Gerhardt’s test – Principle, Procedure, Result

Gerhardt's test

Gerhardt’s test is a type of laboratory test which is performed for the qualitative detection of ketone bodies in urine.

Rothera’s test – Definition, Principle, Procedure, Result

results of Rothera’s test

Acetoacetic acid and acetone react with an alkaline solution of sodium nitroprusside to form a purple-colored complex. This method can detect above 1-5 mg/dl of acetoacetic acid and 10-20 mg/dl of acetone. Beta-hydroxybutyrate is not detected.