提出了离子色谱法测定环境水中苯酚含量的方法。样品采用三相中空纤维液相微萃取法萃取,以正辛醇为萃取溶剂,在600 r·min-1转速下萃取40 min。经SH-2 Anion色谱柱分离,以12 mmol·L-1氢氧化钠溶液为淋洗液洗脱。苯酚的质量浓度在1.00~500 μg·L-1范围内呈线性,方法的检出限(3S/N)为0.8 μg·L-1。方法用于地表水中苯酚的测定,加标回收率在90.1%~109%之间。

IC was used in the determination of phenol in environmental water. The sample was extracted by hollow fibrous membranes-three phase liquid phase micro-extraction with n-octyl alcohol as extraction solvent. The extraction was carried out under magnetic stirring for 40 min at the rate of 600 r·min-1. The SH-2 Anion column was used for separation, and 12 mmol·L-1 NaOH solutions was used as eluent. Linearity range of phenol was found between 1.00-500 μg·L-1, with detection limits (3S/N) of 0.8μg·L-1. The proposed method was applied to the determination of phenol in surface water, values of recovery found by standard addition method were in the range of 91.0%-109%.