Essential oils (containing tertiary alcohols) - Estimation of free alcohols content by determination of ester value after acetylation

رقم المستند: NL ISO 3794 : 2017
القطاع: chemical technology
TC: NL TC 54
ICS: 71.100.60
Hydrolysis of the product by boiling hydrochloric acid, and coagulation of the insoluble products by cooling. Separation by filtration, drying and isolation the wanted matter by solvent extraction. The method applies to contents less than 1,5 % (m/m).