A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit

Abstract In this paper, a silver ion-selective electrode material with lower detection limit is presented. The electrode is based on 22.5As2S3-22.5Ag2S-55AgCl chalcohalide glass membranes. The low detection limit decreases from the micromolar range of the original Ag2S-As2S3 electrode to the nanomol...

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Autores principales:	Lei Li, Haiwei Yin, Yang Wang, Jianhua Zheng, Huidan Zeng, Guorong Chen
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/21828ee60e87441cbf364bb2f7e837cf
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spelling	oai:doaj.org-article:21828ee60e87441cbf364bb2f7e837cf2021-12-02T11:53:05ZA chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit10.1038/s41598-017-17032-72045-2322https://doaj.org/article/21828ee60e87441cbf364bb2f7e837cf2017-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-17032-7https://doaj.org/toc/2045-2322Abstract In this paper, a silver ion-selective electrode material with lower detection limit is presented. The electrode is based on 22.5As2S3-22.5Ag2S-55AgCl chalcohalide glass membranes. The low detection limit decreases from the micromolar range of the original Ag2S-As2S3 electrode to the nanomolar level (1.89 nM) by introducing AgCl. The addition of AgCl increases the conductivity of the glasses and improves the analytical properties of electrodes because of the joint effects of Ag+ and Cl- on network structure of the glass. The super-Nernstian response behavior was observed for the partially crystallized electrode. The electrode containing AgCl also possesses a high selectivity (except for Hg2+), fast response and good stability.Lei LiHaiwei YinYang WangJianhua ZhengHuidan ZengGuorong ChenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lei Li Haiwei Yin Yang Wang Jianhua Zheng Huidan Zeng Guorong Chen A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
description	Abstract In this paper, a silver ion-selective electrode material with lower detection limit is presented. The electrode is based on 22.5As2S3-22.5Ag2S-55AgCl chalcohalide glass membranes. The low detection limit decreases from the micromolar range of the original Ag2S-As2S3 electrode to the nanomolar level (1.89 nM) by introducing AgCl. The addition of AgCl increases the conductivity of the glasses and improves the analytical properties of electrodes because of the joint effects of Ag+ and Cl- on network structure of the glass. The super-Nernstian response behavior was observed for the partially crystallized electrode. The electrode containing AgCl also possesses a high selectivity (except for Hg2+), fast response and good stability.
format	article
author	Lei Li Haiwei Yin Yang Wang Jianhua Zheng Huidan Zeng Guorong Chen
author_facet	Lei Li Haiwei Yin Yang Wang Jianhua Zheng Huidan Zeng Guorong Chen
author_sort	Lei Li
title	A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
title_short	A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
title_full	A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
title_fullStr	A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
title_full_unstemmed	A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit
title_sort	chalcohalide glass/alloy based ag+ ion - selective electrode with nanomolar detection limit
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/21828ee60e87441cbf364bb2f7e837cf
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_version_	1718394855013482496

A chalcohalide glass/alloy based Ag+ ion - selective electrode with nanomolar detection limit

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