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ISO 5069-2:1983

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

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Kehtetu alates 23.04.2018
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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.
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EVS-EN 14155:2003

Derivatives from coal pyrolysis - Carbon black feedstock - Specifications and test methods
Uusim versioon Kehtiv alates 01.09.2003
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ISO 5068-1:2007

Brown coals and lignites -- Determination of moisture content -- Part 1: Indirect gravimetric method for total moisture
Uusim versioon Kehtiv alates 10.01.2007
Põhitekst

ISO 5068-2:2007

Brown coals and lignites -- Determination of moisture content -- Part 2: Indirect gravimetric method for moisture in the analysis sample
Uusim versioon Kehtiv alates 10.01.2007
Põhitekst

ISO 5069-1:1983

Brown coals and lignites -- Principles of sampling -- Part 1: Sampling for determination of moisture content and for general analysis
Uusim versioon Kehtetu alates 23.04.2018