A carbon paste electrode modified with poly
Poly(methylene disulfide) nanoparticles (PMDSNPs) were synthesized and characterized by FTIR, FESEM, EDX, and TGA. The nanomaterial was used to modify a carbon paste electrode to obtain a sensor for differential pulse anodic stripping voltammetric analysis of silver ion. The silver ions are accumula...
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| Veröffentlicht in: | Mikrochimica acta (1966) 2019-02, Vol.186 (2) |
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| container_title | Mikrochimica acta (1966) |
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| creator | Ghalebi, Seyedeh Mina Zare-Shahabadi, Vahid Parham, Hooshang |
| description | Poly(methylene disulfide) nanoparticles (PMDSNPs) were synthesized and characterized by FTIR, FESEM, EDX, and TGA. The nanomaterial was used to modify a carbon paste electrode to obtain a sensor for differential pulse anodic stripping voltammetric analysis of silver ion. The silver ions are accumulated on the modified electrode by reduction at a potential of -0.3 V. This is followed by the quantitation of adsorbed Ag(I) by differential pulse anodic stripping voltammetry. Under optimized conditions, the electrode has a dynamic range in the 3.0 x 10.sup.-12 to 1.0 x 10.sup.-9 mol L.sup.-1 Ag(I) concentration range, and the detection limit is 1.0 x 10.sup.-13 mol L.sup.-1. The relative standard deviation (for n = 6) is 1.8%, this showing good reproducibility. The method was successfully applied to the determination of Ag(I) in spiked tap and river waters and tea leaves. The results were in good agreement with those obtained by inductively coupled plasma optical emission spectrometry. |
| doi_str_mv | 10.1007/s00604-018-3156-0 |
| format | Article |
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The nanomaterial was used to modify a carbon paste electrode to obtain a sensor for differential pulse anodic stripping voltammetric analysis of silver ion. The silver ions are accumulated on the modified electrode by reduction at a potential of -0.3 V. This is followed by the quantitation of adsorbed Ag(I) by differential pulse anodic stripping voltammetry. Under optimized conditions, the electrode has a dynamic range in the 3.0 x 10.sup.-12 to 1.0 x 10.sup.-9 mol L.sup.-1 Ag(I) concentration range, and the detection limit is 1.0 x 10.sup.-13 mol L.sup.-1. The relative standard deviation (for n = 6) is 1.8%, this showing good reproducibility. The method was successfully applied to the determination of Ag(I) in spiked tap and river waters and tea leaves. The results were in good agreement with those obtained by inductively coupled plasma optical emission spectrometry.</description><identifier>ISSN: 0026-3672</identifier><identifier>DOI: 10.1007/s00604-018-3156-0</identifier><language>eng</language><publisher>Springer</publisher><subject>Analysis ; Nanoparticles</subject><ispartof>Mikrochimica acta (1966), 2019-02, Vol.186 (2)</ispartof><rights>COPYRIGHT 2019 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Ghalebi, Seyedeh Mina</creatorcontrib><creatorcontrib>Zare-Shahabadi, Vahid</creatorcontrib><creatorcontrib>Parham, Hooshang</creatorcontrib><title>A carbon paste electrode modified with poly</title><title>Mikrochimica acta (1966)</title><description>Poly(methylene disulfide) nanoparticles (PMDSNPs) were synthesized and characterized by FTIR, FESEM, EDX, and TGA. The nanomaterial was used to modify a carbon paste electrode to obtain a sensor for differential pulse anodic stripping voltammetric analysis of silver ion. The silver ions are accumulated on the modified electrode by reduction at a potential of -0.3 V. This is followed by the quantitation of adsorbed Ag(I) by differential pulse anodic stripping voltammetry. Under optimized conditions, the electrode has a dynamic range in the 3.0 x 10.sup.-12 to 1.0 x 10.sup.-9 mol L.sup.-1 Ag(I) concentration range, and the detection limit is 1.0 x 10.sup.-13 mol L.sup.-1. The relative standard deviation (for n = 6) is 1.8%, this showing good reproducibility. The method was successfully applied to the determination of Ag(I) in spiked tap and river waters and tea leaves. 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The nanomaterial was used to modify a carbon paste electrode to obtain a sensor for differential pulse anodic stripping voltammetric analysis of silver ion. The silver ions are accumulated on the modified electrode by reduction at a potential of -0.3 V. This is followed by the quantitation of adsorbed Ag(I) by differential pulse anodic stripping voltammetry. Under optimized conditions, the electrode has a dynamic range in the 3.0 x 10.sup.-12 to 1.0 x 10.sup.-9 mol L.sup.-1 Ag(I) concentration range, and the detection limit is 1.0 x 10.sup.-13 mol L.sup.-1. The relative standard deviation (for n = 6) is 1.8%, this showing good reproducibility. The method was successfully applied to the determination of Ag(I) in spiked tap and river waters and tea leaves. The results were in good agreement with those obtained by inductively coupled plasma optical emission spectrometry.</abstract><pub>Springer</pub><doi>10.1007/s00604-018-3156-0</doi></addata></record> |
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| subjects | Analysis Nanoparticles |
| title | A carbon paste electrode modified with poly |
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