原子吸收法测定硬酯酸钙中微量钠钾离子的方法研究  

The determination of sodium and potassium in calcium stearic with FAAS

作　　者：刘东[1] 张嫦[1] 杨世奎 

机构地区：[1]西南民族学院化学与环境保护工程学院,成都610041 [2]贵州兴义师范学校,贵州兴义562400

出　　处：《西南民族学院学报（自然科学版）》2002年第2期234-235,共2页Journal of Southwest Nationalities College(Natural Science Edition)

摘　　要：研究用原子吸收分光光度法测定了硬酯酸钙中钠、钾的含量,方法可靠、快速、易行,其加标回收率分别在97.5～102.5%.96 7～103.3%之间,RSD低于3 15%和5.00%,方法结果令人满意,适合硬酯酸盐中微量钠钾的测定.This paper studies the method of determination of tiny sodium and potassium in calcium stearic with FAAS. It is reliable, fast and easy. The adds sample recoveries are found in the range Na+: 97.5%~102.5%, K+: 96.7%~103.3% and RSD'S obtained less Na+: 3.15%, K+: 5.00%. The study shows that the research method is satisfactory. It can be easily used to determine tiny Na+ and K+ in stearic.

关 键 词：原子吸收法 钾离子 硬酯酸钙 含量测定 钠离子 加标回收率 标准偏差 

分 类 号：O614.11[理学—无机化学] O657.31[理学—化学]