On-line solid phase extraction system for chromium determination in water samples by flow injection-flame atomic absorption spectrometry

被引：43
作者：
Saracoglu, S
Soylak, M [1 ]
Elci, L
机构：
[1] Erciyes Univ, Fac Art & Sci, Dept Chem, TR-38039 Kayseri, Turkey
[2] Pamukkale Univ, Fac Art & Sci, Dept Chem, TR-20020 Denizli, Turkey
来源：
ANALYTICAL LETTERS | 2002年 / 35卷 / 09期
关键词：
flow injection; solid phase extraction; preconcentration; separation; Chromotrope 2R coated Amberlite XAD-1180 resin;
D O I：
10.1081/AL-120006727
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An on-line solid phase extraction system has been established for flow injection flame atomic absorption spectrometric determination of chromium on Chromotrope 2R coated Amberlite XAD-1180 (2R-1180) resin. Some parameters such as pH, flow rates of sample and elution solution, matrix effects on the quantitative recoveries of chromium from the resin were examined. The detection limit (3sigma) was 2.59 mug/L for preconcentration at 6.5 mL/min. The method was applied for the determination of traces chromium in natural water samples with satisfactory results (relative standard deviations below 5%, recoveries >95%).
引用
收藏
页码：1519 / 1530
页数：12
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