食品工业科技2017，Vol.38Issue(24)：248-252,258,6.DOI:10.13386/j.issn1002-0306.2017.24.048
超声辅助溶剂棒微萃取-液相色谱法快速测定婴儿配方奶粉中的双酚A
Rapid determination of bisphenol A in infant formula milk powder by ultrasound-assisted solvent bar microextraction coupled with high performance liquid chromatography
摘要
Abstract
A technique for the rapid determination of bisphenol-A (BPA) in infant formula milk powder was developed by ultrasound-assisted solvent bar microextraction coupled with high performance liquid chromatography.The system of ultrasound -assisted solvent bar microextraction was designed.The optimized microextraction conditions were as follows:the length of solvent bar was 30 mm,1-octanol was used as the extraction solvent,the stirring rate was 600 r/min,the ultrasonic time was 10 min and the extraction time was 15 rain,the pH of sample solutions was 6,0.12 mol/L of NaOH was used as the acceptor phase,the concentration of NaCl was 60 g/L Under the optimal microextraction conditions,the average enrichment factor was 102,the linear range was 0.1 ～ 100 μg/L (r =0.9989),the limits of detection was 0.35 μg/L (S/N =3),and the relative standard deviations(RSD)was lower than 4.32％ (n =6).The proposed method was applied to the determination of BPA in infant formula milk powder samples.The spiked recoveries were in the range of 89.7％ ～102.8％.It was showed that the proposed method was environmentally for the rapid determination of BPA in infant formula milk powder.关键词
双酚A/婴儿配方奶粉/超声辅助溶剂棒微萃取(UA-SBME)/高效液相色谱(HPLC)Key words
bisphenol A (BPA)/infant formula milk powder/ultrasound-assisted solvent bar microextraction (UA-SBME)/high performance liquid chromatography(HPLC)分类
轻工纺织引用本文复制引用
王力,刘姝妤,赵雯,陈百玲,潘家荣..超声辅助溶剂棒微萃取-液相色谱法快速测定婴儿配方奶粉中的双酚A[J].食品工业科技,2017,38(24):248-252,258,6.基金项目
湖北省教育厅科研项目(B2015256) （B2015256）
宜昌市科技局自然基础科学研究与应用专项(A15-302-a05) （A15-302-a05）
三峡大学科学基金项目(KJ2013B070). （KJ2013B070）
