碱性氢化物发生-火焰原子吸收光谱法测定锡  

Determination of Tin Utilizing Hydride Generation from Alkaline Solution by Flame Atomic Absorption Spectrometry

作　　者：李建强[1] 吴永明[1] 黄飞雪 

机构地区：[1]北京科技大学化学分析中心

出　　处：《分析试验室》1998年第5期57-59,共3页Chinese Journal of Analysis Laboratory

摘　　要：对Ｓｎ－ＮａＯＨ－ＫＢＨ４体系进行了系统研究，采用三乙醇胺－ＥＤＴＡ联合干扰抑制剂，可消除一定量铁及合金元素的干扰；对于锡含量小于０．０１％的试样，用苯萃取锡后所有元素不干扰测定。测定液中锡量为０～４μｇ／１０ｍＬ呈线性关系，灵敏度为０．００４ｍｇ／Ｌ／１％，检出限为０．００８ｍｇ／Ｌ，测定钢中大于０．００１％锡，结果满意。In this paper ,the hydride generation of Sn from Sn NaOH KBH 4 was studied.The EDTA TEA was used to eliminate the interference of Fe and other ions.The calibration curve was linear in the range of 0～4μg Sn,the sensitivity and detection limit were 0.004μg/mL/1% and 0.008mg/L,respectively .The method has been used to determine Sn in steel with safistactory results.

关 键 词：锡 碱性氢化物发生 光度法 分析 

分 类 号：O614.432[理学—无机化学]