ISO 3947:1977 Preview
Starches, native or modified -- Determination of total fat content
This standard was last reviewed and confirmed* in 2015.
*Therefore this version remains current
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).