GOST 21216.7-1993
Clay raw materials. Method for determination of chlorine ions in water extract

Standard No.

GOST 21216.7-1993

Release Date

1993

Published By

RU-GOST R

Status

Be replaced 2015-07

Replace By

GOST 21216-2014

Latest

GOST 21216-2014

Replace

GOST 21216.7-1981

Scope

This standard establishes a volumetric method for the determination of chlorine ions in an aqueous extract of clay raw materials for the ceramic industry.

GOST 21216.7-1993 Referenced Document

• GOST 1277-1975 Reagents. Silver nitrate. Specifications
• GOST 21216.0-1993 Clay raw materials. General requirements for the methods of testing
• GOST 21216.6-1993 Clay raw materials. Method for determination of calcium and magnesium in water extract
• GOST 4459-1975 Reagents. Potassium chromate. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications

GOST 21216.7-1993 history

• 2014 GOST 21216-2014 Clay raw materials. Test methods
• 1993 GOST 21216.7-1993 Clay raw materials. Method for determination of chlorine ions in water extract
• 0000 GOST 21216.7-1981

GOST 21216.7-1993 Clay raw materials. Method for determination of chlorine ions in water extract was changed to GOST 21216-2014 Clay raw materials. Test methods.