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2004•Journal of Instrumental AnalysisRequires access

Determination of Malachite Green and Its Metabolites in Aquatic Products Using HPLC - VIS and HPLC - TOF - MS

Xiao-Ming Fang

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Abstract

An extraction and clean - up protocol for the determination of malachite green and its metabolites in aquatic products has been developed. Final determination is by HPLC with visible (screening) or HPLC-TOF (confirmation) detection. Lead(Ⅳ) oxide was on-line to oxidise the leucomalachite green back to the parent after chromatographic separation and prior to detection. The procedure was validated down to 2μg/kg. The recoveries were in the range of 85.5%-90.0% and the RSD of 6.0%-7.3%.

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What this paper is about

An extraction and clean - up protocol for the determination of malachite green and its metabolites in aquatic products has been developed. Final determination is by HPLC with visible (screening) or HPLC-TOF (confirmation) detection. Lead(Ⅳ) oxide was on-line to oxidise the leucomalachite green back to the parent after chromatographic separation and prior to detection. The procedure was validated down to 2μg/kg. The recoveries were in the range of 85.5%-90.0% and the RSD of 6.0%-7.3%.

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Available abstract

An extraction and clean - up protocol for the determination of malachite green and its metabolites in aquatic products has been developed. Final determination is by HPLC with visible (screening) or HPLC-TOF (confirmation) detection. Lead(Ⅳ) oxide was on-line to oxidise the leucomalachite green back to the parent after chromatographic separation and prior to detection. The procedure was validated down to 2μg/kg. The recoveries were in the range of 85.5%-90.0% and the RSD of 6.0%-7.3%.

Key concepts: Chemistry, Malachite green, Chromatography, High-performance liquid chromatography, Extraction (chemistry), Detection limit, Aluminum oxide, Aluminium

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