HPLC Method for Separation of a Mixture of Resorcinol, N,N-Bis (2-hydroxy)-p-phenylenediamine, p-Phenylenediamine and 1-Naphthol on Primesep 100 Column

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Chromatogram

Method Parameters

Mobile PhaseMeCN/H2O – 30/70%
BufferH2SO4 -0.2%
Flow Rate1.0 ml/min
DetectionUV 210 nm
SamplesN,N-Bis(2-hydroxy)-p-phenylenediamine (0.7 mg/mL)p-Phenylenediamine (1.3 mg/mL)1-Naphthol (0.18 mg/mL)Resorcinol (0.28 mg/mL)
Injection volume3 µl
Class of CompoundsPhenols, Aromatic amines
Analyzing CompoundsResorcinol,1-Naphthol,N,N-Bis(2-hydroxy)-p-phenylenediamine sulfate,p-Phenylenediamine

HPLC Column Used

Primesep 100, 4.6 x 150 mm, 5 µm, 100 A, dual ended