GOST 23862.21-1979
Lanthanum, samarium, europium, gadolinium, dysprosium, thulium, yterbium, yttrium and their oxides. Method of determination of chromium

Standard No.

GOST 23862.21-1979

Release Date

1979

Published By

RU-GOST R

Latest

GOST 23862.21-1979

GOST 23862.21-1979 Referenced Document

• GOST 11125-1984 Super pure nitric acid. Specifications*， 1984-12-22 Update
• GOST 14262-1978 Super pure sulphuric acid. Specifications
• GOST 20490-1975 Reagents. Potassium permanganate. Specifications
• GOST 23862.0-1979 Rare-earth metals and their oxides. General requirements for methods of analysis
• GOST 4197-1974 Reagents. Sodium nitrite. Specifications
• GOST 4220-1975 Reagents. Potassium bichromate. Specifications
• GOST 6709-1972 Distilled water. Specifications

GOST 23862.21-1979 history

• 1979 GOST 23862.21-1979 Lanthanum, samarium, europium, gadolinium, dysprosium, thulium, yterbium, yttrium and their oxides. Method of determination of chromium