Analysis of Selected Heavy Metals in Tap Water by Inductively Coupled Plasma-Optical Emission Spectrometry After Pre-Concentration Using Chelex-100 Ion Exchange Resin

Massadeh, Adnan M.; El-Rjoob, Abdul-Wahab O.; Gharaibeh, Samar A.

doi:10.1007/s11270-020-04555-5

Cited by 20 publications

(10 citation statements)

References 37 publications

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“…Such approaches are particularly attractive for use with the SCGD, since the system operates using a continuous flowing sample stream and has been shown to be useful for flow-injection analysis previously. 46 Preconcentration approaches using graphene oxide for Pb 47 and mesoporous silica for Cr and Hg 48,49 have been reported previously in conjunction with the SCGD.…”

Section: Resultsmentioning

confidence: 98%

A novel solution cathode glow discharge geometry for improved coupling to optical emission spectrometry

Hazel

Orejas

Ray

2022

J. Anal. At. Spectrom.

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Section: Resultsmentioning

confidence: 98%

A novel solution cathode glow discharge geometry for improved coupling to optical emission spectrometry

Hazel

Orejas

Ray

2022

J. Anal. At. Spectrom.

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“…Further, this process results in the formation of plasma free atoms in the vapor state and specific energy available in the system can transform the atoms into excited ions. These excited ions will achieve stable states by emitting photons of a specific wavelength [37]. This radiation of photons is examined for the determination of individual elements and their concentrations in the samples.…”

Section: Icp-oesmentioning

confidence: 99%

Recent Advances in Detection and Removal of Heavy Metals from Contaminated Water

et al. 2022

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The water treatment process by removing heavy metals from polluted sources is explained in detail. Various detection and removal techniques and their modeling for heavy metal removal are reviewed. Detection of heavy metals is possible by several optical, spectroscopic and electrochemical methods. Due to their high efficiencies and accurate evaluation capabilities, several spectroscopic as well as other techniques like neutron activation analysis and X‐ray fluorescence are discussed and found highly significant. Adsorption, photocatalysis, ion exchange, electrochemical methods, membrane filtration, chemical precipitation, and forward osmosis are the most frequently used techniques for heavy metal removal, being up to 100 % efficient to detect and remove heavy metal ions. The design, operation, and key features of all techniques are explained. The regeneration of used adsorbents, resins, and other materials to remove heavy metals is found as key step in the wastewater treatment process.

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“…in addition to that, old infrastructure water sources, pollution from vehicles, polluted paint, different fertilizers, plastic, etc. are also helped to raise the level of heavy metals [51]. It is worth mentioning that most developed and under developing countries are suffering from issues of heavy metal pollution [52].…”

Section: Introductionmentioning

confidence: 99%

“…it majorly affects the quality of the naturally available water. besides, because of the presence of such heavy metals, it causes many health issues such as gastrointestinal diseases, muscular diseases, tumors, reproductive diseases, neurological diseases, genetic disorders, etc [51]. therefore, there is a need to detect the level of heavy metals in potable water and separate it.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication of N-Doped Graphene@TiO2 Nanocomposites for Its Adsorption and Absorbing Performance with Facile Recycling

Patil¹,

Nangare²,

Patil³

et al. 2021

Nano BioMed ENG

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The present work aims to synthesize nitrogen-doped reduced graphene oxide-titanium dioxide nanocomposite (N-rGO@TiO 2 ) using a simple, eco-friendly method and its applications in spectroscopic detection of heavy metal ions such as lead (Pb 2+ ), mercury (Hg 2+ ), and chromium-VI [Cr(VI)] in potable water. Initially, TiO 2 nanoparticles loaded N doped rGO sheets were fabricated by an ecological method using Gossypium hirsutum (cotton) seeds extract as a green reducing agent. Then, the N-rGO@TiO 2 nanocomposites were subjected for characterizations such as spectroscopic techniques, particle size analysis, zeta potential analysis, and spectroscopic sensing. Notably, the results of this study confirmed that N-rGO@TiO 2 exhibited countless stupendous features in terms of sensing of an analyte. Briefly, the UV-visible spectroscopy and Fourier transform infrared (FTIR) spectroscopy confirmed the successful synthesis of N-rGO@TiO 2 . The SEM images showed the wrinkled, folded, and cross-linked network structures that confirmed the surface modification and nitrogen doping in the rGO sheet and synthesis of N-rGO@TiO 2 . The EDAX study confirmed the elemental composition of the N-rGO@TiO 2 nanocomposite. Finally, due to the larger surface area, porous nature, high electron mobility, etc. the N-rGO@TiO 2 probe provides the lower detection limit for Pb 2+ , Hg 2+, and Cr (VI) as low as 50 nM, 15 µM, and 25 nM, respectively. Concisely, our study affirms the admirable sensitivity of N-rGO@TiO 2 nanocomposite to the Pb 2+ , Hg 2+, and Cr (VI) in potable water can provide better environmental remediation.

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Analysis of Selected Heavy Metals in Tap Water by Inductively Coupled Plasma-Optical Emission Spectrometry After Pre-Concentration Using Chelex-100 Ion Exchange Resin

Cited by 20 publications

References 37 publications

A novel solution cathode glow discharge geometry for improved coupling to optical emission spectrometry

A novel solution cathode glow discharge geometry for improved coupling to optical emission spectrometry

Recent Advances in Detection and Removal of Heavy Metals from Contaminated Water

Fabrication of N-Doped Graphene@TiO2 Nanocomposites for Its Adsorption and Absorbing Performance with Facile Recycling

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