… waste Flax exists in many varieties, the best known being Linum usitatissimum . Flax (or linen) fibres occur in the … this process the raw flax is first boiled in a solution of sodium hydroxide and then impregnated with sodium carbonate; it is then treated with dilute acid, when …
… used for the expression of coconut oil and unsuitable for human consumption. This heading does not include desiccated … i.e., the dried and shredded flesh of coconut suitable for human consumption ( heading 08.01 ). …
… in such a way that one or more copies of an original document can be made by applying pressure (e.g., by the … by means of a typewriter, a stylus or any other appropriate instrument perforates the surface coating with the textual …
… For soda pulp the cooking liquor is a solution of sodium hydroxide; for sulphate pulp a modified sodium hydroxide solution is employed. The term “sulphate” came to be applied because sodium sulphate, part of which is converted into sodium …
… sintered dolomite Dolomite is a natural double carbonate of calcium and magnesium. The heading covers crude dolomite as well as … range of 700 °C - 1000 ° C to convert it into magnesium and calcium oxides by releasing carbon dioxide. On the other …
… chemical elements of Chapter 28 (for example, silicon and selenium) doped with, for example, boron or phosphorus, … classified in Chapter 28 . (2) Chemical compounds such as cadmium selenide and sulphide, indium arsenide, etc., containing certain additives (e.g., …