Investigation on square wave and cyclic voltammetry approaches of the Pb2+, Cd2+, Co2+ and Hg2+ in tap water of Beni Mellal City (Morocco)

Laghlimi, Charaf; Moutcine, Abdelaziz; Elamrani, Morad; Chtaini, Abdelilah; Isaad, Jalal; Belkhanchi, Hamza; Ziat, Younes

doi:10.5004/dwt.2022.29023

Cited by 7 publications

(4 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although most of these techniques perform well in lab settings, electrochemical methods are very sensitive and selective for detecting drugs and contaminated water [ 11 , 12 , 13 , 14 ]. Various benefits include affordability, reaction speed, simplicity, and reproducibility [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Zinc Nanocomposite Supported Chitosan for Nitrite Sensing and Hydrogen Evolution Applications

et al. 2023

View full text Add to dashboard Cite

Nanoparticles of ZnO-Chitosan (Zn-Chit) composite were prepared using precipitation methods. Several analytical techniques, such as scanning electron microscope (SEM), transmitted electron microscope (TEM), powder X-ray diffraction (XRD), infrared spectroscopy (IR), and thermal analysis, were used to characterize the prepared composite. The activity of the modified composite was investigated for nitrite sensing and hydrogen production applications using various electrochemical techniques. A comparative study was performed for pristine ZnO and ZnO loaded on chitosan. The modified Zn-Chit has a linear range of detection 1–150 µM and a limit of detection (LOD) = 0.402 µM (response time ~3 s). The activity of the modified electrode was investigated in a real sample (milk). Furthermore, the anti-interference capability of the surface was utilized in the presence of several inorganic salts and organic additives. Additionally, Zn-Chit composite was employed as an efficient catalyst for hydrogen production in an acidic medium. Thus, the electrode showed long-term stability toward fuel production and enhanced energy security. The electrode reached a current density of 50 mA cm−2 at an overpotential equal to −0.31 and −0.2 V (vs. RHE) for GC/ZnO and GC/Zn-Chit, respectively. Electrode durability was studied for long-time constant potential chronoamperometry for 5 h. The electrodes lost 8% and 9% of the initial current for GC/ZnO and GC/Zn-Chit, respectively.

show abstract

Section: Introductionmentioning

confidence: 99%

Zinc Nanocomposite Supported Chitosan for Nitrite Sensing and Hydrogen Evolution Applications

et al. 2023

View full text Add to dashboard Cite

show abstract

“…100 Kalambate et al reviewed the progress of electrochemical (bio) sensors for the detection of biomarkers, pharmaceutical drugs, and environmental contaminants, including how the synthetic strategies and surface functionalization affect various properties of MXenes. 101 Many other excellent recent reviews of MXene-based sensors are also available, [102][103][104][105][106][107][108][109][110][111] and this work provides updates through 2023.…”

Section: The Applications Of Mxenes In Electrochemical (Bio)sensorsmentioning

confidence: 99%

Recent advances using MXenes in biomedical applications

Lee,

Li,

Thomas

et al. 2024

Mater. Horiz.

View full text Add to dashboard Cite

show abstract

“…The type of working electrode used in the determination has, among other things, an influence on the possibility of achieving low detection limits and good separation of analytical signals. The implication of the wide range of electrodes used is that they have an equally wide range of applications [ 19 , 20 ]. Ideally, the working electrode should be made of non-toxic material and allow operation over the widest possible potential range.…”

Section: Introductionmentioning

confidence: 99%

A Convenient Strategy for the Voltammetric Direct Determination of Ce(III) in Environmental Waters Using a Multi-Walled Carbon Nanotubes Modified Screen-Printed Carbon Electrode

Grabarczyk,

Fialek,

Wlazlowska

2024

Molecules

View full text Add to dashboard Cite

A simple and fast stripping voltammetric procedure for trace determination of Ce(III) in environmental water samples has been developed. The procedure of cerium determination in the presence of Alizarin S and acetate buffer was employed as the initial method. The adsorption material, multi-walled carbon nanotubes, was used as a screen-printed electrode modifier ensuring efficient accumulation of the Ce(III)-Alizarin S complex. The calibration graph for Ce(III) for an accumulation time of 60 s was linear in the range from 1 × 10−8 to 7 × 10−7 mol L−1 with the linear correlation coefficient r = 0.997. The detection limit was estimated from three times the standard deviation of low Ce(III) concentration and an accumulation time of 60 s was about 3.5 × 10−9 mol L−1. The proposed method was successfully applied to Ce(III) determination at trace levels in environmental water samples, such as river, lake and rain water with recoveries ranged from 93% to 98%.

show abstract

Investigation on square wave and cyclic voltammetry approaches of the Pb2+, Cd2+, Co2+ and Hg2+ in tap water of Beni Mellal City (Morocco)

Cited by 7 publications

References 27 publications

Zinc Nanocomposite Supported Chitosan for Nitrite Sensing and Hydrogen Evolution Applications

Zinc Nanocomposite Supported Chitosan for Nitrite Sensing and Hydrogen Evolution Applications

Recent advances using MXenes in biomedical applications

A Convenient Strategy for the Voltammetric Direct Determination of Ce(III) in Environmental Waters Using a Multi-Walled Carbon Nanotubes Modified Screen-Printed Carbon Electrode

Contact Info

Product

Resources

About