Historical
ISO 5069-1:1983
Brown coals and lignites -- Principles of sampling -- Part 1 : Sampling for determination of moisture content and for general analysis
Part 1 of this standard presents the principles of methods for the sampling of brown coals and lignites from streams, wagons, barges and stock-piles which differ from those described in sampling of hard coals. Other general principles and the procedure of replicate sampling are the same as for hard coals.
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International Organization for Standardization [iso]