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| Chinese National Standard List: Rare metal ore |
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GB/T 7739.1-1987 Methods for chemical analysis of gold concentrates; The fire-assaying method for the determination of gold and silver content
Issued on: 1987-05-12 Translation Price(USD): 184.0 |
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GB/T 7739.3-1987 Methods for chemical analysis of gold concentrates; The silver diethyldithiocarbamate spectrophotometric method for the determination of arsenic content
Issued on: 1987-05-12 Translation Price(USD): 184.0 |
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GB/T 7739.2-1987 Methods for chemical analysis of gold concentrates; The flame atomic absorption spectrophotometric methods for the determination of silver content
Issued on: 1987-05-12 Translation Price(USD): 184.0 |
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GB/T 7739.4-1987 Methods for chemical analysis of gold concentrates; The iodometric method for the determination of arsenic content
Issued on: 1987-05-12 Translation Price(USD): 184.0 |
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