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2002•Chinese Journal of Spectroscopy LaboratoryRequires access

Determination of Trace Element in Hair of Mental Patients by Microwave Oven High-pressure Digestion- Flame Atomic Absorption Spectrophotometry

Huang Sen

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Abstract

A method of determining trace elements (Cu,Zn,Fe and Mn) by microwave oven high-pressure digestion-flame atomic absorption spectrophotometry was proposed. The detection limits of this method are 0.001μg/mL (Cu 2+,Zn 2+,Mn 2+) and 0.005μg/mL (Fe 3+). The response is linear over the range of 0.1-2.5μg/mL for Cu 2+and Zn 2+,0.1-1.0μg/mL for Mn 2+,0.1-5.0μg/mL for Fe 3+,respectively with a correlation coefficient of 0.9997-0.9999.This method has been successfully applied to the determination of Cu,Zn,Fe and Mn in hair.

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What this paper is about

A method of determining trace elements (Cu,Zn,Fe and Mn) by microwave oven high-pressure digestion-flame atomic absorption spectrophotometry was proposed. The detection limits of this method are 0.001μg/mL (Cu 2+,Zn 2+,Mn 2+) and 0.005μg/mL (Fe 3+). The response is linear over the range of 0.1-2.5μg/mL for Cu 2+and Zn 2+,0.1-1.0μg/mL for Mn 2+,0.1-5.0μg/mL for Fe 3+,respectively with a correlation coefficient of 0.9997-0.9999.This method has been successfully applied to the determination of Cu,Zn,Fe and Mn in hair.

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Available abstract

A method of determining trace elements (Cu,Zn,Fe and Mn) by microwave oven high-pressure digestion-flame atomic absorption spectrophotometry was proposed. The detection limits of this method are 0.001μg/mL (Cu 2+,Zn 2+,Mn 2+) and 0.005μg/mL (Fe 3+). The response is linear over the range of 0.1-2.5μg/mL for Cu 2+and Zn 2+,0.1-1.0μg/mL for Mn 2+,0.1-5.0μg/mL for Fe 3+,respectively with a correlation coefficient of 0.9997-0.9999.This method has been successfully applied to the determination of Cu,Zn,Fe and Mn in hair.

Key concepts: Atomic absorption spectroscopy, Microwave oven, Microwave digestion, Analytical Chemistry (journal), Detection limit, Chemistry, Spectrophotometry, Linear range

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Determination of Trace Element in Hair of Mental Patients by Microwave Oven High-pressure Digestion- Flame Atomic Absorption Spectrophotometry — Research Paper | ScholarLens