Answer to Question #54043 in Organic Chemistry for riyaz chu

Question

what is the diff between acid value and saponification value

Answer 1

Acid value is a mass of potassium hydroxide (in milligrams) used for neutralizing the free fatty acids in fat sample (in grams). Saponification value is a mass of potassium hydroxide (in milligrams) used for saponification of 1 gram of fat. Acid value determines the amount of free fatty acids in a sample while saponification value determines both free and bound (with glycerol) fatty acids in a sample.