Methods of test for petroleum and its products. BS 2000-189/190. Crude petroleum and liquid or solid petroleum products. Determination of density or relative density. Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods— 28 стр.
Crude petroleum and liquid or solid petroleum products -- Determination of density or relative density -- Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods— 24 стр.