UNE 22 104 Sulfur in pyrite and similar minerals and its roasting residues. Determination of roasted sulfur that can be decomposed by incompatible substances
The purpose of this standard is to establish the method that must be followed for the determination of toastable sulfur by acid disintegration. It is applicable to pyrites, sulfur and complex minerals, in accordance with the UNE 22102 standard. It is not applicable to pyrrhotites, pyrrhotites, ashes, purple mineral and agglomerates of ashes,