Question

What is the concentration of dnph for estimation of gibberellic acid?

Answer 1

Answer:

alcoholic KOH Acidity of 2,4-DNPH reagent, N 0.1-2.0 0.2 1.5 0.5 Color stability 0.0-48hr. of 10% was selected. Concentration of 2,4-Dinitrophenylhydrazine.- With a maximum final concentration of 10 mcg./ml. of gibberellic acid, in a total volume of 40 ml., 0.4- 1.0 mg.