【摘要】 研究并建立了电感耦合等离子体发射光谱法直接测定纯金中镁和锡的方法 ,检出限分别为 0 .0 0 4 7μg/ml和 0 .0 14 μg/ml,平均回收率为 10 2 .6 %和 10 0 .0 % ,相对标准偏差为 0 .39%～6 .94 %。更多还原

【Abstract】 The paper studies the direct method of determining Mg and Sn with inductively coupled plasma spectrometer,the DL of which are 0.004 7μg/ml and 0.014μg/ml,the average recovery rate are 102.6% and 100.0% respectively,and the RSD are from 0.39% to 6.94%.更多还原