Optimization of  Screen Printed Reference Electrode Based on  Charge Balance and Poly (Butyl Acrylate) Photocurable Mebrane

Alva, Sagir; Heng, Lee Yook; Ahmad, Musa

doi:10.22441/ijimeam.2016.1.002

Cited by 7 publications

(11 citation statements)

References 23 publications

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“…Since the potassium ion sensor would have functioned as a pseudo-reference electrode, this electrode's stability performance was compared to the previously reported solid-state reference electrodes. By referring to Table 3, it was found that the pseudo-reference electrode in this work showed comparable duration time of stability except for the reference electrode reported by Alva et al [29]. Compared with this electrode (5 h), this study's pseudo-reference electrode revealed a more prolonged duration time of stability (10 h).…”

Section: Performances Assessment Of Potassium Ion Sensor For Pseudo-rsupporting

confidence: 60%

“…1 mV/h [48]. Therefore, this system displays good stability in the first 10 h. The leaching of lipophilic salt caused a higher drift of potential differences after 10 h, KTClPB from the pseudo-reference electrode, and NaTFPB from aluminium ion sensor into aqueous solution [29]. The leaching of anion lipophilic from the membrane pBA caused the sensors to become less sensitive to their analyte ions.…”

Section: Stabilitymentioning

confidence: 97%

“…The drift rate of a suitable reference electrode should not exceed 1 mV/h [48]. Therefore, the potassium ion sensor can be said to display excellent stability in the first 10 h. A higher drift rate occurred after 10 h because of the leaching of lipophilic salt, KTClPB, into aqueous solution [29]. The lack of anion lipophilic within the membrane pBA caused the anion to enter the membrane.…”

Section: Performances Assessment Of Potassium Ion Sensor For Pseudo-rmentioning

confidence: 99%

“…Among the polyacrylate membranes, poly(n-butyl acrylate), the pBA membrane was selected because of its capability to produce membranes with lower water percolation and good characteristics [10]. An Ag/AgCl solid-state screen-printed reference electrode based on photocurable acrylic membrane with immobilized trioctylmethy ammonium chloride (TOMA-Cl) and sodium tetrakis [3,5-bis(trifluoromethyl)phenyl]-borate (NaTFPB) was reported by Alva et al [29]. It gave performances similar to those of conventional reference electrodes when used with potasium and ammonium ion sensors.…”

Section: Introductionmentioning

confidence: 99%

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A New and All-Solid-State Potentiometric Aluminium Ion Sensor for Water Analysis

Ying

Heng

Hassan

et al. 2020

Sensors

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An all-solid-state potentiometric electrode system for aluminium ion determination was developed with a new aluminium ion sensor as the working electrode based on a new ionophore for aluminium ion, 1,1′-[(methylazanediyl)bis(ethane-2,1-diyl)]bis[3-(naphthalen-1-yl)thiourea] (ACH). The reference electrode was a potassium ion sensor, which acts as a pseudo-reference. Both electrodes were made from Ag/AgCl screen-print electrodes fabricated from a non-plasticized and photocurable poly(n-butyl acrylate) membrane that contained various other membrane components. The pseudo-reference potential based on the potassium ion sensor was fixed in 0.050 M KNO3, and such concentration of K+ ion did not interfere with the measurement of the Al3+ ion using the aluminium sensor. With such a pseudo-reference and in the presence of 0.050 M KNO3 as a background medium, the aluminium sensor measured changes of aluminium ion concentrations linearly from 10−6 to 10−2 M Al3+ ion with a Nernstian response of 17.70 ± 0.13 mV/decade. A low detection limit of 2.45 × 10−7 M was achieved with this all-solid-state potentiometric system. The aluminium sensor was insensitive to pH effects from 2.0 to 8.0 with a response time of less than 50 s. Under optimum conditions, a lifetime of 49 days was achieved with good sensor selectivity, reversibility, repeatability, and reproducibility. The all-solid-state electrode system was applied to analyze the Al3+ ion content of water samples from a water treatment plant. Compared with the conventional potentiometric detection system for aluminium ions, the new all-solid-state aluminium ion sensor incorporating a pseudo-reference from the potassium sensor demonstrated similar analytical performance. It thus provided a convenient means of aluminium content analysis in water treatment plants.

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Section: Performances Assessment Of Potassium Ion Sensor For Pseudo-rsupporting

confidence: 60%

Section: Stabilitymentioning

confidence: 97%

Section: Performances Assessment Of Potassium Ion Sensor For Pseudo-rmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A New and All-Solid-State Potentiometric Aluminium Ion Sensor for Water Analysis

Ying

Heng

Hassan

et al. 2020

Sensors

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“…High selectivity with low interference from other anions (>9 mV in a very wide concentration range) [79]…”

Section: Metallized Hole Pvc Membranementioning

confidence: 99%

A review of screen-printed silver/silver chloride (Ag/AgCl) reference electrodes potentially suitable for environmental potentiometric sensors

Sophocleous

Atkinson

2017

Sensors and Actuators A: Physical

137

106

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The screen-printed (SP), reference electrode (RE) has been shown to be a crucial element of potentiometric sensors but it is also the stumbling block for reliable and accurate SP sensors. The easiest, most common and most environmentally friendly, type of RE is the Silver/Silver Chloride (Ag/AgCl) RE. Unfortunately, until now the only reliable RE of this kind is the conventional, liquid or gel-filled type. However, for most environmental and soil applications the use of the conventional RE is not an option, which raises the demand for a robust, rugged and low-cost version to replace the conventional RE. This paper presents a review of the various attempts to produce reliable, SP, Ag/AgCl REs, and explain why almost all of them never reach the commercialisation stage. The paper provides an overview of the main challenges that need to be overcome, details of the electrode's construction, an analytical comparison of their performance in terms of chloride susceptibility, cross-sensitivity and lifetime, and their suitability in different applications depending on their performance characteristics. (Sophocleous M.) Conventional Ag/AgCl reference electrode Construction of the conventional Ag/AgCl reference electrodeThe most common type of silver-silver halide electrode is the Ag/AgCl due to the availability of silver chloride and the use of potassium chloride as the electrolyte. The electrode is constructed using a silver wire, electroplated with silver chloride and then immersed into a 3.5 M or saturated potassium chloride (KCl) solution. The electrolyte is generally contained in a glass tube having a porous glass frit at the tip to allow ion exchange at the liquid-liquid junction. The conventional silver/silver chloride reference electrode has a relatively simple construction. A typical construction of such an electrode is shown in Figure 1.

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A screen-printed Ag/AgCl reference electrode with long-term stability for electroanalytical applications

Dawkins

Wen

Hart

et al. 2021

Electrochimica Acta

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Optimization of Screen Printed Reference Electrode Based on Charge Balance and Poly (Butyl Acrylate) Photocurable Mebrane

Cited by 7 publications

References 23 publications

A New and All-Solid-State Potentiometric Aluminium Ion Sensor for Water Analysis

A New and All-Solid-State Potentiometric Aluminium Ion Sensor for Water Analysis

A review of screen-printed silver/silver chloride (Ag/AgCl) reference electrodes potentially suitable for environmental potentiometric sensors

A screen-printed Ag/AgCl reference electrode with long-term stability for electroanalytical applications

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