Manganese(II)-ion-selective electrode based on 2,2′-bis(salicylideneamino)azobenzene incorporated in poly(vinyl chloride) matrix

2009 ◽  
Vol 74 (9) ◽  
pp. 1411-1424 ◽  
Author(s):  
Mohammad Bagher Gholivand ◽  
Maryam Gorji ◽  
Mohammad Joshaghani
Keyword(s):  
Pvc Membrane ◽  
Indicator Electrode ◽  
Membrane Electrode ◽  
Selective Electrode ◽  
Good Discrimination ◽  
Discrimination Ability ◽  
Poly Vinyl Chloride ◽  
Pvc Membrane Electrode ◽  
Chloride Matrix

A new PVC membrane electrode highly selective to Mn(II), based on 2,2′-bis(salicylideneamino)azobenzene as an ionophore. The electrode exhibits a Nernstian response to Mn(II) ions over a concentration range 0.8 × 10–1–1.1 × 10–7 mol l–1 with a slope of 30.5 ± 0.5 mV per decade and detection limit 5.5 × 10–8 mol l–1. The electrode was used for 45 days at the minimum without any measurable potential divergence. Also, the electrode revealed a fairly good discrimination ability between Mn(II) ions and some cations and anions. The electrode was also utilized as indicator electrode in the potentiometric titration of Mn(II) with EDTA and in determination of Mn(II) in drug as well as tape and river water.

Zn(II)-selective poly (vinyl chloride) (PVC) membrane electrode based on Schiff base ligand 2-benzoylpyridine semicarbazone as an ionophore

2020 ◽  
Vol 40 (10) ◽  
pp. 842-847
Author(s):  
Shankar Suman ◽  
Ram Singh
Keyword(s):  
Schiff Base ◽  
Detection Limit ◽  
Vinyl Chloride ◽  
Pvc Membrane ◽  
Membrane Electrode ◽  
Sodium Tetraphenylborate ◽  
Potential Response ◽  
Selective Electrode ◽  
Poly Vinyl Chloride ◽  
Pvc Membrane Electrode

AbstractA new poly (vinyl chloride) (PVC) membrane electrode using 2-benzoylpyridine semicarbazone as membrane carrier with dioctylphthalate as plasticizer and sodium tetraphenylborate (NaTBP) as anion excluder has been fabricated and investigated as Zn(II)-selective electrode. Best potential response is observed for the composition PVC 30%, plasticizer 58%, NaTBP 8% and ionophore 4% (w/w). The sensor showed a linear stable response over a concentration range of 1.0 × 10−2–4.56 × 10−6 M with a detection limit of 2.28 × 10−6 M and a response time <10 s. The electrode can be used for at least six months without any divergence in potential.

scholarly journals Mg(II) Selective PVC Membrane Electrode Based on Methyl Phenyl Semicarbazone as an Ionophore

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Sulekh Chandra ◽  
Kusum Sharma ◽  
Adarsh Kumar
Keyword(s):  
High Sensitivity ◽  
Fast Response ◽  
Pvc Membrane ◽  
Indicator Electrode ◽  
Membrane Electrode ◽  
Trivalent Cation ◽  
Selective Electrode ◽  
Pvc Membrane Electrode ◽  
Ph Range ◽  
Methyl Phenyl

A PVC-membrane-based Mg(II) selective electrode was constructed using methyl phenyl semicarbazone (MPS) as a neutral carrier. The sensor exhibits a Nernstian response for Mg(II) ion over a wide concentration range1.0×10-8  to  1.0×10-1 M with the slope of 28.4 mV/per decade having detection limit1.7×10-9 M. It was relatively a fast response time (<10 s for concentration≥1.0×10-3and<15 s for concentration of≥1.0×10-6 M) and can be used for 8 months without any considerable divergence in potentials. The proposed sensor revealed relatively good selectivity and high sensitivity for Mg(II) over a mono-, di-, and trivalent cation and can be used in a pH range of 1.0–9.5. It was also successfully used as an indicator electrode in potentiometer titration and in the analysis of concentration of magnesium in various real samples.

