China Determination nitrogen content GB Standards List

China "Determination nitrogen content" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	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 Determination nitrogen content	English PDF

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