GOST 21600.4-1983
Ferrochrome. Method for the determination of phosphorus

Standard No.

GOST 21600.4-1983

Release Date

1983

Published By

RU-GOST R

Latest

GOST 21600.4-1983

Replace

GOST 21600.4-1976

Scope

This standard establishes a photometric method for the determination of phosphorus in ferrochrome (with a mass fraction of phosphorus from 0.005 to 0.06%). Method o

GOST 21600.4-1983 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 24991-1981 Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese. Methods of sampling and sample preparation for chemical and physical-chemical analyses
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
• GOST 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 6613-1986 Square meshed woven wire cloths. Specifications*， 1986-04-19 Update
• GOST 83-1979 Reagents. Sodium carbonate. Specifications

GOST 21600.4-1983 history

• 1983 GOST 21600.4-1983 Ferrochrome. Method for the determination of phosphorus
• 0000 GOST 21600.4-1976