GOST 14638.15-1984
Ferrotungsten. Method for determination of arsenic content

Standard No.

GOST 14638.15-1984

Release Date

1984

Published By

RU-GOST R

Latest

GOST 14638.15-1984

Replace

GOST 14638.15-1969

Scope

This standard establishes a photometric method for determining the mass fraction of arsenic in ferrotungsten in the range from 0.002 to 0.10%

GOST 14638.15-1984 Referenced Document

• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. 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 4461-1977 Reagents. Nitric acid. Specifications
• GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
• GOST 5817-1977 Reagents. Tartaric acid. Specifications*， 2024-04-19 Update
• GOST 5841-1974 Reagents. Hydrazine sulfate
• GOST 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 6613-1986 Square meshed woven wire cloths. Specifications*， 1986-04-19 Update
• GOST 7298-1979 Reagents. Hydroxylamine sulfate. Specifications

GOST 14638.15-1984 history

• 1984 GOST 14638.15-1984 Ferrotungsten. Method for determination of arsenic content
• 0000 GOST 14638.15-1969