In protien test of acetic acid white precipitate appears give reason
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Ninhydrin Test: The Ninhydrin Test is a test for amino acids and proteins with a free -NH2 group. When such an -NH2 group reacts with ninhydrin, a purple-blue complex is formed. Xanthproteic Test: Phenyl rings containing an activating group can be nitrated producing a yellow product.
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★A whitish or cloudy turbid solution or precipitate (coagulation) in the solution indicates the presence of albumin in the urine sample. A trace of protein which is less than 250 mg (in 24 hours urine) is found in normal urine.
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