"Animal charcoal" Quotes from Famous Books
 ... ten per cent infusion of the suspected coffee; filter it, and decolorize the solution by boiling it with a piece of animal charcoal. Test the decolorized solution by slowly adding a few drops of the "potassium-iodide-iodine solution," directions for preparing which were given under heading of "Tea." A resulting blue color will indicate the presence ...
— The Home Medical Library, Volume V (of VI) • Various
... common plan for case hardening consists in the insertion of the articles to be operated upon among horn or leather cuttings, hone dust, or animal charcoal, in an iron box provided with a tight lid, which is then put into a furnace for a period answerable to the depth of steel required. In some cases the plan pursued by the gunsmiths may be employed with convenience. The ...
— A Catechism of the Steam Engine • John Bourne
... Sal-ammoniac as a crystal is obtained in various ways, principally from the ammoniacal liquor of gas works, also from the condensed products of the distillation of bones and other animal refuse in the preparation of animal charcoal, and which is of a highly alkaline nature. This liquid is then treated with a slight excess of muriatic acid to neutralize the free alkali, and at the same time the carbonates and sulphides are decomposed with the evolution of carbonic acid and sulphureted hydrogen. ...
— Scientific American Supplement No. 819 - Volume XXXII, Number 819. Issue Date September 12, 1891 • Various
... water (as in super) 100 Precipitated phosphate, Peruvian guano 92 Reverted phosphate, finest steamed bone-dust fish-guano, poudrette 83 Phosphatic guanos (Baker Island), wood-ashes 75 Coarser bone-dust, powdered animal charcoal, bone-ash 67 Coarse fragments of bone, powdered phosphorite and coprolite, Thomas-slag, ...
— Manures and the principles of manuring • Charles Morton Aikman |
