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Назив: Investigation of p-chloroaniline formation in the reactions between different endodontic irrigants
Аутори: Bjelović, Ljiljana
Glišić, Biljana
Živković, Marija
Kanjevac, Tatjana
Датум издавања: 2019
Сажетак: The aim of this study was to determine whether p-chloroaniline (PCA) is formed in the reactions of sodium hypochlorite (NaOCl) with final rinse chlorhexidine (CHX), QMix (combination of ethylenediaminetetraacetic acid (EDTA), CHX and detergent) and EDTA/CHX solutions by thin-layer chromatography (TLC), proton nuclear magnetic resonance (1H NMR) and infrared (IR) spectroscopy. Commercially available 5.25% NaOCl solution was mixed with 2% CHX and QMix in 1:1 (v/v) ratio at room temperature. Furthermore, 2% CHX was associated with 17% EDTA under the same experimental conditions. The obtained solutions were evaluated qualitatively for color changing, precipitate and/or bubble formation and analyzed by TLC chromatography. The association products were investigated by spectroscopic (1H NMR and IR) methods in order to determine whether they contain PCA. It was found that interactions between NaOCl/CHX and CHX/EDTA led to forming of brown and white precipitate. When NaOCl was mixed with QMix, an orange-brown precipitate was formed. PCA was not detected as a product of the reactions between NaOCl and final rinse solutions of CHX, QMix and EDTA/CHX association.
URI: https://scidar.kg.ac.rs/handle/123456789/13293
Тип: article
DOI: 10.5937/KgJSci1941043B
ISSN: 1450-9636
Налази се у колекцијама:Faculty of Science, Kragujevac

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540

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40

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