ISO 735:1977Published

Oilseed residues — Determination of ash insoluble in hydrochloric acid

Tourteaux de graines oléagineuses — Détermination des cendres insolubles dans l'acide chlorhydrique

Abstract / scope

The method consists in treating of the total ash (see ISO 749) with hydrochloric acid, to remove the portion soluble in this reagent, then incinerating and weighing of the residue and replaces ISO Recommendation R 735-1968.