节点文献
混合基体改进剂石墨炉原子吸收法测定锗的方法研究
A Study on Direct Determation of Trace Germanium by GFAAS and Mixed Matrix Modifier
【摘要】 石墨炉原子吸收法,涂钼热解管,Pt-Ni混合基体改进剂,Zeeman效应扣除背景,在1400℃灰化温度下直接测定锗,方法简单,稳定,结果满意。特征质量为20.3pg/0.0044A。
【Abstract】 Under conditions of using Mo-coated pyrolytic graphite tube,Pt-Ni mixed matrix modifier and pyrolysis temperature at 1400℃,germanium in coal residue from boiler is determined by GF-AAS directly,The method is covenient stable and precise.The characteristic mass is 2 0.3 pg/0.0044A. The coefficient of variation is 1.5%~4.9%.The recovery ratio is 94%~103%.
【关键词】 锗;
Pt-Ni混合基体改进剂;
锅炉煤渣。;
【Key words】 Germanium; Pt-Ni mixed modifier; Coal residue from boiler.;
【Key words】 Germanium; Pt-Ni mixed modifier; Coal residue from boiler.;
- 【文献出处】 分析测试学报 ,JOURNAL OF INSTRUMENTAL ANALYSIS , 编辑部邮箱 ,1994年04期
- 【分类号】TQ533.1
- 【被引频次】5
- 【下载频次】34