A Treatise On the Manufacture of Soap And Candles, Lubricants And Glycerin
The book A Treatise On the Manufacture of Soap And Candles, Lubricants And Glycerin was written by author Carpenter, Wm. Lant (William Lant), 1841-1890 Here you can read free online of A Treatise On the Manufacture of Soap And Candles, Lubricants And Glycerin book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On the Manufacture of Soap And Candles, Lubricants And Glycerin a good or bad book?
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So much injury has been done by the use of unsuitable soaps, that many woollen manufacturers have been driven to make their own, thereby, as they think, ensuring purity. This, however, is also a hazardous proceeding, and it would be reaUy more to their interest to state their exact wants, and to pay a proper and fair price for a soap carefully made with all the appli- ances and knowledge of a large soap-factory, than to run the risk of using a product in which, from want of practice or knowledg...e, a serious oversight had occurred. The excessive desire for cheapness on the part of purchasers has done more than anything else to depreciate the quality of soft-soaps (and of others). Further general remarks on this subject, and upon the desirability of purchasers buying soaps whose compo- sition is guaranteed by analysis, will be found in Chap. VIII. I.c, p. — The method of making " hydrated " soaps is very similar to that just described. Fatty matter and (soda) lye are run into the copper, and the whole is boiled together, care being taken to avoid an excess of aJkali at first; when saponification has taken place, lye is cautiously added until M 2 164 SOAP.
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