平台石墨炉原子吸收法直接测定全血中痕量锗  

Direct Determination of Germanium in Blood by Platform Graphite Furnace AAS

作　　者：陈振玲[1] 蒋守规[1] 

机构地区：[1]河北省农林科学院谷子研究所,河北大学环境化学研究室

出　　处：《分析测试学报》1995年第1期57-60,共4页Journal of Instrumental Analysis

摘　　要：研究了基体改进剂及其用量、锗的灰化和原子化温度以及６种共存离子的干扰。采用银和硝酸铵混合液作基体改进剂，锗的灵敏度高，提高了方法的选择性，样品不需消化与分离，可采用平台石墨炉法直接测定血样中的痕量锗。The matrix modification,germanium ashing and atomization temperature,and the interference of six coexistent ionic species have been investigated,A mixture of strontium and ammonium nitrate has been used as the matrix modifier.As compared with other modifiers,the above modifier provides some improvement in the sensitivity and selectivity of the determination of germanium by platform GFAAS.The method can be used directly for the analysis of blood samples without preliminary digestion and separation.

关 键 词：石墨炉 基体改进剂 锗 原子吸收法 血 

分 类 号：Q592.1[生物学—生物化学] O614.431[理学—无机化学]