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ISO 697:1981 PDF
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Surface active agents — Washing powders — Determination of apparent density — Method by measuring the mass of a given volume
The method consists in determining the mass of powder in receiver of known dimensions, after filling with the sample from a funnel of specified shape under specified conditions. The method is applicable to free flowing powders and, provided that an appropriate funnel is used, to powders which have a tendency to cake. In the case of powder containing lumps, the method is applicable only if these can be disintegrated readily without braeking down the particles of the powder.
| Edition | 1981 |
|---|---|
| Published Date | 1981 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
