dinitrophenylhydrazine test
Definition: a screening test for maple syrup urine disease; the addition of 2,4-dinitrophenylhydrazine in HCl to urine gives a chalky white precipitate in the presence of ketoacids.
Definition: a screening test for maple syrup urine disease; the addition of 2,4-dinitrophenylhydrazine in HCl to urine gives a chalky white precipitate in the presence of ketoacids.