GOST 23227-1978
Brown coals, hard coals, anthracite, combustible shales and turf. Method for the determination of free calcium oxide in the ash

Standard No.

GOST 23227-1978

Release Date

1978

Published By

RU-GOST R

Latest

GOST 23227-1978

Scope

This standard applies to brown and hard coals, anthracite, oil shale and peat and establishes a method for determining the content

GOST 23227-1978 Referenced Document

• GOST 11014-1981 Brown coals, hard coals, anthracite and combustible shales. Shortened method of moisture determination*， 1981-04-19 Update
• GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
• GOST 20292-1974 Laboratory volumetric glassware. Burettes, pipettes
• GOST 25336-1982 Laboratory glassware and equipment. Basic parameters and dimensions*， 1982-04-19 Update
• GOST 3118-1977 Reagents. Hydrochloric acid. Specifications
• GOST 4234-1977 Reagents. Potassium chloride. Specifications
• GOST 4328-1977 Reagents. Sodium hydroxide. Specifications
• GOST 4517-1987 Reagents. Methods for preparation of accessory reagents and solutions used for analysis*， 1987-04-19 Update
• GOST 6613-1986 Square meshed woven wire cloths. Specifications*， 1986-04-19 Update
• GOST 6709-1972 Distilled water. Specifications
• GOST 7995-1980 Glass stopcocks. Specifications*， 2024-04-19 Update

GOST 23227-1978 history

• 1978 GOST 23227-1978 Brown coals, hard coals, anthracite, combustible shales and turf. Method for the determination of free calcium oxide in the ash