GOST 14638.1-1981
Ferrotungsten. Methods for the determination of tungsten

Standard No.

GOST 14638.1-1981

Release Date

1981

Published By

RU-GOST R

Latest

GOST 14638.1-1981

Replace

GOST 14638.1-1969

Scope

This standard establishes the determination of the mass fraction of tungsten from 50 to 85% by gravimetric methods (nitric acid and chloride

GOST 14638.1-1981 Referenced Document

• GOST 1027-1967 Reagents. Lead (II) acetate trihydrate. Specifications
• GOST 3117-1978 Reagents. Ammonium acetate. Specifications
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3652-1969 Reagents. Citric acid monohydrate and anhydrous. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 3770-1975 Reagents. Ammonium carbonate. Specifications
• GOST 3773-1972 Reagents. Ammonium chloride. Specifications
• GOST 4165-1978 Reageuts. Copper II sulphate pentahydrate. 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 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 6344-1973 Reagents. Thiourea. Specifications

GOST 14638.1-1981 history

• 1981 GOST 14638.1-1981 Ferrotungsten. Methods for the determination of tungsten
• 0000 GOST 14638.1-1969