ISO 663:2007 specifies a method for the determination of the insoluble impurities content of animal and vegetable fats and oils.
If it is not desired to include soaps (particularly calcium soaps) or oxidized fatty acids in the insoluble impurities content, it is necessary to use a different solvent and procedure.
Status: WithdrawnPublication date: 2007-03
Edition: 4Number of pages: 6
Technical Committee: ISO/TC 34/SC 11 Animal and vegetable fats and oils