GOST 28935-1991
Solid fuel. Method for the determination of sodium and potassium soluble in dilute hydrochloric acid

Standard No.

GOST 28935-1991

Release Date

1991

Published By

RU-GOST R

Status

Withdraw 2012-07

Latest

GOST 28935-1991

Scope

This standard applies to brown and hard coals, anthracites, oil shale and peat and establishes flame photometric

GOST 28935-1991 Referenced Document

• GOST 10742-1971 Brown coals, hard coals, anthracite, combustible shales and coal briquettes. Methods of sampling and preparation of samples for laboratory tests
• GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
• GOST 18300-1987 Technical rectified ethyl alcohol. Specifications
• GOST 24104-1988 General purpose laboratory balances and comparison balances. Performance. Specifications
• GOST 24104-2001 Laboratory scales. General technical requirements*， 2024-04-19 Update
• GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions
• GOST 27313-1995 Solid mineral fuel. Symbols of analytical results and formulae for calculation of analyses to different bases*， 1995-04-19 Update
• GOST 27314-1991 Solid mineral fuel. Determination of moisture
• GOST 4233-1977 Reagents. Sodium chloride. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications
• GOST 6709-1972 Distilled water. Specifications

GOST 28935-1991 history

• 1991 GOST 28935-1991 Solid fuel. Method for the determination of sodium and potassium soluble in dilute hydrochloric acid