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2011•Chinese Journal of Spectroscopy LaboratoryRequires access

Chemiluminescence Analysis Method of Lead Ions in Water

Ying Qu

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Abstract

A novel method for simple and rapid determination of Pb(Ⅱ)replacement coupling reaction was fanded by flow injection chemiluminescence method base on Pb(Ⅱ)can replace Co(Ⅱ) in the Co-EDTA complex,and Co(Ⅱ) can couple with the luminol-H2O2 chemiluminescence system.Under the optimal experimental conditions,the linear range of the method was from 1.0×10-7 to 1.0×10-5g/mL,and detection limit(3σ)was 5×10-8g/mL,while RSD was 1.2% for determination of Pb(Ⅱ) concentration of 1.0×10-6g/mL with parallel determination for 11 times.The method has simple operation and high sensitivity,and that can be applied to accurate determination of the content of lead ions in water.

About this research paper

What this paper is about

A novel method for simple and rapid determination of Pb(Ⅱ)replacement coupling reaction was fanded by flow injection chemiluminescence method base on Pb(Ⅱ)can replace Co(Ⅱ) in the Co-EDTA complex,and Co(Ⅱ) can couple with the luminol-H2O2 chemiluminescence system.Under the optimal experimental conditions,the linear range of the method was from 1.0×10-7 to 1.0×10-5g/mL,and detection limit(3σ)was 5×10-8g/mL,while RSD was 1.2% for determination of Pb(Ⅱ) concentration of 1.0×10-6g/mL with parallel determination for 11 times.The method has simple operation and high sensitivity,and that can be applied to accurate determination of the content of lead ions in water.

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Available abstract

A novel method for simple and rapid determination of Pb(Ⅱ)replacement coupling reaction was fanded by flow injection chemiluminescence method base on Pb(Ⅱ)can replace Co(Ⅱ) in the Co-EDTA complex,and Co(Ⅱ) can couple with the luminol-H2O2 chemiluminescence system.Under the optimal experimental conditions,the linear range of the method was from 1.0×10-7 to 1.0×10-5g/mL,and detection limit(3σ)was 5×10-8g/mL,while RSD was 1.2% for determination of Pb(Ⅱ) concentration of 1.0×10-6g/mL with parallel determination for 11 times.The method has simple operation and high sensitivity,and that can be applied to accurate determination of the content of lead ions in water.

Key concepts: Chemiluminescence, Detection limit, Chemistry, Luminol, Linear range, Ion, Flow injection analysis, Linear relationship

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Chemiluminescence Analysis Method of Lead Ions in Water — Research Paper | ScholarLens