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DETERMINATION OF TRACE Zn, Fe, Ca AND Mg IN HAIR BY FIAME ATOMIC ABSORPTION SPECTROPHOTOMETRY

Dong Yinge

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Abstract

This paper reports the development of the determination of trace metals Zn,Fe,Ca and Mg in hair by flame atomic absorption spectrophotometry. The method is convenient to determine elements in hair. The results show that the method has good precision and accuracy. The relative standard deviations of Zn,Fe,Ca and Mg were 2. 9 %, 1. 9 %, 1. 3 % and 3. 4 %respectively, and the rates of recovery were 107 %, 93. 2 %, 92. 5 % and 91 % respectively.

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What this paper is about

This paper reports the development of the determination of trace metals Zn,Fe,Ca and Mg in hair by flame atomic absorption spectrophotometry. The method is convenient to determine elements in hair. The results show that the method has good precision and accuracy. The relative standard deviations of Zn,Fe,Ca and Mg were 2. 9 %, 1. 9 %, 1. 3 % and 3. 4 %respectively, and the rates of recovery were 107 %, 93. 2 %, 92. 5 % and 91 % respectively.

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Available abstract

This paper reports the development of the determination of trace metals Zn,Fe,Ca and Mg in hair by flame atomic absorption spectrophotometry. The method is convenient to determine elements in hair. The results show that the method has good precision and accuracy. The relative standard deviations of Zn,Fe,Ca and Mg were 2. 9 %, 1. 9 %, 1. 3 % and 3. 4 %respectively, and the rates of recovery were 107 %, 93. 2 %, 92. 5 % and 91 % respectively.

Key concepts: Atomic absorption spectroscopy, Spectrophotometry, Chemistry, Relative standard deviation, Analytical Chemistry (journal), Zinc, Absorption (acoustics), Materials science

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