The fatty acids obtained by the Twitchell saponifier may be converted into soap by carbonates, thus saving cost in alkali. [Please select]
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The saponifier is then added through a glass or granite ware funnel after the contents of the tank have been brought to a boil. [Please select]
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Should a permanent emulsion have formed, due to adding too great an amount of saponifier, a little sulfuric acid (0.) [Please select]
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The amount of this to be added depends upon the percentage of saponifier used. [Please select]
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The Twitchell process of saponification consists of causing an almost complete cleavage of fats and oils by the use of the Twitchell reagent or saponifier, a sulfo-aromatic compound. [Please select]
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As to the amount of saponifier to use on various stocks, this is best determined by experiment as to how high a percentage gives dark colored fatty acids. [Please select]
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