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Determination of Trace Phenol by Ion Chromatography

Lu Bosheng (Hangzhou Environmental Protection Company) Zhu Yan (Testing & Technology Institute of Zhejiang Province)  
The determination of trace phenol by ion chromatography was introduced and the optimization of conditions and effection of interferences were discussed. The phenol was separated in MPIG-NGl column with 40% CH_3CN/60% 0.2M KH_2PO_4 and detected by amperometer detector with Pt electrode. The detection limit was 10ng/ml (S/N=2). 0.5μg/ml phenol, the RSD% less than 2%.
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