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ttteel ttteel
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6 years ago
Porphobilinogen may be differentiated from urobilinogen in urine by:
 
  A) Difference in chloroform solubility of Ehrlich's aldehyde derivatives
  B) Difference in reactivity with Ehrlich's aldehyde reagent
  C) Difference in fluorescence of Ehrlich's aldehyde derivatives
  D) Difference in precipitation with ammonium sulfate
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