Water quality--Determination of the total mercury--Potassium permanganate-pootassium peralfate descomposed method--Dithizone spectrophotometric method
NORM herausgegeben am 6.3.1987
Designation standards: GB/T 7469-1987
Publication date standards: 6.3.1987
Country: Chinese technical standard
Kategorie: Technische Normen GB