ISO 331:1983
$12.35
Coal — Determination of moisture in the analysis sample — Direct gravimetric method
| Published By | Publication Date | Number of Pages |
| ISO | 1983-09 | 5 |
The sample of coal is heated at 105 to 110 °C in a stream of oxygen-free, dry nitrogen and the moisture driven off is collected in an absorption tube containing a desiccant. The increase in mass of the absorption tube (after deducting the result of a separate blank determination) is due to moisture in the sample of coal.
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