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A derivatization approach using pyrylium salts for the sensitive and simple determination of sulfide in spring water by high performance liquid chromatography

Rembisz, Zaneta; Bzdurska, Dorota; Obiedzinska, Justyna; Martínez-Máñez, Ramón; Zakrzewski, Robert (Elsevier, 2015-08-14)

A high-performance liquid chromatography method based on pre-column derivatization with thepyrylium salts (4-[p-(N,N-dimethylamino)phenyl]-2,6-diphenylpyrylium perchlorate (LN1) and 2,4,6-triphenylpyrylium tetrafluoroborate ...
Thin-Layer Chromatographic Image Analysis for the Determination of Sulfide Ions Using Pyrylium Cations

Rembisz, Zaneta; Zakrzewski, Robert; Ciesielski, Witold; Skowron, Monika; Martínez Mañez, Ramón (Akadémiai Kiadó, 2014-08)

A highly specific and sensitive chromatographic method for the determination of sulfide ions was developed. The procedure is based on the sensitive and specific reaction of sulfide ions with 4-[p-(N,Ndimethylamino) ph ...

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