… and paperboard in any size or shape as made directly and having all its edges deckled falls, subject to the provisions of Chapter Note 7, in this heading. Hand-made paper and paperboard having any of its edges trimmed or cut and machine-made …
… water, etc. (b) Potassium aluminate . Prepared by dissolving bauxite in potassium hydroxide. White, … of these salts are : (a) Ammonium tungstate . Obtained by dissolving tungstic acid in ammonia; white crystalline … 2 ), respectively. Potassium ferrate is a black powder, dissolving in water to give a red liquid. The name …
… shape, dried, and then heated (if necessary to the stage of vitrification in the case of ceramic binders) or cured (in … towards the centre to allow crushed grain to flow via the centre of the stone. Millstones and grindstones for …
… Colourless liquid which darkens when exposed to air. Reacts vigorously with concentrated mineral acids. Used as a … ( umbelliferone ). White crystals. Absorbs ultra-violet rays, hence its use in suntan lotions and creams. …
… with absorbent earths, etc., or by re-distillation), provided this treatment does not produce separate chemically … been added to render them suitable for particular uses, provided the products contain by weight 70 % or more of …
… I CHEMICAL ELEMENTS GENERAL Chemical elements can be divided into two classes, non‑metals and metals. In general, … metal (81.04). Manganese....... Mn 25 Base metal (81.11). Mendelevium... Md 101 Radioactive element (28.44). …
… fittings (for example, couplings, elbows, sleeves). The provisions of the Explanatory Notes to headings 73.07 and … The heading does not cover : (a) Clamps and other devices specially designed for assembling parts of …