scholarly journals Ion-Selective Electrode for Anionic Surfactants Using Hexadecyl Trimethyl Ammonium Bromide-Sodium Dodecylsulfate as an Active Ionophore

2011 ◽  
Vol 2011 ◽  
pp. 1-7 ◽  
Author(s):  
Junwei Wang ◽  
Zhiping Du ◽  
Wanxu Wang ◽  
Wei Xue
Keyword(s):  
Limit Of Detection ◽  
Sodium Dodecylsulfate ◽  
Poor Response ◽  
Pvc Membrane ◽  
Indicator Electrode ◽  
Membrane Electrode ◽  
Ammonium Bromide ◽  
Hexadecyl Trimethyl Ammonium Bromide ◽  
Pvc Membrane Electrode ◽  
Wide Ph Range

The construction and characteristic performance of PVC membrane electrode responsive to sodium dodecylsulfate (SDS) are described in this paper. The electrode is based on hexadecyl trimethyl ammonium bromide-Sodium dodecylsulfate (CTA+DS−) ion pair as ionophore in PVC membrane, which displays a Nernstian slope of −58 ± 0.9 mV/decade in a 5.0 × 10−6to 2.5 × 10−3 mol L−1concentration range and a limit of detection of 2.9 × 10−6 mol L−1. The electrode can be used for 3 months without showing significant changes in the value of slope or working range. Also the electrode has wide pH range of application and short response time. The electrode shows a selective response to SDS and a poor response to common inorganic anions. The selective sequence found was SDS > HCO3 −> CH3COO−> Cl−> I−> NO3 −≈Br−> F−> CO3 2−> C6H5O7 3−> C2O4 2−> SO4 2−> C4H4O6 2−> SO3 2−> PO4 3−. The potentiometric selectivity coefficients determined are indicating that common anions would not interfere in the SDS determination. The electrode has been utilized as an end point indicator electrode for potentiometric titration involving hyamine as titrant.

Application of Novel Praseodymium (III) PVC‐Membrane Electrode for Determination of Pr(III) Ions in Soil and Sediment Samples

2008 ◽  
Vol 41 (5) ◽  
pp. 902-916 ◽  
Author(s):  
Hassan Ali Zamani ◽  
Mohammad Reza Ganjali ◽  
Parviz Norouzi ◽  
Soraia Meghdadi
Keyword(s):  
Pvc Membrane ◽  
Membrane Electrode ◽  
Sediment Samples ◽  
Pvc Membrane Electrode ◽  
Soil And Sediment

scholarly journals Construction of Eu3+Ion-Selective Electrode Based on 1,2-Diaminopropane-N,N,N',N'-tetraacetic acid

2011 ◽  
Vol 8 (s1) ◽  
pp. S467-S473 ◽  
Author(s):  
Mohammad Reza Abedi ◽  
Hassan Ali Zamani
Keyword(s):  
Alkaline Earth ◽  
Dynamic Range ◽  
Pvc Membrane ◽  
Membrane Electrode ◽  
Tetraacetic Acid ◽  
Pvc Membrane Electrode ◽  
Nernstian Slope ◽  
Wide Linear Dynamic Range ◽  
Ph Range

A new Eu3+PVC membrane electrode based on 1,2-diaminopropane-N, N,N',N'-tetraacetic acid (DAPTA) as a suitable ionophore has been prepared and studied. The electrode shows a good selectivity for Eu(III) ion with respect to most common cations including alkali, alkaline earth, transition and heavy metal ions. This electrode has a wide linear dynamic range from 1.0×10-6to 1.0×10-2M with a Nernstian slope of 19.7±0.5 mV per decade and a low detection limit of 7.2×10-7M in the pH range of 2.5–9.1, while the response time was rapid (<10 s). The practical utility of the electrodes has been demonstratedby their use as indicator electrodes in the potentiometric titration of Eu3+ions with EDTA and for the determination of Eu3+in some water sample solutions.

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