… Sub-Chapter XII GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR … (1) Nucleosides and nucleotides ( heading 29.34 ). (2) Alkaloids (e.g., tomatine) ( heading 29.39 ). (3) …
… or in medicine (because it destroys morbid growths). With alkali sulphides, it forms thioarsenites of heading 28.42 . … solid, insoluble in water. Used as a pigment. With alkali sulphides, it also forms thioarsenates of heading …
… from brown algae ( Phaeophyta ) by maceration in an alkaline solution. It may be produced by precipitating the … Alginic acid is insoluble in water but its ammonium and alkali metal salts dissolve readily in cold water to form …
