saponifying

It was then necessary to separate the glycerine from the fat by saponifying it.

The Mysterious Island 2005

It was then necessary to separate the glycerine from the fat by saponifying it.

The Mysterious Island 2005

However, more expensive soaps are made by saponifying the crude oil and distilling the resulting fatty acids before adding the lye.

8 Industrial Products 1992

[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 Walter H. Eddy

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 Various

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 H. A. Appleton

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 H. A. Appleton

On gently saponifying the esters, these are converted into the corresponding hydroxy derivatives --

Synthetic Tannins Georg Grasser

The chief aim of the refiner is to remove these impurities without saponifying any of the neutral oil.

The Handbook of Soap Manufacture H. A. Appleton

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 Various