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Spectrophotometric determination of trace Aluminium in marine bio-materials

Hui Zhong Xu

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Abstract

A Spectrophotometric method has been developed for rutin-Aluminium.The optimal conditions were discussed.In NaAc-HAc buffer solution the method possessed a linear detection range of 0～0.6mg/L for aluminium.The maximum absorbance of complex was obtained at 410nm with molar absorptivity of 1.7×104 L/(mol.cm).The interfering effect could be effectively eliminated by methyl isobutyl ketone extraction after chlating with DDTC.Satisfactory results were obtained for the determination of aluminium in several kinds of seafoods with RSD less than 6% and recoveries between 96%～109%.

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What this paper is about

A Spectrophotometric method has been developed for rutin-Aluminium.The optimal conditions were discussed.In NaAc-HAc buffer solution the method possessed a linear detection range of 0～0.6mg/L for aluminium.The maximum absorbance of complex was obtained at 410nm with molar absorptivity of 1.7×104 L/(mol.cm).The interfering effect could be effectively eliminated by methyl isobutyl ketone extraction after chlating with DDTC.Satisfactory results were obtained for the determination of aluminium in several kinds of seafoods with RSD less than 6% and recoveries between 96%～109%.

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Available abstract

A Spectrophotometric method has been developed for rutin-Aluminium.The optimal conditions were discussed.In NaAc-HAc buffer solution the method possessed a linear detection range of 0～0.6mg/L for aluminium.The maximum absorbance of complex was obtained at 410nm with molar absorptivity of 1.7×104 L/(mol.cm).The interfering effect could be effectively eliminated by methyl isobutyl ketone extraction after chlating with DDTC.Satisfactory results were obtained for the determination of aluminium in several kinds of seafoods with RSD less than 6% and recoveries between 96%～109%.

Key concepts: Molar absorptivity, Absorbance, Aluminium, Rutin, Extraction (chemistry), Methyl isobutyl ketone, Chemistry, Spectrophotometry

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