ISO 1697:1977

Specifies the sampling, the determination of ditillation characteristics, the determination of density at 20 °C, the determination of residue on evaporation, the determination of water and the determination of acidity. The determination of distillation characteristics indicates the difference between the temperatures corresponding to the collection of two volumes of distillate, V0 and V1. These two volumes will be indicated in the specification pf product agreed between th intersted parties. Replaces ISO Recommendation R 1697-1970.