… semi-manufactured or powder forms of gold or gold alloys (as defined in the General Explanatory Note), or of … 5 to this Chapter (see General Explanatory Note), the gold alloys which may fall in this heading, include : (1) Gold-silver alloys , varying in colour from yellow through green to …
… use in instruments, clocks, time switches, sewing machines, toys, etc., up to large powerful motors for rolling mills, … remain classified here even when they are equipped with pulleys, with gears or gear boxes, or with a flexible shaft …
… SALTS AND DERIVATIVES (1) Oxalic acid (HOOCCOOH). Fine crystals, colourless, transparent and odourless; toxic. Used … diethyl oxalates. (2) Adipic acid (HOOC(CH 2 ) 4 COOH). Crystallises in colourless needles; used, inter alia , for … as polyamides. (3) Azelaic acid* . Yellowish to white crystalline powder; used, inter alia , for preparing …
… a window, wall, ceiling or floor, self-contained or “split-system” 8415.20 - Of a kind used for persons, in motor … units). Alternatively, they may be in the form of “split-systems” which operate when connected together, i.e., a …
… aqueous solution of sodium carbonate. Colourless powder or crystals, rather unstable, with a smell of sulphur dioxide … languages, incorrectly referred to as “sodium bisulphite crystals”). Obtained from the hydrogen sulphite; oxidises … by means of sodium carbonate. Anhydrous (in powder) or crystallised (with 7 H 2 O) colourless, soluble in water. …
… brown liquid above 27 °C; below that temperature, reddish crystals. Specific gravity about 3. Decomposed by water; it … Obtained from trichloride in the form of white or yellowish crystals. Specific gravity about 3.6. Like the trichloride, … in the air; below that temperature it forms colourless crystals; specific gravity is about 2.4. Decomposed by …
… the synthesis or secretion of secondary or tertiary hormone systems. A fundamental defining characteristic of a hormone … glands, is governed by the sympathetic and para-sympathetic systems. Hormones are carried by the blood, lymph or other …
… yellowish‑grey masses or in small, very brittle ingots of crystalline structure. The heading covers copper phosphide and master alloys of copper only if they contain more than 15 % by … Calcium phosphide (Ca 3 P 2 ). Small chestnut‑coloured crystals or grey granular masses which, on contact with …
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