GOST 25390-1993
Alumina. Method for the determination of calcium oxide

Standard No.

GOST 25390-1993

Release Date

1993

Published By

RU-GOST R

Latest

GOST 25390-1993

Replace

GOST 25390-1982

Scope

This standard applies to alumina used primarily in the production of aluminum and specifies atomic absorption

GOST 25390-1993 Referenced Document

• GOST 11069-1974 Primary aluminium. Grades
• GOST 25389-1993 Alumina. Preparation of test samples
• GOST 25542.0-1993 Alumina. General requirement for methods of chemical analysis
• GOST 25542.3-1993 Alumina. Methods for the determination of sodium oxide and potassium oxide
• GOST 2603-1979 Reagents. Acetone. Specifications
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4038-1979 Reagents. Nickel chloride 6-aqueous. Specifications
• GOST 4233-1977 Reagents. Sodium chloride. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 4530-1976 Reagents. Calcium carbonate. Specifications
• GOST 4658-1973 Mercury. Specifications
• GOST 5457-1975 Dissolved acetylene and gaseous acetylene for technical purposes. Specifications*， 2024-04-17 Update
• GOST 83-1979 Reagents. Sodium carbonate. Specifications
• GOST 8677-1976 Reagents. Calcium oxide. Specifications
• GOST 9656-1975 Reagents. Boric acid. Specifications*， 2024-04-17 Update
• GOST R 50332.1-1992 Alumina. Methods for the decomposition of test sample and the preparation of test solution

GOST 25390-1993 history

• 1993 GOST 25390-1993 Alumina. Method for the determination of calcium oxide
• 1970 GOST 25390-1982 Alumina. Atomic - absorption. Method for determination of calcium exide