摘要
建立了用β-环糊精包被双酚A，使荧光强度增强，从而定量检测食品包装材料中双酚A含量的方法。在pH=4，波长λex／λem=282／318nm时，检出限为0．2μg／L，线性范围为1—10μg／L，回收率为98％～102％。本法检测灵敏、准确、快速简便。
A new method was developed for the direct determination of bisphenol A in packaging materials in the presence of β-CD by fluorescence spectrophotometry. Experimental results revealed that the enhanced fluorescence was due to the inclusion complex formed between bisphenol A and β-CD. The linear range was 1 -10μg/L with a detection limit of 0.2μg/L at λex/λem = 282/318 nm（ pH = 4）. The recovery range was 98% - 102% . The method is simple, rapid, sensitive and accurate. It has been applied to the determination of bisphenol A in food packaging materials with satisfactory results.
出处
《分析测试学报》
CAS
CSCD
北大核心
2006年第5期99-101,共3页
Journal of Instrumental Analysis
基金
国家自然科学基金资助项目(20277005)
福建省卫生厅青年基金资助项目(3002-801040001)
关键词
荧光法
双酚A
Β-环糊精
食品包装材料
Fluorescence
Bisphenol A
β-cyclodextrin
Food packaging materials
