GOST 15933.5-1990
Ferroniobium. Method for determination of niobium and tantalum sum

Standard No.

GOST 15933.5-1990

Release Date

1990

Published By

RU-GOST R

Latest

GOST 15933.5-1990

Replace

GOST 15933.5-1970

Scope

This standard establishes a gravimetric method for determining the sum of niobium and tantalum with a mass fraction of the sum of niobium and tantalum from 30

GOST 15933.5-1990 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 10929-1976 Reagents. Hydrogen peroxide. Specifications
• GOST 20515-1975 Aluminium thermal treated ferromobium. Sampling method and sample preparation for chemikal analysis
• GOST 22867-1977 Reagents. Ammonium nitrate. Specifications
• GOST 28473-1990 Iron, steel, ferroalloys, metal chromium and metal manganese. General requirements for methods of analysis
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3772-1974 Reagents. Ammonium phosphate dibasic. Specifications
• GOST 4165-1978 Reageuts. Copper II sulphate pentahydrate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 7172-1976 Reagents. Potassium pyrosulphate

GOST 15933.5-1990 history

• 1990 GOST 15933.5-1990 Ferroniobium. Method for determination of niobium and tantalum sum
• 0000 GOST 15933.5-1970