2,4,6-Triphenylpyrylium Cations as Derivatization Reagents for Sulfide Ions Detection in TLC
作者:Robert Zakrzewski、Witold Ciesielski、Agnieszka Ulanowska、Ramón Martínez-Máñez
DOI:10.1080/10426500902855158
日期:2009.5.14
report a study of the use of 2,4,6-triphenylpyrylium salts as derivatization reagents for the simple detection of sulfide ions in thin-layer chromatography (TLC). The principle of the presented method is based on the transformation of 2,4,6-triphenylpyrylium compounds into the parent thiopyrylium derivatives upon reaction with sulfide ions. The derivatization reaction took place in a tube or directly
我们报告了使用 2,4,6-三苯基吡喃盐作为衍生试剂在薄层色谱 (TLC) 中简单检测硫化物离子的研究。所提出的方法的原理是基于 2,4,6-triphenylpyrylium 化合物在与硫化物离子反应后转化为母体 thiopyrylium 衍生物。在展开步骤之前,衍生反应在管中或直接在 TLC 板上进行。作为硫化物与 2,4,6-三苯基吡喃衍生物反应的结果,这些斑点在无色背景上变成可见的黄色或蓝色斑点。斑点稳定了几个小时。检测限为每点水平 pmol,取决于所用的三苯基吡喃盐和检测方法。