在线分离富集FI分光光度法直接测定铜  

ON-LINE PRECONCENTRATION FLOW INJECTION SPECTROBHOTOMETRY IN DIRECT DETERMINATION OF COPPER

作　　者：余萍[1] 于振安[1] 

机构地区：[1]东北大学化学系

出　　处：《环境保护科学》1995年第3期32-34,共3页Environmental Protection Science

基　　金：中科院沈阳FIA重点实验室基金

摘　　要：本文针对ＡＡＳ法测定痕量铜时，大量铁存在表现干扰，研究并建立了流动注射（ＦＩ）在线螯合树脂分离富集光度法直接测定痕量铜的新方法，具有灵敏度高、选择性强；因此，已成功地用于水样中痕量铜的测定，该法在水质检验和环境监测中有一定的适用性．In this paper a new sensitive and selective analytical metnod for determination of trace amounts of copper is proposed. The method was used on the basis of on-line preconcentration by chelate resin and flow injection Spectrophotometry technique. The linear range of the working curves is 0-120ng/ml and the detection limit is 1.85ng/ml Cu(Ⅱ). The method was applied to the determination of Cu(Ⅱ)in water with satisfactory results.

关 键 词：流动注射分析 在线分离富集 分光光度法 铜 

分 类 号：X132[环境科学与工程—环境科学]