GOST 12645.12-1986 PDF

Scope: This standard establishes a polarographic method for the determination of tellurium (with a mass fraction of tellurium from 5x10 to the power of minus 6 to 5x10 to the power of minus 6 to 5x10 to the power of s

GOST 12645.12-1986 Referenced Document

GOST 12645.10-1986 Indium. Method for determination of sulphur
GOST 12645.11-1986 Indium. Method for determination of selenium
GOST 19908-1990 Transparent quartz glass crucibles, basins, cups, flasks, funnels, test-tubes and caps. General specifications*， 1990-04-19 Update
GOST 20490-1975 Reagents. Potassium permanganate. Specifications
GOST 22306-1977 Metals of high and special purity. General requirements for methods of analysis
GOST 244-1976 Sodium thiosulphate, crystalline. Specifications
GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
GOST 4109-1979 Reagents. Bromine. Specifications
GOST 4204-1977 Reagents. Sulphuric acid. Specifications
GOST 4234-1977 Reagents. Potassium chloride. Specifications
GOST 4461-1977 Reagents. Nitric acid. Specifications
GOST 4658-1973 Mercury. Specifications
GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
GOST 5848-1973 Reagents. Formic acid. Specifications
GOST 6709-1972 Distilled water. Specifications