73.040 Coals *Including lignites *Coal products, see 75.160.10

Method of determining specific surface area of coal

Hard coal Method for the measurement of the swelling of hard coal using a dilatometer

Hard coal — Method for the measurement of the swelling properties using a dilatometer

Solid mineral fuels Determination of total carbon, hydrogen and nitrogen content Instrumental method

Coal and coke — Determination of total carbon, hydrogen and nitrogen — Instrumental method