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2007•Journal of Hebei Normal UniversityRequires access

Determination of Trace Element in Potherbs by Microwave Digestion and FAAS

Zhao Ai-dong

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Abstract

The use of microwave digestion in the determination of K,Na,Ca,Cd,Cu,Mn,Pb,Mg,Fe in potherbs by FAAS was described.The optical condition of microwave digestion and FAAS measurement were also investigated.Compared with traditional wet digestion method,microwave digestion could be done more rapidly and effectively and displayed a lower background.Applied to the determination trace elements in potherbs the method proved to be selective with satisfactory recovery of 96*!%～104*!% and relative standard deviation of (1.02*!%～3.30*!%.)

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What this paper is about

The use of microwave digestion in the determination of K,Na,Ca,Cd,Cu,Mn,Pb,Mg,Fe in potherbs by FAAS was described.The optical condition of microwave digestion and FAAS measurement were also investigated.Compared with traditional wet digestion method,microwave digestion could be done more rapidly and effectively and displayed a lower background.Applied to the determination trace elements in potherbs the method proved to be selective with satisfactory recovery of 96*!%～104*!% and relative standard deviation of (1.02*!%～3.30*!%.)

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Available abstract

The use of microwave digestion in the determination of K,Na,Ca,Cd,Cu,Mn,Pb,Mg,Fe in potherbs by FAAS was described.The optical condition of microwave digestion and FAAS measurement were also investigated.Compared with traditional wet digestion method,microwave digestion could be done more rapidly and effectively and displayed a lower background.Applied to the determination trace elements in potherbs the method proved to be selective with satisfactory recovery of 96*!%～104*!% and relative standard deviation of (1.02*!%～3.30*!%.)

Key concepts: Digestion (alchemy), Microwave digestion, Trace element, Microwave, Relative standard deviation, Analytical Chemistry (journal), Chemistry, Chromatography

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