
The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method
NORMA vydaná dňa 30.4.2004
Designation standards: GB/T 12689.11-2004
Publication date standards: 30.4.2004
Country: Chinese technical standard
Kategória: Technické normy GB