ISO-5069-2 › Brown coals and lignites -- Principles of sampling -- Part 2 : Sample preparation for determination of moisture content and for general analysis
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The process of sample preparation consists of several operations three of which are fundamental: particle size reduction by crushing or grinding and milling; mixing; decrease of sample mass by dividing the sample (sample division). In most cases, the drying process of the sample is also necessary.
To find similar documents by classification:
73.040 (Coals Including lignites Coal products, see 75.160.10)
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Document Number
ISO 5069-2:1983
Revision Level
1ST EDITION
Status
Superseded
Publication Date
Dec. 1, 1983
Committee Number
ISO TC 27/SC 4