GB/T 3654.7-1983

Methods for chemical analysis of ferroniobium The methylene blue photometric method for the determination of sul fur content

STANDARD published on 2.5.1983

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The information about the standard:

Designation standards: GB/T 3654.7-1983
Note: WITHDRAWN
Publication date standards: 2.5.1983
Country: Chinese technical standard
Category: Technical standards GB