电感耦合等离子发射光谱法测定CO助燃剂中的铂
Chemical Engineering of Oil and Gas(2018)
Abstract
CO助燃剂中Al含量较高,对Pt的测定有显著的影响,以实际样品分别考察了基体匹配法和内标法消除样品中基体干扰的效果,建立了同时采用这两种方法消除Al的基体干扰的方法.比较了几种样品处理技术,确定了采用高温熔融技术制备CO助燃剂,电感耦合等离子发射光谱法测定CO助燃剂中的Pt.Pt的校准曲线相关系数为0.99993.还对样品进行了精密度和准确度考察,结果的相对标准偏差小于2%,回收率为98%~102%.
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