A novel approach to Lab-In-Syringe Head-Space Single-Drop Microextraction and on-drop sensing of ammonia
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- 作者：Ivana &Scaron ; rá ; mková ; a ; b ; Burkhard Horstkottea ; b ; Horstkob@faf.cuni.cz" class="auth_mail" title="E-mail the corresponding author ; Hana Sklená ; řová ; a ; Petr Solicha ; Spas D. Kolevb
- 关键词：Lab-In-Syringe ; Head-space Single-Drop Microextraction ; Ammonia ; Kinetic on-drop sensing ; Bromothymol blue indicator ; Automation of sample preparation
- 刊名：Analytica Chimica Acta
- 出版年：2016
- 出版时间：31 August 2016
- 年：2016
- 卷：934
- 期：Complete
- 页码：132-144
- 全文大小：2070 K
文摘
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Development of a novel in-syringe head-space single drop micro-extraction approach.
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Drop formed at the end of a channel drilled through the syringe piston.
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Study of drop formation, size, sphericity, attachment, and optical performance.
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In-drop sensing of analyte enrichment for quantification of ammonium.
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Increased analyte evaporation into the HS by pressure decrease and sample stirring.