ISO 1388-10:1981 Preview
Ethanol for industrial use -- Methods of test -- Part 10: Estimation of hydrocarbons content -- Distillation method
This standard was last reviewed and confirmed in 2012. Therefore this version remains current.
The principle is based on distillation of a test portion in the presence of water, addition to the distillate of a saturated sodium chloride solution and measurement of the volume of insoluble hydrocarbons. A Hempel fractionating column with Liebig condenser is used for the distillation. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.