Metrohm has developed a simple method for the analysis of four different phenols in a variety of matrices using ion chromatography (IC).
As long as the sample can be solved into the mobile phase, the quantities of phenol, cresol, dimethylphenol and trimethylphenol can be determined in less than 16 minutes, according to the company.
The separation of the four phenols is performed using a potassium nitrate/sulphuric acid/methanol mobile phase with a C18 separation column.
The method is pulsed amperometric detection using a glassy carbon electrode.
By applying three different working potentials in sequence, the working electrode is cleaned and regenerated after measurement, preventing fouling.
The flow cell is maintenance free.
