GOST 13020.4-1985
Metallic chrome. Method for determination of phosphorus

Standard No.

GOST 13020.4-1985

Release Date

1985

Published By

RU-GOST R

Latest

GOST 13020.4-1985

Replace

GOST 13020.4-1975

Scope

This standard establishes a photometric method for the determination of phosphorus in chromium metal (with a mass fraction of phosphorus from 0.002 to 0.0

GOST 13020.4-1985 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 19275-1973 Reagents. Ammonium bromide. Specifications
• GOST 23916-1979 Metal chromium. Sampling and sample preparation for chemicad and phisical-chemical analysis
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4109-1979 Reagents. Bromine. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 5456-1979 Reagents. Hydroxilamine hydrochloride. Specifications
• GOST 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 83-1979 Reagents. Sodium carbonate. Specifications

GOST 13020.4-1985 history

• 1985 GOST 13020.4-1985 Metallic chrome. Method for determination of phosphorus
• 0000 GOST 13020.4-1975