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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HB 8545-2018 |
Specifications for onboard nitrogen generating units for civil aircraft {译} 民用飞机机载制氮装置规范 |
China Aviation Industry
Standards nitrogen |
 English PDF |
| YB/T 6110-2023 |
Chromium-manganese-nickel-nitrogen austenitic stainless steel hot-rolled steel plates and strips {译} 铬-锰-镍-氮系奥氏体不锈钢热轧钢板和钢带 |
China Metallurgy Industry
Standards nitrogen |
English PDF |
| YB/T 6109-2023 |
Chromium-manganese-nickel-nitrogen austenitic stainless steel cold-rolled steel plates and strips {译} 铬-锰-镍-氮系奥氏体不锈钢冷轧钢板和钢带 |
China Metallurgy Industry
Standards nitrogen |
English PDF |
| SC/T 9444-2023 |
Determination of ammonia nitrogen in aquaculture water - gas phase molecular absorption spectrometry {译} 水产养殖水体中氨氮的测定 气相分子吸收光谱法 |
China Aquaculture Industry
Standards nitrogen |
English PDF |
| YY 0605.9—2015 |
Surgical implants - Metallic materials - Part 9: Wrought 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 Pharmaceutics Industry
Standards nitrogen |
English PDF |
| YS/T 1563.6-2022 |
Molybdenum-rhenium alloy chemical analysis methods - Part 6: Determination of oxygen and nitrogen content - Inert gas fusion - infrared absorption method and thermal conductivity method {译} 钼铼合金化学分析方法 第6部分：氧和氮含量的测定 惰性气体熔融-红外吸收法和热导法 |
China Non-ferrous Metal Industry
Standards nitrogen |
English PDF |
| YS/T 1075.11-2022 |
Methods for chemical analysis of vanadium-aluminum and molybdenum-aluminum master alloys—Part 11: Determination of nitrogen content—Inert gas fusion thermal conductivity method {译} 钒铝、钼铝中间合金化学分析方法 第11部分：氮含量的测定 惰性气体熔融热导法 |
China Non-ferrous Metal Industry
Standards nitrogen |
English PDF |
| YS/T 1525-2022 |
Nickel-platinum alloy chemical analysis method Determination of oxygen and nitrogen content Pulse-infrared absorption method and thermal conductivity detection method {译} 镍铂合金化学分析方法 氧和氮含量测定 脉冲-红外吸收法和热导检测法 |
China Non-ferrous Metal Industry
Standards nitrogen |
English PDF |
| HJ 1277-2023 |
Technical Specifications for nitrogen Fertilizer Industrial Wastewater Treatment Engineering {译} 氮肥工业废水治理工程技术规范 |
China Environment Industry
Standards nitrogen |
English PDF |
| HG/T 6105-2022 |
Moisture absorption (moisture) test method of flame retardant chemicals phosphorus nitrogen flame retardant chemicals {译} 阻燃化学品磷氮系阻燃化学品的吸湿（潮）性测试方法 |
China Chemistry Industry
Standards nitrogen |
English PDF |
| HG/T 5895-2022 |
Industrial mixed gas Silane/nitrogen {译} 工业用混合气体 硅烷/氮气 |
China Chemistry Industry
Standards nitrogen |
English PDF |
| LS/T 1225—2022 |
Technical Regulations for nitrogen Modified Atmosphere Storage of Grain {译} 氮气气调储粮技术规程 |
China Cereal Industry
Standards nitrogen |
English PDF |
| NY/T 4163.3-2022 |
Technical Guidelines for Comprehensive Prevention and Control of nitrogen and Phosphorus Loss in Paddy Fields Part 3: Rotation of Water and Water {译} 稻田氮磷流失综合防控技术指南 第3部分：水旱轮作 |
China Agriculture Industry
Standards nitrogen |
English PDF |
| NY/T 4163.2-2022 |
Technical Guidelines for Comprehensive Prevention and Control of nitrogen and Phosphorus Loss in Paddy Fields Part 2: Double Cropping Rice {译} 稻田氮磷流失综合防控技术指南 第2部分：双季稻 |
China Agriculture Industry
Standards nitrogen |
English PDF |
| NY/T 4163.1-2022 |
Comprehensive Technical Guidelines for the Prevention and Control of nitrogen and Phosphorus Loss in Paddy Fields Part 1: Northern Single-cropping Rice {译} 稻田氮磷流失综合防控技术指南 第1部分：北方单季稻 |
China Agriculture Industry
Standards nitrogen |
English PDF |
| NY/T 4162.2-2022 |
