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Determining Selenium Content in Wheat by HG-AFS with Microwave Digestion

Zhao Suolao, Duan Min, Sun Xintao, Bo Wang, Wen Rui-yun

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Abstract

To develop a simple and rapid method for defecting selenium in wheat, the effects of digestion (system), microwave, digestion duration etc on the selenium content in wheat detected by HGAFG were (evaluted), the working condition of equipment, sample digestion and the standard substrate were optimized.The result showed that the (selenium) in the 5 wheat samples was (identically) coincidence with the standard (substrate). The relative standard deviation of the 5 samples was (between) 5.44%~(8.21%). The detections limit was 0.052 (ng/ml), and the linear range was (between) 0 ~ 200 (ng/ml). This method have the features of easy, rapid and sensitive.

About this research paper

What this paper is about

To develop a simple and rapid method for defecting selenium in wheat, the effects of digestion (system), microwave, digestion duration etc on the selenium content in wheat detected by HGAFG were (evaluted), the working condition of equipment, sample digestion and the standard substrate were optimized.The result showed that the (selenium) in the 5 wheat samples was (identically) coincidence with the standard (substrate). The relative standard deviation of the 5 samples was (between) 5.44%~(8.21%). The detections limit was 0.052 (ng/ml), and the linear range was (between) 0 ~ 200 (ng/ml). This method have the features of easy, rapid and sensitive.

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Available abstract

To develop a simple and rapid method for defecting selenium in wheat, the effects of digestion (system), microwave, digestion duration etc on the selenium content in wheat detected by HGAFG were (evaluted), the working condition of equipment, sample digestion and the standard substrate were optimized.The result showed that the (selenium) in the 5 wheat samples was (identically) coincidence with the standard (substrate). The relative standard deviation of the 5 samples was (between) 5.44%~(8.21%). The detections limit was 0.052 (ng/ml), and the linear range was (between) 0 ~ 200 (ng/ml). This method have the features of easy, rapid and sensitive.

Key concepts: Selenium, Microwave digestion, Digestion (alchemy), Detection limit, Chemistry, Analytical Chemistry (journal), Substrate (aquarium), Chromatography

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