Here below some steps mentioned for milk testing –
Step 1- Whenever you want to test the milk purityArticle Submission, you just put the instrument or lactometer in milk.
Step 2- If it sinks up to the mark ‘M’ which mentioned at lactometer that means milk is pure or if not that means milk is impure.
Step 3- If the milk is mixed in water then it would sink higher then marked ‘M’.
Step4- If it stands at the mark 3 that means milk is 75% pure and respectively 2 for 50% purity and 1 means 25% purity.