GOST 14021.5-1978
Ferroboron. Method for the determination of phosphorus

Standard No.

GOST 14021.5-1978

Release Date

1978

Published By

RU-GOST R

Latest

GOST 14021.5-1978

Replace

GOST 14021.5-1968

Scope

This standard establishes photometric methods for the determination of phosphorus (with a mass fraction of phosphorus from 0.004 to 0.04%) in ferroboron, intended

GOST 14021.5-1978 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications*， 1987-04-19 Update
• GOST 195-1977 Reagents. Sodium sulphite. Specifications
• GOST 20490-1975 Reagents. Potassium permanganate. Specifications
• GOST 25207-1985 Ferrotungsten, silicocalcium and ferroboron. Methods for sampling and sample preparation for chemical and physico-chemical analyses*， 1985-04-19 Update
• GOST 28473-1990 Iron, steel, ferroalloys, metal chromium and metal manganese. General requirements for methods of analysis*， 1990-04-19 Update
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications*， 1979-04-19 Update
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4332-1976 Reagents. Potassium sodium carbonate. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications

GOST 14021.5-1978 history

• 1978 GOST 14021.5-1978 Ferroboron. Method for the determination of phosphorus
• 0000 GOST 14021.5-1968