GOST 20997.3-1981
Thallium. Method of spectral determination of cadmium and zinc

Standard No.

GOST 20997.3-1981

Release Date

1981

Published By

RU-GOST R

Latest

GOST 20997.3-1981

Replace

GOST 20997.3-1975

Scope

This standard establishes a method for the spectral determination of cadmium and zinc in thallium grades T10 and T11 with a mass fraction of cadmium from 1x10 in s

GOST 20997.3-1981 Referenced Document

• GOST 11120-1975 Reagents. Cadmium oxide. Specifications
• GOST 1467-1993 Cadmium. Specifications*， 1993-04-19 Update
• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications*， 1987-04-19 Update
• GOST 20997.0-1981 Thallium. General requirements for methods of spectral analysis
• GOST 20997.2-1981 Thallium. Method of spectral determination of aluminium, iron, copper, nickel, tin, silver and lead
• GOST 3640-1994 Zinc. Specifications*， 1994-04-19 Update
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 6709-1972 Distilled water. Specifications

GOST 20997.3-1981 history

• 1981 GOST 20997.3-1981 Thallium. Method of spectral determination of cadmium and zinc