Determination of Ultra Trace of Heavy Metals in Water by ICP-AES Based on Magnetic Enrichment

Shan Shan Zhu; Fu Tao Hu; Dao Dong Pan; Wei Lian Xu; Ning Gan

doi:10.4028/www.scientific.net/AMR.487.658

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 487Determination of Ultra Trace of Heavy Metals in...

Determination of Ultra Trace of Heavy Metals in Water by ICP-AES Based on Magnetic Enrichment

Abstract:

A new method has been established for the pre-enrichment of trace heavy metals(lead(II), cadmium(II), chromium(VI) and nickel(II)) by magnetic iron oxide(core) / zirconium dioxide(shell) and determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) in water samples. The factors affecting the separation and pre-enrichment of analytes such as amounts of magnetic iron oxide / zirconium dioxide, elution time and interfering ions were studied. The detection limits of the method (3σ) were 13.5ng/mL, 1.01ng/mL, 2.94ng/mL and 3.31mg/L respectively for lead(II), cadmium(II), chromium(VI) and nickel(II). The results showed that this method was simple, accurate, and sensitive which could be applied for the pre-enrichment, separation and determination of trace heavy metals in all kinds of water samples.

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Periodical:

Advanced Materials Research (Volume 487)

Pages:

658-662

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.487.658

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Online since:

March 2012

Authors:

Shan Shan Zhu, Fu Tao Hu, Dao Dong Pan, Wei Lian Xu, Ning Gan

Keywords:

Inductively Coupled Plasma-Atomic Emission Spectrometry, Magnetic Iron Oxide/Zirconium Dioxide, Magnetic Separation, Trace Metals

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