |
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