GOST 25542.4-1993
Alumina. Method for the determination of titanium dioxide

Standard No.

GOST 25542.4-1993

Release Date

1993

Published By

RU-GOST R

Latest

GOST 25542.4-1993

Replace

GOST 25542.4-1983

Scope

This standard specifies a photometric method for the determination of titanium dioxide at a mass fraction of 0.001 to 0.02% in alumina.

GOST 25542.4-1993 Referenced Document

• GOST 25389-1993 Alumina. Preparation of test samples
• GOST 25542.0-1993 Alumina. General requirement for methods of chemical analysis
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4165-1978 Reageuts. Copper II sulphate pentahydrate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 7172-1976 Reagents. Potassium pyrosulphate
• GOST R 50332.1-1992 Alumina. Methods for the decomposition of test sample and the preparation of test solution

GOST 25542.4-1993 history

• 1993 GOST 25542.4-1993 Alumina. Method for the determination of titanium dioxide
• 1970 GOST 25542.4-1983 Alumina. Method for the determination of titanium dioxide