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Citation: CHEN Zhong-Lan, ZHAI Tong-De. Determination of Copper in Water by FI-AAS with Microcolumn On-line Preconcentration[J]. Chinese Journal of Applied Chemistry, ;2009, 26(2): 243-245. shu

Determination of Copper in Water by FI-AAS with Microcolumn On-line Preconcentration

CHEN Zhong-Lan ^, ,
ZHAI Tong-De

1.
Sichuan Key Laboratory of Chemical Application and Pollution Control Technology, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002

Corresponding author: CHEN Zhong-Lan,
Received Date: 10 February 2008
Available Online: 5 June 2008
Fund Project: 四川省教育厅重点基金资助项目(2003A101) (2003A101)

We changed the sampling caput of a micro sample injector into micro-conical column where 1,3-propane diamine chelating cotton collulose was packed as adsorption material,and micro conical absorption column was corporated into a combined system of flow injection and flame atomic absorption spectro-photometry(FIAAS).Determination of trace amounts of copper ion in environmental water samples by FIAAS and online preconcentration on micro-column was successfully realized,and the method was applied to Jialing River water samples with satisfactory results.Experiments indicated that the recovery was 99%~107.5% for copper ion and detection limit was 3.5 μg/L,and the RSD was 0.79%.
- flow injection,
- flame atomic absorption,
- on-line micro-column concentration,
- copper ion
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