Study of iodo-haloacetic acids using SPME-GC-MS/MS in chlorinated water

Abstract

The aim of the study was to develop, optimize and validate an analytical method for the simultaneous identification of iodine haloacetic acids (I-HAAs) drinking water using the technique of Gas-Chromatographic separation coupled with mass spectrometry (GC-MS/MS). The sample screening an analytes detection was performed on an Agilent 7890B gas chromatograph coupled with an Agilent 7010B triple quadrupole mass spectrometer (MS/MS). The separation of the compounds was achieved using a VF-1710 column (30m x 250mm x 0.25mm). Elution was performed with helium, 1 mL/min, with oven operating at folowing program: 35°C (6 min), 10 °C/min up to 220°C (6 min). For the extraction of I-HAAs from water samples, Solid Phase Microfiber Extraction (SPME) with arow 1.1 mm 120 μm Divinylbenzene/Carbon Wide Range/Polydimethylsiloxane (DVB/C-WR/PDMS) fiber was used.