Standard Test Method for Determining the Relative Degree of Oxidation in Bituminous Coal by Alkali Extraction

Importancia y uso:

5.1 This test method is a relative measure of the degree of oxidation present in coal. It does not determine the quantitative amount of oxidized coal present. It is only intended to serve as a guide to the supplier, buyer, and user for selecting coals for metallurgical use.

Note 1: Lower rank bituminous coals are more easily extracted than higher rank coal.

Subcomité:

D05.15

Referida por:

D0121-24, D6796-21E01

Volúmen:

05.06

Número ICS:

73.040 (Coals)

Palabras clave:

absorbance; alkali extraction; colorimetric; humic acids; oxidation (weathering); transmittance ;