NF T60-180:1996 Crude petroleum and liquid or solid petroleum products. Determination of density or relative density. Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods.
1996NF T60-180:1996 Crude petroleum and liquid or solid petroleum products. Determination of density or relative density. Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods.