… Section XI. (B) Silk‑worm gut . Silk‑worm gut is obtained by extracting and stretching the silk glands of silk‑worms killed by immersion in diluted acetic acid at the stage when they …
… organic derivatives only . Hydrazine (H 2 NNH 2 ) may, by replacement of one or more hydrogen atoms, give … Hydroxylamine (H 2 NOH) can also give numerous derivatives by substitution of one or more hydrogen atoms. …
… in trade as “concentrates” of germanium, which are obtained by processes not normal to the metallurgical industry … directly from one particular ore, but are obtained as by‑products of the metallurgy of other metals (e.g., zinc, …
… to be permanently fixed in place, in houses, etc., normally by connection to the water or sewage systems. It also covers … of similar dimensions and uses, such as portable bidets, baby baths and camping toilets. Flushing cisterns of plastics …
… noil silk 5007.20 ‑ Other fabrics, containing 85 % or more by weight of silk or of silk waste other than noil silk … 5007.20 Subheading 5007.20 covers only fabrics containing by weight at least 85 % of silk or of silk waste other than …
… the sound vibrations. Sound track film produced solely by processes other than photoelectric (e.g., by mechanical engraving or magnetic recording) is excluded ( …
… has not been isolated in the free state. They are obtained by reducing (with zinc powder) solutions of hydrogen … calcium, magnesium and zinc , which may be stabilised by similar processes, are products similar to sodium …
… mass, or in the form of blocks, slabs or sheets obtained by splitting, rough cutting or squaring or squaring by sawing. This heading covers similar products more highly …
… of iron or steel articles, not more specifically covered by other headings of the Nomenclature, used for sanitary … wire, wire grill, wire cloth, etc., and may be manufactured by any process (moulding, forging, punching, stamping, …
… whether or not dried. Gluten is extracted from wheat flour by simple aqueous separation from the other constituents … heading excludes , inter alia : (a) Wheat flour enriched by the addition of gluten ( heading 11.01 ). (b) Proteins …
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