GB/T 7731.3-1987

Methods for chemical analysis of ferrotungsten--The bis (cyclohexanone) oxalyldihydrazone photometric method for the determination of copper content

NORMA vydána dne 12.5.1987

The information about the standard:

Designation standards: GB/T 7731.3-1987
Note: NEPLATNÁ
Publication date standards: 12.5.1987
Country: Chinese technical standard
Kategorie: Technické normy GB