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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 13595-2004 |
Tobacco and tobacco products--Determination of pyrethroids，organophosphorus and nitrogen-containing pesticides residues 烟草及烟草制品 拟除虫菊酯杀虫剂、有机磷杀虫剂、含氮农药残留量的测定 |
China National Standards nitro |
 English PDF |
| GB/T 12690.4-2003 |
Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 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 5009.26-2003 |
Determination of N-nitrosamines in foods 食品中N-亚硝胺类的测定 |
China National Standards nitro |
English PDF |
| GB/T 5009.179-2003 |
Determination of trimethylamine nitrogen in ham 火腿中三甲胺氮的测定 |
China National Standards nitro |
English PDF |
| GB/T 3597-2002 |
Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method 肥料中硝态氮含量的测定 氮试剂重量法 |
China National Standards nitro |
English PDF |
| GB 18559-2001 |
Occupational exposure limit for trinitrotoluene in the air of workplace 车间空气中三硝基甲苯职业接触限值 |
China National Standards nitro |
English PDF |
| GB/T 3600-2000 |
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method 肥料中氨态氮含量的测定 甲醛法 |
China National Standards nitro |
English PDF |
| GB/T 3595-2000 |
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation 肥料中氨态氮含量的测定 蒸馏后滴定法 |
China National Standards nitro |
English PDF |
| GB 12437-2000 |
Industrial powdery explosives contained ammonium nitrate and trinitrotoluene 工业粉状铵梯炸药 |
China National Standards nitro |
English PDF |
| GB/T 17871-1999 |
Decompression procedures for nitrox or air saturation-air excursion diving 氮氧饱和或空气饱和-空气巡回潜水减压程序 |
China National Standards nitro |
English PDF |
| GB/T 17096-1997 |
Hygienic standard for nitrogen oxides in indoor air 室内空气中氮氧化物卫生标准 |
China National Standards nitro |
English PDF |
| GB/T 17078-1997 |
Workplace air--Determination of trinitrophenol--Liquid chromatographic method 车间空气中三硝基苯酚的高效液相色谱测定方法 |
China National Standards nitro |
English PDF |
| GB/T 17072-1997 |
Workplace air--Determination of p-nitroaniline--Solvent desorption gas chromatographic method 车间空气中对硝基苯胺的溶剂解吸气相色谱测定方法 |
China National Standards nitro |
English PDF |
| GB 3231-1996 |
Diagnostic criteria and principles of management of occupational chronic trinitrotoluene poisoning 职业性慢性三硝基甲苯中毒诊断标准及处理原则 |
China National Standards nitro |
English PDF |
| GB 16242-1996 |
Health standard for p-nitroaniline in the air of workplace 车间空气中对硝基苯胺卫生标准 |
China National Standards nitro |
English PDF |
| GB 16212-1996 |
Health standard for nitroglycerine in the air of workplace 车间空气中硝化甘油卫生标准 |
China National Standards nitro |
English PDF |
| GB/T 16115-1995 |
Workplace air--Determination of chlorodinitrobenzene--N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method 车间空气中二硝基氯苯的盐酸萘乙二胺分光光度测定方法 |
China National Standards nitro |
English PDF |
| GB/T 16114-1995 |
Workplace air--Determination of chloronitrobenzene--N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method 车间空气中一硝基氯苯的盐酸萘乙二胺分光光度测定方法 |
China National Standards nitro |
English PDF |
| GB/T 16113-1995 |
Workplace air--Determination of2，4，6-trinitrotoluene--Gas chroma tographic method 车间空气中三硝基甲苯的气相色谱测定方法 |
China National Standards nitro |
English PDF |
| GB/T 16112-1995 |
Workplace air--Determination of dinitrobenzene--Gas chromatographic method 车间空气中二硝基苯的气相色谱测定方法 |
China National Standards nitro |
English PDF |
| GB/T 16102-1995 |
Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method 车间空气中硝基苯的盐酸萘乙二胺分光光度测定方法 |
China National Standards nitro |
English PDF |
| GB/T 16032-1995 |
Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method 车间空气中氧化氮的盐酸萘乙二胺分光光度测定方法 |
China National Standards nitro |
English PDF |
| GB/T 15501-1995 |
Air quality--Determination of nitrobenzene(mononitro and dinitro-compound)--Reduction by zinc-N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method 空气质量 硝基苯类 (一硝基和二硝基化合物)的测定 锌还原-盐酸萘乙二胺分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 15436-1995 |
Ambient air--Determination of nitrogen oxides--Saltzman method 环境空气 氮氧化物的测定 Saltzman法 |
China National Standards nitro |
English PDF |
| GB/T 15435-1995 |
Ambient air--Determination of nitrogen dioxide--Saltzman method 环境空气 二氧化氮的测定 Saltzman法 |
China National Standards nitro |
English PDF |
| GB/T 223.36-1994 |
Methods for chemical analysis of iron，steel and alloy--The neutral titration method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-中和滴定法测定氮量 |
China National Standards nitro |
English PDF |
| GB/T 15076.13-1994 |
Methods for chemical analysis of tantalum and niob-ium--Determination of nitrogen content in tantalum 钽铌化学分析方法 钽中氮量的测定 |
China National Standards nitro |
English PDF |
| GB/T 223.22-1994 |
Methods for chemical analysis of iron，steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content 钢铁及合金化学分析方法 亚硝基R 盐分光光度法测定钴量 |
