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  •  China "Nessler" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    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
    Nessler

    English PDF
    GB/T 7479-1987 Water quality--Determination of ammonium--Nessler’s reagent colorimetric method
    水质 铵的测定 纳氏试剂比色法
    China National Standards
    Nessler

    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
    Nessler

    English PDF
    GB/T 23773-2009 Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler’s reagent colorimetric method
    无机化工产品中铵含量测定的通用方法 纳氏试剂比色法
    China National Standards
    Nessler

    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
    Nessler

    English PDF
    GB/T 16031-1995 Workplace air--Determination ofammonia--Nessler’s reagent spectrophotometric method
    车间空气中氨的纳氏试剂分光光度测定方法
    China National Standards
    Nessler

    English PDF
    GB/T 14668-1993 Air quality--Determination of ammonia--Nessler’s reagent colorimetric method
    空气质量 氨的测定 纳氏试剂比色法
    China National Standards
    Nessler

    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
    Nessler

    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
    Nessler

    English PDF

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