"Caustic potash" Quotes from Famous Books
 ... of modifying the filaments of flax and hemp so as to convert them into cotton is by no means a new one. As long ago as 1747 it was proposed to convert flax into cotton by boiling it in a solution of caustic potash, and subsequently washing it with soap; and in 1775 Lady Moira, aided by T.B. Bailey, actually converted some refuse flax into cotton by boiling it in alkali. The result was, that the fibres seemed to be set at liberty from each other; after which it was carded on cotton cards, ...
— Atlantic Monthly, Vol. 8, No. 46, August, 1861 • Various
... case of the hop the most effective remedy is a solution of quassia and soft soap. The caustic potash in the soap neutralizes the oily integument of the lice and dries them up, but the quassia supplies a bitter principle not unlike that of the hop, though without its grateful aroma, which acts as a protection in the absence of the bitter ...
— Grain and Chaff from an English Manor • Arthur H. Savory
... passes over. Somewhat later, they found that it could be prepared from diazobenzene imide, provided a nitro group were present in the ortho or para position to the diazo group. The para-nitro compound is dropped slowly into a cold solution of one part of caustic potash in ten parts of absolute alcohol; the solution becomes dark red in colour and is then warmed for two days on the water bath. After the greater portion of the alcohol has distilled off, the solution is acidified with sulphuric acid and the azoimide distilled over. The yield obtained ...
— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 - "Austria, Lower" to "Bacon" • Various
... may also be converted into saturated acids by heating to 300 deg.C. with solid caustic potash, which decomposes them into acids of the stearic series with liberation of hydrogen. This reaction, with oleic acid, for example, is generally represented ...
— The Handbook of Soap Manufacture • W. H. Simmons
... of blood-stained wood, or earth, or dust, or cloth fibres, with water and caustic potash, and filters it. Then he takes a drop of the liquid and places it in the useful watch-glass. Into this he puts some glacial acetic acid and a crystal of ordinary table salt. He heats the mixture and lets it cool. And, if it ...
— The Harmsworth Magazine, v. 1, 1898-1899, No. 2 • Various |