China National Standards nitro |
English PDF |
| GB/T 14265-1993 |
General rule of chemical analysis for hydrogen，oxygen，nitrogen，carbon and sulfur in metal’s 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 13906-1992 |
Air quality--Determination of nitrogen oxides 空气质量 氮氧化物的测定 |
China National Standards nitro |
English PDF |
| GB/T 13902-1992 |
Water quality--Determination of nitroglycerine--Oscillopolarography 水质 硝化甘油的测定 示波极谱法 |
China National Standards nitro |
English PDF |
| GB/T 13901-1992 |
Water quality--Determination of dinitrotoluene--Oscillopolarography 水质 二硝基甲苯的测定 示波极谱法 |
China National Standards nitro |
English PDF |
| GB/T 13747.8-1992 |
Zirconium and zirconium alloys--Determination of cobalt content--1-nitroso-2-hydroxy-3，6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method 锆及锆合金化学分析方法 亚硝基R盐分光光度法测定钴量 |
China National Standards nitro |
English PDF |
| GB/T 13747.23-1992 |
Zirconium and zirconium alloys--Determination of nitrogen content--Distillation-Nessler reagent spectrophotometric method 锆及锆合金化学分析方法 蒸馏分离-奈斯勒试剂分光光度法测定氮量 |
China National Standards nitro |
English PDF |
| GB/T 13194-1991 |
Water quality--Determination of nitrobenzene， mononi-trotoluene (MNT)， nitrochlorobenzene and oinitrotoluene (ONT)--Gas chromatography 水质 硝基苯、硝基甲苯、硝基氯苯、二硝基甲苯的测定 气相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 12438-1990 |
Test method for industrial powdery explosivescontained ammonium nitrate and trinitrotoluene 工业粉状铵梯炸药试验方法 |
China National Standards nitro |
English PDF |
| GB/T 12372-1990 |
Standard method for examination of nitrogen dioxide in air of residential areas--Modified Saltzman method 居住区大气中二氧化氮检验标准方法 改进的 Saltzman 法 |
China National Standards nitro |
English PDF |
| GB/T 11894-1989 |
Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photo metric method 水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 11891-1989 |
Water quality--Determination of Kjeldahl nitrogen 水质 凯氏氮的测定 |
China National Standards nitro |
English PDF |
| GB/T 11843-1989 |
Uranium dioxide powder and pellets--Determination of nitrogen--Spectrophotometric method 二氧化铀粉末和芯块中氮的测定 分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 11939-1989 |
Standard method for hygienic examination of dinitrobenzene and nitrochlorobenzene in drinking water sources--Gas chromato-graphy 水源水中二硝基苯类和硝基氯苯类卫生检验标准方法 气相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 11731-1989 |
Standard method for hygienic examination of nitrobenzene in air of residential areas--Gas chromato-graphy 居住区大气中硝基苯卫生检验标准方法 气相色谱法 |
China National Standards nitro |
English PDF |
| GB/T 223.37-1989 |
Methods for chemical analysis of iron，steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-靛酚蓝光度法测定氮量 |
China National Standards nitro |
English PDF |
| GB 11512-1989 |
Diagnostic criteria and principles of management of occupational trinitrotoluene cataract 职业性三硝基甲苯白内障诊断标准及处理原则 |
China National Standards nitro |
English PDF |
| GB/T 10267.5-1988 |
Method for analysis of calcium metal--The determination of nitrogen by distillation--Nessler reagent photometric method 金属钙分析方法 蒸馏-奈斯勒试剂光度法测定氮 |
China National Standards nitro |
English PDF |
| GB/T 9170-1988 |
Lubricating oils and fueloils--Determination of total nitrogen--Modified Kjeldahl method 润滑油及燃料油中总氮含量测定法(改进的克氏法) |
China National Standards nitro |
English PDF |
| GB/T 8969-1988 |
Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method 空气质量 氮氧化物的测定 盐酸萘乙二胺比色法 |
China National Standards nitro |
English PDF |
| GB 8788-1988 |
Diagnostic criteria and principles of management of occupational acute aromatic amino-and nitrocompounds (excluding TNT) poisoning 职业性急性苯的氨基、硝基化合物(三硝基甲苯除外)中毒诊断标准及处理原则 |
China National Standards nitro |
English PDF |
| GB 7801-1987 |
Diagnostic criteria and principles of management of occupational acute nitrogen oxides 职业性急性氮氧化物中毒诊断标准及处理原则 |
China National Standards nitro |
English PDF |
| GB/T 7493-1987 |
Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method 水质 亚硝酸盐氮的测定 分光光度法 |
China National Standards nitro |
English PDF |
| GB/T 5687.4-1985 |
Methods for chemical analysis of ferrochromium--The neutralization titration method for the determination of nitrogen content 铬铁化学分析方法 中和滴定法测定氮量 |
China National Standards nitro |
English PDF |
| GB/T 4921-1985 |
Waste gasfrom manufacturing process--Determination of chemical oxygendemand and nitrogenoxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method 工业废气 耗氧值和氧化氮的测定 重铬酸钾氧化、萘乙二胺比色法 |
China National Standards nitro |
English PDF |
| GB/T 4919-1985 |
Waste water from manufacturing process--Determination of total nitro compounds--Gas chromato-graphic method 工业废水 总硝基化合物的测定 气相色谱法 |
China National Standards nitro |
English PDF |
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