This standard specifies the reagents, instruments and equipment, measurement procedures, and measurement results for the determination of light transmitance of low-rank coal. Colored solutions are produced by mixing nitric acid and phosphoric acid, and the light transmitance of coal samples is determined by visual Colorimetry according to the depth of the solution. It is suitable for lignite and low-rank bituminous coal.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | D21 | ICS | 73.040 |
| Release Date | 2010-09-26 00:00:00 | Implementation Date | 2011-02-01 00:00:00 |
