… or white jute and Corchorus olitorius or red jute, also known as Tossa. (2) Hibiscus cannabinus , known in trade as Hibiscus hemp, Gambo hemp, Siam jute, … Francisco, Dah, Meshta, etc. (3) Hibiscus sabdariffa , known in trade as Roselle or Rosella hemp, Siam jute, Kenaf, …
… the cotton fibres by ginning, are still covered with a fine down formed of very short fibres (usually less than 5 mm long). These fibres are known as cotton linters. Linters are too short for spinning; … light in weight but fragile. (2) Certain other vegetable downs ( sometimes known as vegetable silks), formed by the …
… Colloidal silver occurs in small grains or flakes, bluish, brownish or greenish‑grey, with a metallic glint. It is used … . (a) Silver oxides . Disilver oxide (Ag 2 O) is a brownish‑black powder slightly soluble in water, turning … (chloroplatinic acid) (H 2 PtC1 6 ), deliquescent prisms, brownish‑red in colour, soluble in water; used in …
… the speed of the operation. Pyroligneous liquids (sometimes known as raw pyroligneous acid), which are not materials of … oils, etc.), are viscous products ranging in colour from brownish‑orange to brown. They are chiefly employed (as …
… used as pigments. They include : (1) Ochres (yellow, brown, red, Spanish red, etc.). (2) Siennas (Italian sienna, yellow‑brown; and burnt sienna, orange‑brown, etc.). (3) Umbers … after moulding. (2) Amber is a fossilised resin (also known as “succinite” or “ Karabé ”). It generally ranges in …
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