How to detect Synthetic Milk and Milk Adulteration?

A simple test for Water: Put a drop of milk on polished vertical surface. The drop of pure milk either stops or flows slowly leaving a white trail behind it. Whereas milk adulterated with water will flow immediately without leaving a mark.


A simple test for Urea: Take 5 ml of milk in a test tube and add 2 drops of bromothymol blue soln. Development of blue colour after 10 minutes indicates presence of urea.


Other Test 


1) Rosalic acid test (Soda Test)
2) Test for detection of formalin
3) Test for detection of ammonium sulphate
4) Test for detection of pulverized soap
5) Detection of vegetable fat in milk
6) Detection of buffalo milk in cow milk
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Click here for these tests.