arachic

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languagehat.com: UNIHAN. 2004

With this process the author has always been successful; but when the olive oil contains not more than 5 to 10 per cent. of peanut oil, it is necessary to make the test with 40 grms. of the former, otherwise the melting point of the arachic acid cannot be estimated.

Scientific American Supplement, No. 841, February 13, 1892 Various

The arachic acid which separates after cooling is filtered out and washed, first with 90 per cent. and afterward with 70 per cent. alcohol.

Scientific American Supplement, No. 841, February 13, 1892 Various

The oleate of lead is separated by ether, and the residuum, consisting of palmitic and arachic acids, is decomposed by hydrochloric acid.

Scientific American Supplement, No. 841, February 13, 1892 Various

The weight of the residuum, after taking into account the acid dissolved in the alcohol, equals the whole amount of arachic acid contained in the oil; the melting point of this residuum should be 70° to 71° C.

Scientific American Supplement, No. 841, February 13, 1892 Various