基于固相萃取-高效液相色谱法的纺织品中三氯生的测定

纺织学报 ›› 2014, Vol. 35 ›› Issue (3): 98-0.

基于固相萃取-高效液相色谱法的纺织品中三氯生的测定

李志刚

浙江工业职业技术学院

收稿日期:2013-01-21 修回日期:2013-10-22 出版日期:2014-03-15 发布日期:2014-03-11
通讯作者: 李志刚 E-mail:nblzg66@163.com

Determination of triclosan in textiles by solid phase extraction - high performance liquid chromatography

Received:2013-01-21 Revised:2013-10-22 Online:2014-03-15 Published:2014-03-11

摘要/Abstract

摘要： 建立了纺织品中三氯生的固相萃取-高效液相色谱检测方法。样品经超声提取后，用固相萃取进行净化，Kromasil C18 柱（250 mm × 4.6 mm i.d., 5 μm）分离，采用水/乙腈 (15/85, V/V)为流动相，紫外检测波长为280 nm，外标法定量。实验结果显示：样品中的三氯生在0.1~20.0 mg/kg的浓度范围内呈良好的线性关系，最低检出限LOD为0.01mg/kg，定量检出限LOQ为0.05 mg/kg 。方法回收率在94.0%~100.4%之间，RSD 为2.0%~4.4% 。本方法简便、快速、专属性强、干扰少，能满足纺织品中三氯生的测定要求。

关键词: 纺织品, 三氯生, 高效液相色谱, 固相萃取

Abstract: A effective method for determination of triclosan in textiles by solid phase extraction - high performance liquid chromatography was developed. The samples were used by Ultrasonic Extraction, cleaned and enriched by a Sep-Pak? Vac Silica solid phase extraction(SPE) cartridge. The separation was performed on a Kromasil C18 column（250 mm × 4.6 mm i.d., 5 μm） by using the mobile phase consisting of H2O/CH3CN(15/85, V/V) . Detection was performed by 280 nm using extenal standard method. The result of experiment shows that calibration curve of triclosan was linear within the range of 0.1~20.0 mg/kg , the limit of detection was found to be 0.01 mg/kg,and the limit of quantification was found to be 0.05 mg/kg. The extraction recoveries were between 94.0% and 100.4% and the RSDs were 2.0%~4.4%. This method is found to be simple, quick, accurate, little interferential for the determination of triclosan residue in textiles.

Key words: textiles, triclosan, high performance liquid chromatography, solid phase extraction

李志刚. 基于固相萃取-高效液相色谱法的纺织品中三氯生的测定[J]. 纺织学报, 2014, 35(3): 98-0.

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