Technical Specifications for the Prevention and Control of nitrogen and Phosphorus Loss in Paddy Fields Part 2: Controlling Sources and Increasing Sinks {译} 稻田氮磷流失防控技术规范 第2部分：控源增汇 |
China Agriculture Industry
Standards nitrogen |
English PDF |
| NY/T 4162.1-2022 |
Technical Specifications for Prevention and Control of nitrogen and Phosphorus Loss in Paddy Fields Part 1: Water Control and Emission Reduction {译} 稻田氮磷流失防控技术规范 第1部分：控水减排 |
China Agriculture Industry
Standards nitrogen |
English PDF |
| YS/T 1513-2021 |
Technical specification for treatment of nitrogen oxides in flue gas from lead and zinc smelting{译} {译} 铅锌冶炼烟气氮氧化物处理技术规范 |
China Non-ferrous Metal Industry
Standards nitrogen |
English PDF |
| YB/T 4908.6-2021 |
Vanadium aluminum alloys - Determination of oxygen and nitrogen content - Inert gas fusion infrared absorption method and thermal conductivity method {译} 钒铝合金 氧、氮含量的测定 惰性气体熔融红外吸收法和热导法 |
China Metallurgy Industry
Standards nitrogen |
English PDF |
| YS/T 1467.10-2021 |
Methods for chemical analysis of hafnium - Part 10: Determination of oxygen and nitrogen content{译} {译} 铪化学分析方法 第10部分：氧量、氮量的测定 |
China Non-ferrous Metal Industry
Standards nitrogen |
English PDF |
| SN/T 4675.32-2021 |
Determination method of nitrogen stable isotope ratio in export wine{译} {译} 出口葡萄酒中氮稳定同位素比值测定方法 |
China Import&Export Inspection Industry
Standards nitrogen |
English PDF |
| SN/T 1037-2020 |
Lime nitrogen inspection method for import and export {译} 进出口石灰氮检验方法 |
China Import&Export Inspection Industry
Standards nitrogen |
English PDF |
| HJ 1132-2020 |
Stationary pollution source waste gas - Determination of nitrogen oxides - Portable UV absorption method {译} 固定污染源废气 氮氧化物的测定 便携式紫外吸收法 |
China Environment Industry
Standards nitrogen |
English PDF |
| SY/T 7474-2020 |
Design specification for air nitrogen station in oil and gas fields {译} 油气田空氮站设计规范 |
China Oil & Gas Industry
Standards nitrogen |
English PDF |
| HJ 101-2019 |
Technical requirements and detection methods of online automatic monitoring instrument for ammonia nitrogen water quality {译} 氨氮水质在线自动监测仪技术要求及检测方法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ 1045-2019 |
Technical requirements and detection methods for portable ultraviolet absorption method measuring instruments for stationary pollution source flue gas (sulfur dioxide and nitrogen oxides) {译} 固定污染源烟气（二氧化硫和氮氧化物）便携式紫外吸收法测量仪器技术要求及检测方法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ 1043-2019 |
Ambient air - Automated determination of nitrogen oxides - Chemiluminescence {译} 环境空气 氮氧化物的自动测定 化学发光法 |
China Environment Industry
Standards nitrogen |
English PDF |
| SY/T 7303-2016 |
(Technical specification for low temperature nitrogen test of liquefied natural gas pipeline) 液化天然气管道低温氮气试验技术规程 |
China Oil & Gas Industry
Standards nitrogen |
English PDF |
| QB/T 5015-2016 |
(DETERMINATION OF α - AMINO nitrogen IN BEETS) 甜菜中α-氨基氮的测定 |
China Light Industry
Standards nitrogen |
English PDF |
| SY/T 7087-2016 |
Petroleum and natural gas infustries. Drilling and production equipment. Liquid nitrogen pumping equipment 石油天然气工业 钻井和采油设备液氮泵送设备 |
China Oil & Gas Industry
Standards nitrogen |
English PDF |
| SN/T 0840-2015 |
(Determination of the import and export of urea nitrogen content) 进出口尿素中氮含量的测定 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| JC/T 2313-2015 |
nitrogen leakage test machine for nonmetallic sealing material 非金属密封材料用氮气泄漏率试验机 |
China Building Materials
Standards nitrogen |
English PDF |
| SJ/T 11493-2015 |
Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry 硅衬底中氮浓度的二次离子质谱测量方法 |
China Electronics
