Inkjet-printed disposable metal complexing indicator-displacement assay for sulphide determination in water

被引：28

作者：

Ariza-Avidad, M. ^{[1
]}

Agudo-Acemel, M. ^{[1
]}

Salinas-Castillo, A. ^{[1
]}

Capitan-Vallvey, L. F. ^{[1
]}

机构：

[1] Univ Granada, Fac Sci, Dept Analyt Chem, ECsens, E-18071 Granada, Spain

来源：

ANALYTICA CHIMICA ACTA | 2015年 / 872卷

关键词：

Sulphide determination; Water analysis; Metal complexing indicator-displacement assay; H coordinate; Digital camera; Inkjet printing; HYDROGEN-SULFIDE; COLORIMETRIC DETECTION; FLUORESCENT-PROBES; RELAY RECOGNITION; BULK OPTODES; SENSOR; ANION; IONS; 1-(2'-PYRIDYLAZO)-2-NAPHTHOL; 1-(2-PYRIDYLAZO)-2-NAPHTHOL;

D O I：

10.1016/j.aca.2015.02.045

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A sulphide selective colorimetric metal complexing indicator-displacement assay has been developed using an immobilized copper(II) complex of the azo dye 1-(2-pyridylazo)-2-naphthol printed by inkjetting on a nylon support. The change in colour measured from the image of the disposable membrane acquired by a digital camera using the H coordinate of the HSV colour space as the analytical parameter is able to sense sulphide in aqueous solution at pH 7.4 with a dynamic range up to 145 mu M, a detection limit of 0.10 mu m and a precision between 2 and 11%. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：55 / 62

页数：8

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