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2009•Chinese Journal of Health Laboratory TechnologyRequires access

Determination of aluminium in flour products by microwave digested-inductively coupled plasma mass spectrmetry

Lijuan Zeng

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Abstract

Objective:To establish a method for determination of aluminium in flour products by microwave digested-inductively coupled plasma mass spectrometry(ICP-MS).Methods:The samples were digested by microwave and the aluminium in the digest detected by ICP-MS.Results:The detection limit of the ICP-MS method was 0.425 mg/kg.The RSD was lower than 1.5%.The recoveries were in the range of 95.2%~101.2%.The results of detection of standard reference materiel were satisfactory.Conclusion:This is a simple,sensitive and accurate method with few interference and good reproducibility.It is suitable for determination of aluminium in flour products.

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What this paper is about

Objective:To establish a method for determination of aluminium in flour products by microwave digested-inductively coupled plasma mass spectrometry(ICP-MS).Methods:The samples were digested by microwave and the aluminium in the digest detected by ICP-MS.Results:The detection limit of the ICP-MS method was 0.425 mg/kg.The RSD was lower than 1.5%.The recoveries were in the range of 95.2%~101.2%.The results of detection of standard reference materiel were satisfactory.Conclusion:This is a simple,sensitive and accurate method with few interference and good reproducibility.It is suitable for determination of aluminium in flour products.

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Available abstract

Objective:To establish a method for determination of aluminium in flour products by microwave digested-inductively coupled plasma mass spectrometry(ICP-MS).Methods:The samples were digested by microwave and the aluminium in the digest detected by ICP-MS.Results:The detection limit of the ICP-MS method was 0.425 mg/kg.The RSD was lower than 1.5%.The recoveries were in the range of 95.2%~101.2%.The results of detection of standard reference materiel were satisfactory.Conclusion:This is a simple,sensitive and accurate method with few interference and good reproducibility.It is suitable for determination of aluminium in flour products.

Key concepts: Inductively coupled plasma mass spectrometry, Microwave digestion, Detection limit, Chemistry, Inductively coupled plasma, Aluminium, Chromatography, Microwave

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