GOST 13637.7-1993
Gallium. Method for the determination of sulphur

Standard No.

GOST 13637.7-1993

Release Date

1993

Published By

RU-GOST R

Latest

GOST 13637.7-1993

Replace

GOST 13637.7-1977

Scope

This standard establishes a method of alternating current polarography for the determination of sulfur in gallium (with a mass fraction of sulfur from 5x10 per step

GOST 13637.7-1993 Referenced Document

• GOST 10157-1979 Gaseous and liquid argon. Specifications
• GOST 10652-1973 Reagents. Dihydrate ethylenediaminetetraacetic acid disodium salt. Specifications
• GOST 13637.0-1993 Gallium. General requirements for methods of analysis
• GOST 14261-1977 Hydrochloric acid super pure. Specifications
• GOST 200-1976 Sodium hypophosphite, 1-aqueous. Specifications
• GOST 2053-1977 Reagents. Sodium sulphide 9-aqueous. Specifications
• GOST 24104-1988 General purpose laboratory balances and comparison balances. Performance. Specifications
• GOST 24147-1980 Super pure ammonia aqueous solution. Specifications
• GOST 24363-1980 Reagents. Potassium hydroxide. Specifications
• GOST 25 Internal grinding machines. Basic parameters and dimensions. Accuracy standards
• GOST 4167-1974 Reagents. Cuprie chloride 2-aqueous. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications
• GOST 4658-1973 Mercury. Specifications
• GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
• GOST 6709-1972 Distilled water. Specifications
• GOST 9293-1974 Gaseous and liquid nitrogen. Specifications

GOST 13637.7-1993 history

• 1993 GOST 13637.7-1993 Gallium. Method for the determination of sulphur
• 1977 GOST 13637.7-1977 Gallium. Method for the determination of sulphur