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本文对微量钾、钠及锂作原子吸收分光光度测定,并对共存碱金属及碱土金属的干扰进行了研究。以加入法消除干扰,可测定20～80ppb钾、钠及锂。
In this paper, trace amounts of potassium, sodium and lithium were determined by atomic absorption spectrophotometry and the interference of coexisting alkali metals and alkaline earth metals was studied. To join the law to eliminate interference can be determined 20 ~ 80ppb potassium, sodium and lithium.