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Normas DIN – AENOR
DIN 22020-5:2005-02

DIN 22020-5:2005-02

Investigations of the raw material in hard-coal-mining - Microscopical examinations of hard coal, coke and briquettes - Part 5: Reflectance measurements on vitrinites / Note: DIN 22020-5 (1986-09) remains valid alongside this standard until 2005-07-31.

/ Attention: DIN 22020-5 (1986-09) reste valable avec la présente norme jusqu'à 2005-07-31.

Rohstoffuntersuchungen im Steinkohlenbergbau - Mikroskopische Untersuchungen an Steinkohle, Koks und Briketts - Teil 5: Reflexionsmessungen an Vitriniten / Achtung: Daneben gilt DIN 22020-5 (1986-09) noch bis 2005-07-31.

2015-02 /Active
Relación con otras normas DIN:

Reemplaza a: DIN 22020-5:1986-09

Reemplaza a: DIN 22020-5:2003-09

This standard describes the process of executing the reflectance measurements on vitrinites. This process allows determination of rank of a hardcoal quality, independently on the maceral composition and mineral contents.
Analysis, Bituminous coal, Briquettes, Coal, Coke, Hard coal, Investigations, Maceral groups, Measurement, Measuring techniques, Microscopic analysis, Microscopy, Mining, Precision, Raw materials, Reflection, Seam coal, Test equipment, Testing, Vitrinites
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