GOST 18385.7-1989
Niobium. Spectral method for the determination of tantalum

Standard No.

GOST 18385.7-1989

Release Date

1989

Published By

RU-GOST R

Latest

GOST 18385.7-1989

Scope

This standard applies to the spectral method for determining the mass fraction of tantalum in niobium ingots from 0.05 to 1%. The method is based on

GOST 18385.7-1989 Referenced Document

• GOST 10691.1-1984 Black-and-white photographic plates. Method for determination of speed numbers
• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications
• GOST 18385.0-1989 Niobium. General requirements for methods of analysis
• GOST 244-1976 Sodium thiosulphate, crystalline. Specifications
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3773-1972 Reagents. Ammonium chloride. Specifications
• GOST 4640-1984 Mineral wool. Specifications
• GOST 6563-1975 Technical articles made of noble metals and their alloys. Specifications

GOST 18385.7-1989 history

• 1989 GOST 18385.7-1989 Niobium. Spectral method for the determination of tantalum