GOST 7687-1988
Paper and board. Method for determination of trace copper and iron

Standard No.

GOST 7687-1988

Release Date

1988

Published By

RU-GOST R

Latest

GOST 7687-1988

Replace

GOST 7687-1976

Scope

This standard applies to paper and cardboard and specifies a method for determining inclusions of iron and copper.

GOST 7687-1988 Referenced Document

• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4207-1975 Reagents. Potassium ferrocyanide. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications

GOST 7687-1988 history

• 1988 GOST 7687-1988 Paper and board. Method for determination of trace copper and iron
• 0000 GOST 7687-1976