无机化工产品 杂质阴离子的测定 离子色谱法
Inorganic chemicals for industrial use―Determination of impurity anions―Ion chromatography method
2014-09-03
GB/T 21057-2007
无机化工产品中氟含量测定的通用方法 离子选择性电极法
Inorganic chemical for industrial use - General method for determination of fluorine content-Ion selective electrode method
2007-08-13
SN/T 2994-2011
有机化工产品中氟、氯和硫酸根的测定 离子色谱法
Determination of fluoride,chloride and sulphate in organic chemical products for industrial use. Ion chromatography
2011-09-09
GB/T 2366-2008
化工产品中水含量的测定 气相色谱法
Determination of water content in industrial chemicals - Gas chromatographic method
2008-05-14
GB/T 23946-2009
无机化工产品中铅含量测定通用方法 原子吸收光谱法
Inorganic chemicals for industrial use - General method for the determination of lead content - Atomic absorption spectrometry
2009-06-02
GB/T 23945-2009
无机化工产品中氯化物含量测定的通用方法 目视比浊法
Inorganic chemicals for industrial use - General method for the determination of chloride content - Visible turbidimetric method
2009-06-02
GB/T 21058-2007
无机化工产品中汞含量测定的通用方法 无火焰原子吸收光谱法
Inorganic chemical for industrial use - General method for mercury content-Flameless atomic absorption spectrometric method
2007-08-13
GB/T 23841-2009
无机化工产品中镉含量测定的通用方法 原子吸收分光光度法
Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry
2009-05-18
GB/T 40111-2021
石油产品中氟、氯和硫含量的测定 燃烧-离子色谱法
Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography
2021-05-21
GB/T 23842-2009
无机化工产品中硅含量测定通用方法 还原硅钼酸盐分光光度法
General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method
2009-05-18
GB/T 23943-2009
无机化工产品中六价铬含量测定的通用方法 二苯碳酰二肼分光光度法
Inorganic chemicals for industrial use - General method for the determination of chromium(Ⅵ) content - 1,5-diphenylcarbohydrazide spectrophotometric method