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GB/T 12689.4-2004 standard english preview version PDF file download

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
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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