Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry
NORMA vydaná dňa 14.1.2011
Designation standards: GB/T 12689.1-2010
Publication date standards: 14.1.2011
Country: Chinese technical standard
Kategória: Technické normy GB