Atomic Fluorescence Spectrometric Determination of Trace Selenium in Chinese Date

doi:10.7506/spkx1002-6630-200912028

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (12): 144-146.doi: 10.7506/spkx1002-6630-200912028

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Atomic Fluorescence Spectrometric Determination of Trace Selenium in Chinese Date

ZHANG Fu-wei，HOU Dong-yan，HUI Rui-hua

(Department of Chemistry, Anshan Normal University, Anshan 114007, China)

Received:2008-09-16 Revised:2009-01-08 Online:2009-06-15 Published:2010-12-29
Contact: ZHANG Fu-wei， E-mail:fuweizhang-2005@163.com

Abstract

Abstract:

An atomic fluorescence spectrometric method was developed to determine trace selenium in Chinese date by taking 10% HCl solution as the current-carrying solution, selecting 2.0% potassium borohydride solution to enhance fluorescence intensity, and eliminating the disturbance of Pb2+, Cu2+ and Ag+ by enrichment with mercapto cotton and masking with thioureaascorbic acid. Results showed that the linear range and detection limit were 1.0－32.0 ng/ml and 0.57 ng/ml, respectively; the recovery varied from 99.0% to 106.3% and the RSD was lower than 1.71%.

Key words: Chinese date, selenium, atomic fluorescence spectrometry

CLC Number:

TS207 .3

ZHANG Fu-wei，HOU Dong-yan，HUI Rui-hua. Atomic Fluorescence Spectrometric Determination of Trace Selenium in Chinese Date[J]. FOOD SCIENCE, 2009, 30(12): 144-146.

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Atomic Fluorescence Spectrometric Determination of Trace Selenium in Chinese Date

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