碱土金属元素的微等离子体炬原子发射光谱法测定  

DETERMINATION OF ALKALI EARTH METAL BY MICROWAVE PLASMA TORCH ATOMIC EMISSION SPECTROMETRY

作　　者：张寒琦[1] 汪英[1] 袁湘林[1] 金钦汉[1] 

机构地区：[1]吉林大学化学系

出　　处：《光谱学与光谱分析》1997年第6期32-35,共4页Spectroscopy and Spectral Analysis

基　　金：国家自然科学基金

摘　　要：用微波等离子体炬原子发射光谱法（ＭＰＴ－ＡＥＳ）测定了一些碱土金属元素。考察了ＭＰＴ－ＡＥＳ测定这些元素的条件及共存物的影响情况。测定Ｂｅ，Ｍｇ，Ｃａ，Ｓｒ和Ｂａ的检出限分别为０．４７，１．４，０．１５，０．２０和２．６ｎｇ／ｍＬ。将所确定的方法用于一些实际样品中Ｂａ和Ｍｇ的测定，结果准确。Determination of alkali earth metal by microwave plasma torch atomic emission spectrometry (MPT AES) was investigated.Operating conditions the effects of some coexistent elements were examined.Detection limits for Be,Mg,Ca,Sr and Ba are 0 47,1 4,0 15,0 20 and 2 6ng/mL,respectively.Method has been applied to analyse some actual samples with satisfactory results.

关 键 词：碱土金属 微波等离子体炬 原子发射光谱法 

分 类 号：O614.2[理学—无机化学]