ISO 1614:1976

Glycerines for industrial use — Samples and test methods — General

The procedures specified are applicable to the analysis of crude or distilled glycerols having a glycerol content greater than 75 % (m/m). The methods relate to determination of alkalinity or acidity, determination of sulphated ash, determination of water, determination of density at 20 °C, determination of ash, arsenic, and glycerol. – Replaces ISO Recommendation R 1614-1970.