Standards nitrogen |
English PDF |
| YY 0605.9-2015 |
Implants for surgery. Metallic materials. Part 9: Wrought high nitrogen stainless steel 外科植入物 金属材料 第9部分：锻造高氮不锈钢 |
China Medicine & Medical Device
Standards nitrogen |
English PDF |
| HJ 717-2014 |
Soil quality. Determination of total nitrogen. Modified Kjeldahlmethod 土壤质量 全氮的测定 凯氏法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 693-2014 |
Stationary source emission. Determination of nitrogen oxides. Fixed potential by electrolysis method 固定污染源废气 氮氧化物的测定 定电位电解法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 692-2014 |
Stationary source emission. Determination of nitrogen oxides. Non-dispersive infrared absorption method 固定污染源废气 氮氧化物的测定 非分散红外吸收法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| SN/T 3810-2014 |
(Urea and ammonium nitrogen content determination -X -ray fluorescence spectrometry) 尿素和硫酸铵中氮含量测定 X射线荧光光谱法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| XF 1206-2014 |
nitrogen injection and oxygen control fire protection device {译} 注氮控氧防火装置 |
China Fire industry
Standards nitrogen |
English PDF |
| DL/T 568-2013 |
Test methods for instrumental determination of carbon, hydrogen, and nitrogen in laboratory samples of fuel 燃料元素的快速分析方法 |
China Electricity & Power
Standards nitrogen |
English PDF |
| JJG 1094-2013 |
Water Quality On-line Analyzers of Total Phosphorus and Total nitrogen 总磷总氮水质在线分析仪检定规程 |
China Metrological
Standards nitrogen |
English PDF |
| HJ 675-2013 |
Determination of nitrogen oxide emissions from stationary sources by acid-base titration method 固定污染源排气 氮氧化物的测定 酸碱滴定法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 668-2013 |
Water quality. Determination of total nitrogen by flow injection analysis(FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry 水质 总氮的测定 流动注射-盐酸萘乙二胺分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 667-2013 |
Water quality. Determination of total nitrogen by continuous flow analysis(CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry 水质 总氮的测定 连续流动-盐酸萘乙二胺分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 666-2013 |
Water quality. Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry 水质 氨氮的测定 流动注射-水杨酸分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 665-2013 |
Water quality. Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry 水质 氨氮的测定 连续流动-水杨酸分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| JJF 1425-2013 |
Program of Pattern Evaluation of Nitrate-nitrogen Automatic Analyzers 硝酸盐氮自动监测仪型式评价大纲 |
China Metrological
Standards nitrogen |
English PDF |
| JJG 656-2013 |
Verification Regulation of Nitrate-nitrogen Automatic Analyzers 硝酸盐氮自动监测仪检定规程 |
China Metrological
Standards nitrogen |
English PDF |
| JJG 631-2013 |
Verification Regulation of Ammonia-nitrogen Automatic Analyzers 氨氮自动监测仪检定规程 |
China Metrological
Standards nitrogen |
English PDF |
| JJF 1424-2013 |
Program of Pattern Evaluation of Ammonia-nitrogen Automatic Analyzers 氨氮自动检测仪型式评价大纲 |
China Metrological
Standards nitrogen |
English PDF |
| SB/T 10931-2012 |
Controlled atmosphere storage appliance. Hollow fiber membrane nitrogen generator 气调库专用设备 中空纤维膜制氮机 |
China Commerce
Standards nitrogen |
English PDF |
| SN/T 3382-2012 |
Determination of non-protein-nitrogen content in milk and dairy products for export 出口乳与乳制品中非蛋白氮含量的测定 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| NB/T 20176-2012 |
Design requirement for hydrogen supply, nitrogen supply, oxygen supply, carbon dioxide supply system of PWR nuclear power plant 压水堆核电厂供氢、供氮、供氧、供二氧化碳系统的设计要求 |
China Energy industry
Standards nitrogen |
