Derivatives from coal pyrolysis - Coal tar and pitch based binders and related products: Refractory binders - Characteristics and test methods; German version EN 14261:2003— 7 стр.
Crude petroleum and liquid or solid petroleum products - Determination of density or relative density - Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods (ISO 3838:2004); German version EN ISO 3838:2004— 25 стр.
Carbonaceous materials used in the production of aluminium. Pitch for electrodes. Determination of the softening point (Mettler softening point method)— 16 стр.