ISO 5069-2:1983

Brown coals and lignites — Principles of sampling — Part 2: Sample preparation for determination of moisture content and for general analysis ISO 5069-2:1983

Publication date:   Dec 1, 1983

Scope

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.