GOST 21138.2-1985
Chalk. Method for determination of sulphate ions content in water extract

Standard No.

GOST 21138.2-1985

Release Date

1985

Published By

RU-GOST R

Latest

GOST 21138.2-1985

Replace

GOST 21138.2-1975

Scope

This standard applies to natural chalk and establishes a weight method for determining the mass fraction of sulfate ions in water

GOST 21138.2-1985 Referenced Document

• GOST 1277-1975 Reagents. Silver nitrate. Specifications
• GOST 21138.0-1985 Chalk. General requirements for methods of analysis
• GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4108-1972 Reagents. Barium chloride, 2-aqueous. Specifications
• GOST 9147-1980 Laboratory porcelain ware and apparatus. Specifications*， 2024-04-19 Update

GOST 21138.2-1985 history

• 1985 GOST 21138.2-1985 Chalk. Method for determination of sulphate ions content in water extract
• 0000 GOST 21138.2-1975