… acetoarsenite) ( heading 29.42 ). (c) Metallic flakes and powders ( Section XIV or XV ). The colouring matter of this … of heading 25.30 or of Chapter 28 and metallic flakes and powders, of a kind used for colouring any material or used …
… matter of these descriptions is usually in the form of powder, crystals, pastes, etc. Synthetic organic … produces a red fluorescence. It is generally in the form of powder. Most organic products of a kind used as …
