GOST 13230.4-1993
Ferrosilicon. Method for determination of phosphorus

Standard No.

GOST 13230.4-1993

Release Date

1993

Published By

RU-GOST R

Latest

GOST 13230.4-1993

Replace

GOST 13230.4-1981

Scope

This standard establishes a photometric method for the determination of phosphorus in ferrosilicon at a mass fraction of 0.01% to 0.25%. Method basic

GOST 13230.4-1993 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 11125-1984 Super pure nitric acid. Specifications
• GOST 14261-1977 Hydrochloric acid super pure. Specifications
• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications
• GOST 24147-1980 Super pure ammonia aqueous solution. Specifications
• GOST 24991 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 3773-1972 Reagents. Ammonium chloride. Specifications
• GOST 4147-1974 Reagents. Ferric chloride hexahydrate. Specifications
• GOST 4165-1978 Reageuts. Copper II sulphate pentahydrate. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
• GOST 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 6344-1973 Reagents. Thiourea. Specifications

GOST 13230.4-1993 history

• 1993 GOST 13230.4-1993 Ferrosilicon. Method for determination of phosphorus
• 1981 GOST 13230.4-1981 Ferrosilicon. Methods for the determination of phosphorus
• 0000 GOST 13230.4-1967