<p>ISO 663:2017 specifies a method for the determination of the insoluble impurities content of animal and vegetable fats and oils.</p>
<p>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. In this case, an agreement is to be reached between the parties concerned.</p>
<p>Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this document.</p>
Registration number (WIID)
71269
Scope
<p>ISO 663:2017 specifies a method for the determination of the insoluble impurities content of animal and vegetable fats and oils.</p>
<p>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. In this case, an agreement is to be reached between the parties concerned.</p>
<p>Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this document.</p>