English PDF |
| NB/T 20007.13-2012 |
Stainless steel for pressurized water reactor nuclear power plants. Part 13: Forged tubes and elbows made from controlled nitrogen austenitic stainless steel for reactor coolant piping 压水堆核电厂用不锈钢 第13部分：反应堆冷却剂管道用控氮奥氏体不锈钢锻造管和弯管 |
China Energy industry
Standards nitrogen |
English PDF |
| SN/T 3097-2012 |
Determination of total nitrogen in fertilizers. Combustion 肥料中总氮含量的测定 燃烧分析法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| HJ 636-2012 |
Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method 水质 总氮的测定 碱性过硫酸钾消解紫外分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| NB/T 20007.6-2012 |
Stainless steel for pressurized water reactor nuclear power plants. Part 6: Controlled nitrogen content austenitic stainless steel plate for Reactor Internal 压水堆核电厂用不锈钢 第6部分：堆内构件用控氮奥氏体不锈钢板 |
China Energy industry
Standards nitrogen |
English PDF |
| NB/T 20007.3-2012 |
Stainless steel for pressurized water reactor nuclear power plants. Part 3: Controlled nitrogen content austenitic stainless steel forgings for core upports and upper support plates 压水堆核电厂用不锈钢 第3部分：堆芯支承件和上支承板用控氮奥氏体不锈钢锻件 |
China Energy industry
Standards nitrogen |
English PDF |
| HG/T 4214-2011 |
Urea-ammonium mixed nitrogen fertilizer 脲铵氮肥 |
China Chemical Industry
Standards nitrogen |
English PDF |
| HG/T 4171-2011 |
Centrifugal nitrogen oxide compressor 离心式氧化氮压缩机 |
China Chemical Industry
Standards nitrogen |
English PDF |
| SN/T 3005-2011 |
Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals 有机化学品中碳、氢、氮、硫含量的元素分析仪测定方法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| NB/SH/T 0704-2010 |
Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence 石油和石油产品中氮含量的测定 舟进样化学发光法 |
China Energy industry
Standards nitrogen |
English PDF |
| SN/T 0736.5-2010 |
Test method of import and export fertilizers. Part 5: Determination of nitrogen content 进出口化肥检验方法 第5部分:氮含量的测定 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| SN/T 2422-2010 |
Determination of nitrogen in petroleum coke for import and export. Thermal conductivity method 进出口石油焦中氮的测定 热导法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| JJF 4.5-2010 |
Tobacco and Tobacco Products. Evaluation of Uncertainty in Measurement for Routine Chemical Ingredients Using Continuous Flow Method. Part 3: Total nitrogen 烟草及烟草制品 连续流动法测定常规化学成分测量不确定度评定指南 第5部分：钾 |
China Metrological
Standards nitrogen |
English PDF |
| HJ 537-2009 |
Water quality. Determination of ammonia nitrogen. Distillation-neutralization titration 水质 氨氮的测定 蒸馏-中和滴定法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ 536-2009 |
Water quality - Determination of ammonia nitrogen - Salicylic acid spectrophotometry 水质 氨氮的测定 水杨酸分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| SH/T 3106-2009 |
Specification for design of nitrogen and oxygen system in petrochemical industry 石油化工企业氮氧系统设计技术规范 |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| HG/T 4103-2009 |
Chemical reagent. General method for the determination of organic nitrogen compounds 化学试剂 有机氮化合物测定通用方法 |
China Chemical Industry
Standards nitrogen |
English PDF |
| HJ 479-2009 |
Ambient air. Determination of nitrogen oxides. N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method 环境空气 氮氧化物(一氧化氮和二氧化氮)的测定 盐酸萘乙二胺分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| SN/T 0541.5-2009 |
Inspecting method of import and export standard rubber-Determination of nitrogen content 进出口标准橡胶检验方法 氮含量的测定 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| XF 835-2009 |
Oil-immersed transformer oil discharge nitrogen injection fire extinguishing device {译} 油浸变压器排油注氮灭火装置 |
