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If the soap has high alkali content it irritates the skin. How can the amount of excess alkali be determined? What can be the source of excess alkali?
Answers (1)
To determine the excess presence of alkali content in the soap, acid-base titration can be used. The common source of excess alkali in soaps is the hydrolysis of oil during soap preparation results in alkali formation that might irritate the skin.
View full answer
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