A practical treatise on the manufacture of soap and candles .. (1888)
Brannt, William T. (William Theodore), b. 1844, Deite, C. (Carl), 1838-1921, Engelhardt, Alwin, Schaedler, Karl, 1843-1891 · Philadelphia, H. C. Baird & co.; [etc., etc.] · leaf 103
ingoils as to their purity, the statementscannot be implicitly relied on. Thespecific gravities of oils vary very little,and exact experiments have shown that the variations of thespecific gravity of one and the same variety of oil are frequentlyas sreat as the difference between the oil and… … EXAMINATION OF FATS AND FAT OILS. 85 an oil-balance for testing the oils at 212° F., but this proved oflittle service, especially since Scharlach has shown that oils donot expand equally by heating. The determination of the spe-cific gravity as a means of testing fat oils is therefore limited to…
Soap · Candles · Decorative arts
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