... 73chemical, 62, 108 postcolumn, 109 , 110 precolumn, 109 , 110 detectionamperometric, 98coulometric, 99detector, 86 -105 conductivity, 86diode array, 86, 90, 105 electrochemical, 86, 87, 98, 105 electroconductivity, ... pesticides.41Qualitative information 131fluorescence detection, 109 fluorescence detector, 87, 95, 105 fluorescent tag, 109 folic acid, 43folpet, 27 Food and Drug Administration (FDA), V food colors, 10 fragmentation, ... differ-ent days. Reproducibility applies to an analysis performedin more than one laboratory. Any HPLC method used in food analysis should be tested for both repeatability andreproducibility.The...