Explanatory notes
… stoppered. It is used as a solvent for numerous purposes, e.g., for extracting oils, fats or essential oils, … for dehairing hides. (b) Diarsenic trisulphide (artificial orpiment, false auripigment, yellow sulphide) (As 2 S 3 ). … product, which does not occur in nature, is a light yellow amorphous solid, insoluble in water. Used as a pigment. With …