HG-AFS测定西藏日多温泉水中砷的形态  

Speciation analysis of arsenic in hot spring water by HG-AFS

作　　者：李虹丽[1] 陈铁爻[1] 张学梅[1] 苏庆平[1] 王祝 

机构地区：[1]成都理工大学材料与化学化工学院,四川成都610059 [2]西藏地勘局中心实验室,西藏拉萨851600

出　　处：《化学研究与应用》2013年第4期584-587,共4页Chemical Research and Application

摘　　要：本文采用氢化物发生-原子荧光光谱法(HG-AFS)测定温泉水中砷的形态,重点研究了西藏温泉水中砷的存在形态,发现水中除常见的砷酸盐[砷(Ⅴ)]、亚砷酸盐[砷(Ⅲ)]和有机砷外,还存在悬浮态砷。实验结果表明,西藏温泉水中砷的形态分布呈现出五价砷>三价砷>悬浮态砷>有机砷的特征,讨论了各形态态砷的相互影响因素,为进一步开发利用西藏温泉提供了科学依据。This paper studied the arsenic species existed in the Tibet hot spring water by hydride generation atomic fluorescence spectrometry, and found that besides the common arsenate [ arsenic （V） ], arsenite [ arsenic （III） ] and organic arsenic, suspended arsenic also exists. The experimental results showed that the distribution/concentration of arsenic species in the Tibet＇ s hot spring water has the fol｜owing characteristics ：Pentavalent arsenic〉Trivalent arsenic〉Suspended state of arsenic〉Organic arsenic. This paper discussed the factors of mutual influences among the various forms of arsenic ,providing scientific basis for further development and utilization of Tibet hot spring.

关 键 词：温泉水 无机砷 有机砷 悬浮态砷 原子荧光光谱法 

分 类 号：O657.31[理学—分析化学]