GB/T 12689.4-2004 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 12689.4-2004

The methods for chemical analysis of zinc and zinc alloys--The determination of copper content--The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method

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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 12689.4-2004
Standard Category	China National Standards
GB Standard English Title	The methods for chemical analysis of zinc and zinc alloys--The determination of copper content--The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB Standard Chinese Title	锌及锌合金化学分析方法铜量的测定二乙基二硫代氨基甲酸铅分光光度法、火焰原子吸收光谱法和电解法
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