GOST 13637.4-1993
Gallium. Method for the determination of iron

Standard No.

GOST 13637.4-1993

Release Date

1993

Published By

RU-GOST R

Latest

GOST 13637.4-1993

Replace

GOST 13637.4-1977

Scope

This standard establishes a visual photometric method for determining iron in the range of mass fractions from 2x10 to the power minus 5 d

GOST 13637.4-1993 Referenced Document

• GOST 11125-1984 Super pure nitric acid. Specifications
• GOST 13637.0-1993 Gallium. General requirements for methods of analysis
• GOST 14261-1977 Hydrochloric acid super pure. Specifications
• GOST 14262-1978 Super pure sulphuric acid. Specifications
• GOST 24104-1988 General purpose laboratory balances and comparison balances. Performance. Specifications
• GOST 24147-1980 Super pure ammonia aqueous solution. Specifications
• GOST 25086-1987 Nonferrous metals and their alloys. General requirements for methods of analysis
• GOST 3759-1975 Reagents. Aluminium chloride 6-aqueous. Specifications
• GOST 4139-1975 Reagents. Potassium thiocyanate. Specifications
• GOST 5830-1979 Reagents. Isoamyl alcohol. Specifications
• GOST 6691-1977 Reagents. Urea. Specifications
• GOST 6709-1972 Distilled water. Specifications

GOST 13637.4-1993 history

• 1993 GOST 13637.4-1993 Gallium. Method for the determination of iron
• 1977 GOST 13637.4-1977 Gallium. Method for the determination of iron