If the soap has high alkali content it irritates the skin.

Question:

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?

Solution:

Excess of alkali can be found out using acid-base titration.

The alkali that is formed during the hydrolyses of oil during soap preparation may be a cause of excess alkali in the soap.

Leave a comment

None
Free Study Material