| 释义 |
dinitrophenylhydrazine test di·ni·tro·phen·yl·hy·dra·zine testa 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.di·ni·tro·phen·yl·hy·dra·zine test (dī'nī-trō-fē'nil-hī'dră-zēn test) 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. |