GOST 11884.4-1978
Tungsten concentrate. Method of determination of phosphorus

Standard No.

GOST 11884.4-1978

Release Date

1978

Published By

RU-GOST R

Latest

GOST 11884.4-1978

Replace

GOST 11887-1966

Scope

This standard applies to tungsten concentrates of all grades and establishes a photocolorimetric method for determining

GOST 11884.4-1978 Referenced Document

• GOST 11884.15-1982 Tungsten concentrate. General requirements for methods of spectrum analysis*， 1982-04-19 Update
• GOST 213-1983 Tungsten concentrate. Specifications*， 1983-04-19 Update
• GOST 22867-1977 Reagents. Ammonium nitrate. Specifications
• GOST 24363-1980 Reagents. Potassium hydroxide. Specifications*， 1980-04-19 Update
• GOST 27329-1987 Ores and concentrates of non-ferrous metals. General requirements for methods of chemical analysis*， 1987-04-19 Update
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4142-1977 Reagents. Calcium nitrate tetrahydrate. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 9336-1975 Reagents. Ammonium metavanadate. Specifications

GOST 11884.4-1978 history

• 1978 GOST 11884.4-1978 Tungsten concentrate. Method of determination of phosphorus
• 0000 GOST 11887-1966