How To Use Saponify In A Sentence
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The purpose of an alkali is to saponify the oils and dislodge ordinary soil and other matter.
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However, more expensive soaps are made by saponifying the crude oil and distilling the resulting fatty acids before adding the lye.
8 Industrial Products
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These acids, being in combination with the bases of the oil, would be set free only on saponifying the oil and subsequently decomposing with acid.
Scientific American Supplement, No. 497, July 11, 1885
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A blank experiment is carried out simultaneously, with another 25 c.c. of the soda solution, and the difference in the amounts of acid required by the two, furnishes a measure of the alkali required to saponify the acetin formed, and hence the amount of glycerol in the crude glycerine may be calculated.
The Handbook of Soap Manufacture
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Some suggest mixing the rosin and soda ash (or only a portion of the soda ash) prior to dissolving in water; others saponify in a boiler connected with a trap which returns the resinate to the pan and allows the carbonic-acid gas to escape or to be collected.
The Handbook of Soap Manufacture
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[Footnote: Since the above was put in type Steenbock has shown that the A vitamine resists saponification and that by saponifying fats which contain the A it may be possible to secure a fraction rich in the vitamine and free of fat.]
The Vitamine Manual
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The tests for the two last named have hitherto never presented any difficulty, as rape seed is easily detected, owing to the sulphur in it, by saponifying it in a silver dish, and castor oil by its solubility in alcohol.
Scientific American Supplement, No. 392, July 7, 1883
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On gently saponifying the esters, these are converted into the corresponding hydroxy derivatives --
Synthetic Tannins
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They are, by far, the most important saponifying agents from the point of view of the present work, and their practical use is fully described in Chapter V. CHAPTER III.
The Handbook of Soap Manufacture
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saponify oils and fats
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Only soap made from best quality fats is usually milled, a suitable base being that obtained by saponifying a blend of the finest white tallow with a proportion, not exceeding 25 per cent., of cocoa-nut oil, and prepared as described in Chapter V.
The Handbook of Soap Manufacture
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To avoid this, the quantity of alkali required to saponify the myricine is first ascertained, and then that required to saturate the free cerotic acid.
Scientific American Supplement, No. 443, June 28, 1884
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The chief aim of the refiner is to remove these impurities without saponifying any of the neutral oil.
The Handbook of Soap Manufacture
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(The drain openers I've used have all been strong bases, AFAICR, not acids - I assume because they attack metals less, and might saponify some fats.)
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It was then necessary to separate the glycerine from the fat by saponifying it.
The Mysterious Island