China Fire industry
Standards nitrogen |
English PDF |
| YY 0677-2008 |
Liquid nitrogen cryosurgical equipment 液氮冷冻外科治疗设备 |
China Medicine & Medical Device
Standards nitrogen |
English PDF |
| SN/T 2115-2008 |
Determination of the total nitrogen content and calculation of the crude protein content in food and feed for import and export. Combustion according to the dumas principle 进出口食品和饲料中总氮及粗蛋白的检测方法 杜马斯燃烧法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| SH/T 0657-2007 |
Standard test method for trace nitrogenin liquid petroleum hydrocarbons by syringe/inlet oxidative combustion and chemiluminescence detection 液态石油烃中痕量氮的测定 氧化燃烧和化学发光法 |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| FZ/T 01057.5-2007 |
Test method for identification of textile fibres. Part5: Qualitative observation of colour-production for chlorine and nitrogen 纺织纤维鉴别试验方法 第5部分：含氯含氮呈色反应法 |
China Textile & Garment industry
Standards nitrogen |
English PDF |
| HJ/T 346-2007 |
Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry 水质 硝酸盐氮的测定 紫外分光光度法(试行) |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 188-2006 |
Cleaner prodution standard. nitrogenous Fertilizer Industry 清洁生产标准 氮肥制造业 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| QB/T 2722-2005 |
Leather. Chemical test. Determination of nitrogen content and hide substance. Titrimetric method 皮革 化学试验 含氮量和“皮质”的测定：滴定法 |
China Light Industry
Standards nitrogen |
English PDF |
| HJ/T 199-2005 |
Water quality. Determination of total-nitrogen. Gas-phase molecular absorption spectrometry 水质 总氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 198-2005 |
Water quality. Determination of nitrate-nitrogen. Gas-phase molecular absorption spectrometry 水质 硝酸盐氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 197-2005 |
Water quality. Determination of nitrite. nitrogen Gas-phase molecular absorption spectrometry 水质 亚硝酸盐氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 196-2005 |
Water quality. Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrometry 水质 凯氏氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 195-2005 |
Water quality. Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry 水质 氨氮的测定 气相分子吸收光谱法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 199-2005 |
Water quality Determination of total nitrogen Gas-phase molecular absorption spectrometry {译} 水质 总氮的测定 气相分子吸收光谱法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T 198-2005 |
Water quality Determination of nitrate nitrogen Gas-phase molecular absorption spectrometry {译} 水质 硝酸盐氮的测定 气相分子吸收光谱法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T 197-2005 |
Water quality Determination of nitrite nitrogen Gas-phase molecular absorption spectrometry {译} 水质 亚硝酸盐氮的测定 气相分子吸收光谱法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T 196-2005 |
Water quality Determination of Kjeldahl nitrogen Gas-phase molecular absorption spectroscopy {译} 水质 凯氏氮的测定 气相分子吸收光谱 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T 195-2005 |
Water quality Determination of ammonia nitrogen Gas-phase molecular absorption spectrometry {译} 水质 氨氮的测定 气相分子吸收光谱法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T 102-2003 |
The technical requirement for water quality automatic ananlyzer of total nitrogen 总氮水质自动分析仪技术要求 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T102-2003 |
Technical requirements for total nitrogen water quality automatic analyzer {译} 总氮水质自动分析仪技术要求 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ/T101-2003 |
Technical requirements for ammonia nitrogen water quality automatic analyzer {译} 氨氮水质自动分析仪技术要求 |
