Assertion: crude glutamic acid | /r/HasProperty | crystallized at its isoelectric point
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Source sentences:
text: When crude glutamic acid is crystallized at its isoelectric point, that is, a pH of about 3.2, for example, by adjusting the pH of a monosodium glutamate-containing solution with hydrochloric acid, the adjusted mixture is filtered or centrifuged, and the glutamic acid cake is washed with water in order to remove water soluble impurities.