Determination of delta 4-3-ketosteroids by measurement of the absorbance of their 2,4-dinitrophenyl-hydrazones.
D000276:Adjuvants, Immunologic; D004136:Dinitrobenzenes; D006835:Hydrazones; D007664:Ketosteroids; D013256:Steroids / Q000032:analysis*
D000276:Adjuvants, Immunologic; D004136:Dinitrobenzenes; D006835:Hydrazones; D007664:Ketosteroids; D013256:Steroids
STEROIDS/determination