X-射线荧光光谱测定人发中微量元素锌、铜、铁、钙、钛、锰和锶
DETERMINATION OF TRACE Zn, Cu,Fe, Ca,Ti, Mn AND Sr IN HUMAN HAIR BY X-RAY FLUORESCENCE SPECTROSCOPY
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摘要: 本文利用X射线荧光光谱仪,一次测定人发中Zn,Cu,Fe,Ca,Ti,Mn和Sr等七种元素.人工配制标样,回归法求取工作曲线常数,散射内标法校正基体效应.检出限低于人发微量元素的平均含量范围,准确度用国际人发标样NIES对比,结果令人满意.Abstract: Trace amounts of seven elements, Zn,Cu,Fe,Ca,Ti, Mn and Sr, in human hair,have been analysed simultaneously by XRF. The procedure for sample preparation is quite simple. Experimental results indicated that the detection limit and accuracy of the method are both satisfactory.
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