China Determination total nitrogen GB Standards List

China "Determination total nitrogen" GB Standards List:

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 Determination total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 Determination total nitrogen	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 Determination total nitrogen	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 Determination total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 total nitrogen	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 Determination total nitrogen	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 Determination total nitrogen	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 Determination total nitrogen	English PDF

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