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- W2079681664 abstract "We 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 on the TLC plate before the developing step. As a consequence of the reaction of sulfide with the 2,4,6-triphenylpyrylium derivatives, the spots became visible as yellow or blue spots on a colorless background. Spots were stable for several hours. The detection limit is at pmol per spot level and depends on the triphenylpyrylium salt used and on the detection method." @default.
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- W2079681664 date "2009-04-28" @default.
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- W2079681664 title "2,4,6-Triphenylpyrylium Cations as Derivatization Reagents for Sulfide Ions Detection in TLC" @default.
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- W2079681664 doi "https://doi.org/10.1080/10426500902855158" @default.
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