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《Journal of Anhui Agricultural Sciences》 2007-28
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Determination of Cr in Henna by Microwave Digestion and GFAAS

XU Ai-lie (Department of the Chemistry,Qinghai Normal University,Xining,Qinghai 810008)  
[Objective] To determine the Cr in Henna plant and the soil where Henna was planted.[Method] Microwave assisted heating and HCl-HNO3HF-HClO4 was applied to the digestion of Henna and soil samples,and the contents of Cr in Henna plant and soil were determined by GFAAS and ICP-AES.[Results] The Cr in Henna plant and soil were not high.The recovery was in the range of 96.9%~102.6% and the RSD was between 1.27% and 3.38%.[Conclusion] The method is rapid,accurate and reliable.It provides a feasible method to determine the contents of Cr and other trace elements in plants.
【CateGory Index】: R284
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