
Workplace air—Determination of tungsten or tungsten carbide—Potassium thiocyanate-titanous trichloride spectrophotometric method
NORMA vydána dne 23.1.1996
Designation standards: GB/T 16104-1995
Note: NEPLATNÁ
Publication date standards: 23.1.1996
Country: Chinese technical standard
Kategorie: Technické normy GB