GB/T 7731.9-1987

Methods for chemical analysis of ferrotungsten—The bismuth iodide photometric method for the determination of bismuth content

STANDARD published on 31.3.1987

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The information about the standard:

Designation standards: GB/T 7731.9-1987
Note: WITHDRAWN
Publication date standards: 31.3.1987
Country: Chinese technical standard
Category: Technical standards GB