Novel screen‐printed electrode for the determination of dodecyltrimethylammonium bromide in water samples

Mohamed, Gehad G.; Ali, Tamer Awad; El‐Shahat, M. F.; Migahed, M.A.; Al-Sabagh, A.M.

doi:10.1002/dta.366

Cited by 44 publications

(14 citation statements)

References 21 publications

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“…Disposable screenprinted electrodes provide fast, sensitive detection and quantiFcation of various analytes in complex samples derived by the medical diagnosis and food Felds. In addition, the small size of these electrodes enables a very small volume of sample to be used for analysis [20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Highly sensitive electrochemical sensor determination of drug in pharmaceutical analysis

2020

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M ODIFED carbon paste electrodes and screen printed electrodes were developed for the potentiometric determination of butenaFne hydrochloride (BTFHC) in urine, serum and pharmaceutical preparations. Two modiFed carbon paste electrodes (electrodes A and C) and two modiFed screen printed electrodes (electrodes B and D) using tricresylphosphate (TCP) and o-nitrophenyloctyl ether (o-NPOE) plasticizers, respectively, were used. The electrodes showed a linear concentration range from 1.57×10-7 to 1.0 × 10-2 and 1.0 × 10-7 to 1.0 × 10-2 mol L-1 with detection limit of 1.57×10-7 and 1.0 × 10-7 mol L-1 for modiFed carbon paste (MCPEs; electrodes A and B) and modiFed screen printed (MSPEs; electrodes C and D), respectively. The calibration graphs have slope values of 56.95±0.56, 58.22±0.78, 56.18±0.66 and 57.69±0.39 mV decade-1 for electrodes A, B, C and D, respectively. The response time was relatively quick in the whole concentration range and was found to be 12s for electrodes (A and B) and 7s for electrodes (C and D). The electrodes were found to have life time of 82, 99, 160 and 185 days without showing any deviations in a pH range of 5.0-9.0 and 4.0-9.0 for MCPEs (electrodes A and B) and MSPEs electrodes (C and D), respectively. The fabricated electrodes displayed good selectivity for BTFHC with respect to number of common foreign inorganic cations, sugar species, organic and glycine as the Fllers that may be added to the pharmaceutical preparation or biological fluids. Fortunately, such materials mostly do not interfere. The potential application of the sensors (A-D) was accomplished as a result of good recoveries made from real samples fortiFed with BTFHC. Results indicated the proFciency of the sensors reliable for rapid, onsite monitoring of BTFHC in pharmaceutical preparation and in biological samples.

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Section: Introductionmentioning

confidence: 99%

Highly sensitive electrochemical sensor determination of drug in pharmaceutical analysis

2020

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“…To develop a good sensitive sensor for chromium ion determination [17][18][19][20][21][22][23][24], many efforts were done using various neutral ionophores. However, reported sensors showed narrow working concentration range, non-Nernstian response and high response time [25][26][27][28] and significant interference from foreign ions Egyptian Journal of Chemistry http://ejchem.journals.ekb.eg/ ________________________________________________ Egypt. J. Chem.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of thiol amine surfactant for sensor fabrication to determine chromium(III) ions in different water samples

Ali¹,

Al-Sabagh²

2020

Egypt. J. Chem.

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A thiol amine surfactant, poly-3-(dodecylthio)-N-hexadecylacrylamide (iphI) was prepared and characterized using spectral methods of analyses. The proposed potentiometric method was based on the fabrication of iphI-modified carbon paste (iphI-MCPE; electrode IV) sensor. Fast, highly sensitive and wide dynamic range potentiometric sensor was constructed using the prepared ionophore to quantify Cr(III) ions in spiked water sample under optimum conditions. The electrode (IV) exhibited an excellent Nernstian response to Cr(III) ion ranging from 4.8 × 10-7 to 1.0 × 10-2 mol L-1 with a detection limit of 4.8 × 10-7 mol L-1 and a slope of 19.59±0.45 mV decade-1 over a wide pH range (2.0-8.0) with a fast response time (7 s) at 25 oC. The proposed sensor showed fairly good discriminating ability towards Cr(III) ion in comparison with many hard and soft metal ions. The developed electrode has been successfully applied for the Cr(III) ions potentiometric determination in different water samples. The results obtained compared well with those obtained using atomic absorption spectrometry.

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“…This kind of sensor consists of a combination of ionophore, paraffin oil, graphite powder and sometimes a matter of modifier [13][14][15][16][17][18][19] .…”

Section: Introductionmentioning

confidence: 99%

Fabrication A Composite Electrode Based on MWCNT/Zeolite for Potentiometric Determination of Chromium (III)

Heidari¹,

Masrournia²,

Khoshnood³

2016

Orient. J. Chem

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A nanocomposite based on carbon paste electrode fabricated, by using zeolite as ion carrier .Functional multi-wall carbon nanotube was used for improvement of electrode response. The optimal composition of CPE was built from 65% graphite powder, 20 wt% paraffin oil, 5% ion carrier (zeolite), 10% MWCNTs. Electrode showed Nernstian response 19.88 (±0.2)mVdecade "1 in the measuring range 10 "7 -10 "2 mol L "1 and showed detection limit of 6.3×10 -7 M. The sensor was successfully used for potentiometric titration Cr 3+ with EDTA. The carbon paste electrode showed fast response time, good selectivity and applicable in the wide pH range of 3 -10.

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Novel screen‐printed electrode for the determination of dodecyltrimethylammonium bromide in water samples

Cited by 44 publications

References 21 publications

Highly sensitive electrochemical sensor determination of drug in pharmaceutical analysis

Highly sensitive electrochemical sensor determination of drug in pharmaceutical analysis

Synthesis of thiol amine surfactant for sensor fabrication to determine chromium(III) ions in different water samples

Fabrication A Composite Electrode Based on MWCNT/Zeolite for Potentiometric Determination of Chromium (III)

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