
Zinc and zinc alloys—Determination of tin content—Phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
NORMA vydána dne 30.12.1990
Designation standards: GB/T 12689.6-1990
Note: NEPLATNÁ
Publication date standards: 30.12.1990
Country: Chinese technical standard
Kategorie: Technické normy GB