"Decantation" Quotes from Famous Books
... liquid by treating it for several hours with water at 100 C., and the anhydrides rendered insoluble by diluting the liquid with a large volume of cold water. The precipitate formed, consisting of quebracho phlobaphenes, was separated from the liquid by decantation, and purified by washing it several times with water. Each 10 gm. of this moist paste were treated in the cold with (a) free phenolsulphonic acid; (b) sodium phenolsulphonate; (c) crude Neradol and (d) Neradol D, 20 c.c. of water at 45 C. added, and ... — Synthetic Tannins • Georg Grasser |