GOST 23409.1-1978
Moulding sands, moulding and core sand mixtures. Method for determination of calcium and magnesium oxides content

Standard No.

GOST 23409.1-1978

Release Date

1978

Published By

RU-GOST R

Status

Be replaced 1993-01

Replace By

GOST 29234.8-1991

GOST 29234.9-1991

Latest

GOST 29234.8-1991

GOST 29234.9-1991

Scope

This standard applies to foundry sands, molding and core mixtures and specifies the volumetric trilonometric m

GOST 23409.1-1978 Referenced Document

• GOST 10484-1978 Reagents. Hydrofluoric acid. Specifications
• GOST 10652-1973 Reagents. Dihydrate ethylenediaminetetraacetic acid disodium salt. Specifications
• GOST 1381-1973 Hexamethylenetetramine for industrial use. Specifications
• GOST 23409.0-1978 Moulding sands, moulding and core sand mixtures. General requirements for test methods
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 3760-1979 Reagents. Ammonia water. Specifications*， 1979-04-19 Update
• GOST 3773-1972 Reagents. Ammonium chloride. Specifications
• GOST 4204-1977 Reagents. Sulphuric acid. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications
• GOST 4461-1977 Reagents. Nitric acid. Specifications
• GOST 7172-1976 Reagents. Potassium pyrosulphate

GOST 23409.1-1978 history

• 1991 GOST 29234.8-1991 Moulding sands. Methods for determination of calcium oxide
• 1978 GOST 23409.1-1978 Moulding sands, moulding and core sand mixtures. Method for determination of calcium and magnesium oxides content