GOST 20996.4-1982
Selenium. Method of arsenic determination

Standard No.

GOST 20996.4-1982

Release Date

1982

Published By

RU-GOST R

Latest

GOST 20996.4-1982

Replace

GOST 10431-1963(部分代替)

Scope

This standard establishes a photocolorimetric method for the determination of arsenic (at a mass fraction of arsenic of 0.002-0.06%)

GOST 20996.4-1982 Referenced Document

• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications*， 1987-04-19 Update
• GOST 20288-1974 Reagents. Carbon tetrachloride. Specifications
• GOST 20996.0-1982 Selenium. General requirements for methods of analyses
• GOST 2156-1976 Sodium bicarbonate. Specifications
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4160-1974 Reagents. Potassium bromide. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4232-1974 Reagents. Potassium iodide. Specifications
• GOST 4328-1977 Reagents. Sodium hydroxide. Specifications
• GOST 5841-1974 Reagents. Hydrazine sulfate

GOST 20996.4-1982 history

• 1982 GOST 20996.4-1982 Selenium. Method of arsenic determination