GOST 22772.5-1990 PDF

Scope: This standard applies to manganese ores, concentrates and agglomerates and establishes gravimetric methods for determining

GOST 22772.5-1990 Referenced Document

GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
GOST 10929-1976 Reagents. Hydrogen peroxide. Specifications
GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
GOST 4199-1976 Reagents. 10-aqueous sodium tetraborate. Specifications
GOST 4204-1977 Reagents. Sulphuric acid. Specifications
GOST 4328-1977 Reagents. Sodium hydroxide. Specifications
GOST 4332-1976 Reagents. Potassium sodium carbonate. Specifications
GOST 4461-1977 Reagents. Nitric acid. Specifications
GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
GOST 6563-1975 Technical articles made of noble metals and their alloys. Specifications
GOST 83-1979 Reagents. Sodium carbonate. Specifications
GOST 9147-1980 Laboratory porcelain ware and apparatus. Specifications*， 2024-04-19 Update
GOST 9428-1973 Reagents. Silicon dioxide. Specifications
ISO 4297:1978 Manganese ores and concentrates; Methods of chemical analysis; General instructions

1990 GOST 22772.5-1990 Manganese ores, concentrates and agglomerates. Methods for the determination of silicon dioxide
0000 GOST 22772.5-1977