China Environment Industry
Standards nitrogen |
English PDF |
| SN/T 0736.11-2002 |
Chemical analysis of fertilizers for import and export. Determination of nitrogen content by auto analyzer 进出口化肥检验方法 自动分析仪测定氮含量 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| SN/T 1037-2002 |
Method for the determination of lime nitrogen for import and export 进出口石灰氮检验方法 |
China Import Export Inspection
Standards nitrogen |
English PDF |
| HJ/T 43-1999 |
Stationary source emission. Determination of nitrogen oxid. N(1-naphtye)-ethylenediamine dihydrochloride spectrophotometric method 固定污染源排气中氮氧化物的测定 盐酸萘乙二胺分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HJ/T 42-1999 |
Stationary source emission. Determination of nitrogen oxide. Ultraviolet spectrophotometric method 固定污染源排气中氮氧化物的测定 紫外分光光度法 |
China Environmental Protection Industry
Standards nitrogen |
English PDF |
| HG/T 3073-1999 |
Rubber compounding ingredients. Silica, precipitated, hydrated. Determination of specific surface area. nitrogen absorption method 橡胶配合剂 沉淀水合二氧化硅比表面积的测定 氮吸附方法 |
China Chemical Industry
Standards nitrogen |
English PDF |
| SB/T 10318-1999 |
Analysis of ammoniacal nitrogen 氨态氮测定法 |
China Commerce
Standards nitrogen |
English PDF |
| HJ T 43-1999 |
Determination of nitrogen oxides in exhaust gas from stationary pollution sources - Naphthalene ethylenediamine hydrochloride spectrophotometric method {译} 固定污染源排气中氮氧化物的测定 盐酸萘乙二胺分光光度法 |
China Environment Industry
Standards nitrogen |
English PDF |
| HJ T 42-1999 |
Determination of nitrogen oxides in exhaust gas from stationary pollution sources - UV spectrophotometry {译} 固定污染源排气中氮氧化物的测定 紫外分光光度法 |
China Environment Industry
Standards nitrogen |
English PDF |
| SH/T 0656-1998 |
Standard test methods for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants 石油产品及润滑剂中碳、氢、氮测定法(元素分析仪法) |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SY/T 6154-1995 |
(Rock surface area and pore size distribution measurement method static nitrogen adsorption capacity) 岩石比表面和孔径分布测定 静态氮吸附容量法 |
China Oil & Gas Industry
Standards nitrogen |
English PDF |
| QB/T 2186-1995 |
(Determination of hydrolyzed protein liquid nitrogen ammonia electrode method together) 氨气敏电极法测定水解蛋白液合氮量 |
China Light Industry
Standards nitrogen |
English PDF |
| SJ/T 31419-1994 |
Requirements of readiness and methods of inspection and assessment for pusher type nitrogen-charged tunnel kilns 推板式充氮隧道窑完好要求和检查评定方法 |
China Electronics
Standards nitrogen |
English PDF |
| SH/T 0572-1993 |
(Catalyst pore size distribution calculation method (nitrogen desorption isotherms calculation method)) 催化剂孔径分布计算法（氮脱附等温线计算法） |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SH/T 0162-1992 |
(Petroleum products Determination of basic nitrogen) 石油产品中碱性氮测定法 |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SH/T 0224-1992 |
(Petroleum Additives Determination of nitrogen content (Kjeldahl method)) 石油添加剂中氮含量测定法（克氏法） |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SH/T 0171-1992 |
(Petroleum and petroleum products - Determination of nitrogen (thymol colorimetry)) 石油和石油产品氮含量测定法（麝香草酚比色法） |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SH/T 0413-1992 |
(Liquid paraffin trace basic nitrogen determination method) 液体石蜡中微量碱性氮含量测定法 |
China Petrochemical Industry
Standards nitrogen |
English PDF |
| SJ/T 10272-1991 |
Generic specification for nitrogen purifier in catalyst absorption 催化吸附型氮气纯化装置通用技术条件 |
China Electronics
Standards nitrogen |
English PDF |
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