摘要
ＰＯ３－４和Ｍｇ２＋是用火焰原子吸收分光光度法测定指甲中Ｃａ２＋时的主要干扰物质．本文选择ＬａＣｌ３作为干扰消除剂，对其抗干扰能力进行了研究，也分析了抗干扰的机理．
To reduce interferences of Mg 2+ and PO 3- 4, LaCl 3 has been selected as control interferences reagent. The ability of reducing the interfereces has been studied. a satisfied result has been obtained.
关键词
原子吸收
分光光度法
钙
指甲
Atomic absorption spectrophotometry
Calcium
Elements
