同步停流FIA分光光度法测定污水中的砷  

Determination of Trace Arsenic in Waste Water by Synchro-Stopped-Flow FIA with Spectrophotometric Detection

作　　者：王春旭[1] 刘国权[1] 牛典 高洪潮[3] 

机构地区：[1]河北轻化工学院环境工程系 [2]石家庄市少管所塑料厂 [3]河北化工学校

出　　处：《河北轻化工学院学报》1992年第3期27-30,37,共5页

摘　　要：以氢化物发生反应为为基础,利用自行设计制造的氢化物发生及吸收装置,设计了一种同步停流FIA分光光度法测定砷的系统,并将其用于污水中痕量砷的测定。实验选用AgNO_2-HNO_3-聚乙烯醇-乙醇混合液作为吸收液,样品测定速度为30次/h,相对标准偏差R.S.D=4.26％,该系统还具有操作简便的特点。A synchro-stopped-flow flow injection analysis (FIA) system with spectrophotometric detection was designed for the determination of trace arsenic in waste water. This FIA system is based on the reaction of hydride generation. The hydride generator and the absorbing device were of authors' own manufacture. The results show that this method is simple ,rapid ,sensitive and reproducible.

关 键 词：分光光度法 氢化物 砷 废水 

分 类 号：X832.02[环境科学与工程—环境工程]