China National Standards

China Ferroniobium GB Standards List


  •  China "Ferroniobium" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 3654.8-2023 Ferroniobium Determination of titanium content Chromotropic acid photometry and diantipyrine methane photometry {译}
    铌铁 钛含量的测定 变色酸光度法和二安替比林甲烷光度法
    China National Standards
    Ferroniobium

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    GB/T 3654.3-2019 Ferroniobium—Determination of silicon content—Gravimetric method
    铌铁 硅含量的测定 重量法
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.8-2008 Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method
    铌铁 钛含量的测定 变色酸光度法
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.6-2008 Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method,methylene blue photometric method and infrared absorption method
    铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.2-2008 Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method
    铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法
    China National Standards
    Ferroniobium

    English PDF
    GB/T 7737-2007 Ferroniobium
    铌铁
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.9-1983 Methods for chemical analysisof Ferroniobium--The thiocyanate photometric method for the determination of tungsten content
    铌铁化学分析方法 硫氰酸盐光度法测定钨量
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.5-1983 Methods for chemical analysis of Ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content
    铌铁化学分析方法 钼蓝光度法测定磷量
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.4-1983 Methods for chemical analysis of Ferroniobium--The combustion gravimetric method for the determination of carbon content
    铌铁化学分析方法 燃烧重量法测定碳量
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.3-1983 Methods for chemical analysis of Ferroniobium--The gravimetric method for the determination of silicon content
    铌铁化学分析方法 重量法测定硅量
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.1-1983 Methods for chemical analysis of Ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content
    铌铁化学分析方法 纸上色层分离重量法测定铌、钽量
    China National Standards
    Ferroniobium

    English PDF
    GB/T 3654.10-1983 Methods for chemical analysis of Ferroniobium--The EDTA volumetric method for the determination of aluminium content
    铌铁化学分析方法 EDTA容量法测定铝量
    China National Standards
    Ferroniobium

    English PDF

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