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Multi-dye residue analysis of triarylmethane, xanthene, phenothiazine and phenoxazine dyes in fish tissues by ultra-performance liquid chromatography-tandem mass spectrometry.

ultra-performance liquid chromatography-tandem mass spectrometry. Samples were extracted with acetonitrile, followed by an oxidation step using 2,3-dichloro-5,6-dicyanobenzoquinone. Further clean-up was performed by ...

Characterization of suspected illegal skin whitening cosmetics.

EU market. A newly developed screening method using ultra high performance liquid chromatography-time off flight-mass spectrometry allows routine analysis of suspected products. 163 suspected skin ...

Energy Drink Consumption among Adolescents Attending Schools in Lubumbashi, Democratic Republic of Congo.

analysed by High Performance Liquid Chromatography with Ultra-Violet spectrometry (HPLC- UV). RESULTS: Of 338 pupils (54% girls), 63% reported having consumed at least one ED in the last week and 34% drank ...

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