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STUDY ON THE METHOD OF SIMULTANEOUS DETERMINATION ON CADMIUM AND MERCURY BY VAPOUR GENERATION-AFS IN THE WATER

Yiwen Chen

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Abstract

[Objective]To establish a method of simultaneous determination on cadmium and mercury in the water by vapour generation-AFS.[Methods]The conditions of the simultaneous determination on cadmium and mercury by vapour generation and parameters detected by atomic fluorescence spectrometry were studied.[Results]On the optimal conditions,the detection limit of cadmium was 0.03 μg /L,the RSD was between 1.1%-3.4% and the sample recoveries were from 98.6%-105%.The detection limit of mercury was 0.0075 μg /L,the RSD was between 0.68%-3.2% and the sample recoveries were from 102%-107%.[Conclusion]The method is rapid,convenient,accurate,sensitive and suitable for simultaneous determination on cadmium and mercury in the water.

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What this paper is about

[Objective]To establish a method of simultaneous determination on cadmium and mercury in the water by vapour generation-AFS.[Methods]The conditions of the simultaneous determination on cadmium and mercury by vapour generation and parameters detected by atomic fluorescence spectrometry were studied.[Results]On the optimal conditions,the detection limit of cadmium was 0.03 μg /L,the RSD was between 1.1%-3.4% and the sample recoveries were from 98.6%-105%.The detection limit of mercury was 0.0075 μg /L,the RSD was between 0.68%-3.2% and the sample recoveries were from 102%-107%.[Conclusion]The method is rapid,convenient,accurate,sensitive and suitable for simultaneous determination on cadmium and mercury in the water.

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Available abstract

[Objective]To establish a method of simultaneous determination on cadmium and mercury in the water by vapour generation-AFS.[Methods]The conditions of the simultaneous determination on cadmium and mercury by vapour generation and parameters detected by atomic fluorescence spectrometry were studied.[Results]On the optimal conditions,the detection limit of cadmium was 0.03 μg /L,the RSD was between 1.1%-3.4% and the sample recoveries were from 98.6%-105%.The detection limit of mercury was 0.0075 μg /L,the RSD was between 0.68%-3.2% and the sample recoveries were from 102%-107%.[Conclusion]The method is rapid,convenient,accurate,sensitive and suitable for simultaneous determination on cadmium and mercury in the water.

Key concepts: Cadmium, Mercury (programming language), Detection limit, Chemistry, Chromatography, Environmental chemistry, Analytical Chemistry (journal), Computer science

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