热激活电池正极粉中含钙量的测定

Measurement of Calcium in Positive Powder of Thermal-activated Battery

研究与应用氧化亚氮－乙炔火焰原子吸收光谱法分析测定热激活电池正极粉中的含钙量。分析了影响测试结果的各种因素。该方法具有很好的灵敏度、干扰少、重现性好、准确度、精确度均能满足热激活电池研制工作的要求。测定样品含钙量相对标准偏差均小于1．0％。加入标准回收率为97％～102％。适用于热电池正极粉中含钙量的控制分析和样品系统分析。

Calcium in Positive powder of thermal-activated battery measured by atomic absorption spectroscopy with Nitrogen Monoxide was studied and reported in this paper. All kinds of factors affected the testing results were analyzed. The method has the advantages of high sensitivity, small disturbance and good reapperance. The relating standard deviation is smaller than 1. 0 % and the standard adding recovery within the limit of 97. 0 % ～102. 0 %. The method is fully suitable for control analysis of Positive powde...