The neutralization of cotton-seed oil for edible purposes
The neutralization of cotton-seed oil for edible purposes
The neutralization of cotton-seed oil for edible purposes
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24<br />
Number V.<br />
In this run alarge amount <strong>of</strong> alkali, 45 c.c.<br />
or 6:34 times theoretical were added to remove<br />
all traces <strong>of</strong> the acid without regards to the<br />
amount <strong>of</strong> soap <strong>for</strong>med. <strong>The</strong> alkali was added<br />
to the <strong>oil</strong> at 75°P., and stirred <strong>for</strong> ten min-<br />
utes. It was then heated to 95°F. when the<br />
soap started to settle out. <strong>The</strong> <strong>oil</strong> was not st-<br />
irred while heating, the temperature being al-<br />
lowed to go up to 106°F. <strong>The</strong> <strong>oil</strong> was allowed to<br />
stand over night, and a very fine separtion was<br />
had. <strong>The</strong> <strong>oil</strong> was clear, but quite a lot <strong>of</strong> soap<br />
was <strong>for</strong>med<br />
Oli remaining 455 gms.or 91. 0# Shrinkage 9.0#<br />
Free fatty acids in <strong>oil</strong> 0.01^.
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