HOW TO DETERMINE BORIC ACID IN FOOD

DETECTION OF BORIC ACID IN FOOD

AIM:
To detect boric acid in food samples (e.g., milk, jaggery).

APPARATUS:
Test tubes, turmeric paper.

REAGENT:
None (turmeric paper acts as indicator).

PRINCIPLE:
Boric acid turns turmeric paper red, which turns green on ammonia exposure.

PROCEDURE:

• Dip turmeric paper in food extract.

• Dry and observe color.

• Expose to ammonia vapor for confirmation.

RESULT:
Red to green color change confirms boric acid.