GOST R 50233.3-1992
Niobium pentoxide. Luminescent method for determination of phosphorus content

Standard No.

GOST R 50233.3-1992

Release Date

1992

Published By

RU-GOST R

Latest

GOST R 50233.3-1992

Scope

This standard applies to niobium pentoxide and establishes a luminescent method for determining the mass fraction of phosphorus in niobium pentoxide.

GOST R 50233.3-1992 Referenced Document

• GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
• GOST 18385.0-1989 Niobium. General requirements for methods of analysis
• GOST 25086-1987 Nonferrous metals and their alloys. General requirements for methods of analysis
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3765-1978 Reagents. Ammonium molibdate. Specifications
• GOST 4198-1975 Reagents. Potassium dihydrogen phosphate. Specifications
• GOST 4199-1976 Reagents. 10-aqueous sodium tetraborate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4233-1977 Reagents. Sodium chloride. Specifications
• GOST 4328-1977 Reagents. Sodium hydroxide. Specifications

GOST R 50233.3-1992 history

• 1992 GOST R 50233.3-1992 Niobium pentoxide. Luminescent method for determination of phosphorus content