Stepwise injection potentiometric determination of caffeine in saliva using single-drop microextraction combined with solvent exchange
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- 作者：I. Timofeeva ; timofeeva.irina.7@gmail.com" class="auth_mail" title="E-mail the corresponding author ; K. Medinskaia ; L. Nikolaeva ; D. Kirsanov ; A. Bulatov
- 关键词：Caffeine ; Saliva ; Single-drop liquid microextraction ; Stepwise injection analysis ; Caffeine sensor
- 刊名：Talanta
- 出版年：2016
- 出版时间：1 April 2016
- 年：2016
- 卷：150
- 期：Complete
- 页码：655-660
- 全文大小：663 K
文摘
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Stepwise injection potentiometric analysis with a single-drop liquid microextraction.
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Technique combined with solvent exchange based on flow system.
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Caffeine, theophylline, theobromine and paraxanthine separation.
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First flow potentiometric determination of caffeine.
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First flow method for caffeine determination in saliva.