GOST 26931-1986
Raw materials and food-stuffs. Method for determination of copper

Standard No.

GOST 26931-1986

Release Date

1986

Published By

RU-GOST R

Latest

GOST 26931-1986

Replace

GOST 5370-1958 GOST 14353-1974

Scope

This standard applies to food raw materials and products and establishes polarographic and colorimetric methods for determining

GOST 26931-1986 Referenced Document

• GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
• GOST 195-1977 Reagents. Sodium sulphite. Specifications
• GOST 2405-1988 Pressure gauges, vacuum gauges, pressure-and-vacuum gauges, draught gauges and draught-and-pressure gauges. General specifications*， 1988-04-19 Update
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications
• GOST 3773-1972 Reagents. Ammonium chloride. Specifications
• GOST 4165-1978 Reageuts. Copper II sulphate pentahydrate. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4328-1977 Reagents. Sodium hydroxide. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 4658-1973 Mercury. Specifications
• GOST 5962-1967 Rectified ethyl alcohol. Specifications
• GOST 6552-1980 Reagents. Orthophosphoric acid. Specifications
• GOST 6709-1972 Distilled water. Specifications
• GOST 8864-1971 Reagents. N,N-sodium diethyldithiocarbamate 3-aqueous. Specifications*， 2024-04-19 Update
• GOST 949-1973 Small and medium volume steel cylinders for gases for Pw<=19,6 MPa (200kgf/cm2). Specifications

GOST 26931-1986 history

• 1986 GOST 26931-1986 Raw materials and food-stuffs. Method for determination of copper
• 0000 GOST 14353-1974
• 0000 GOST 5370-1958