Lab-on-paper with dual electrochemical/colorimetric detection for simultaneous determination of gold and iron.

A, Apilux; W, Dungchai; W, Siangproh; N, Praphairaksit; CS, Henry; O, Chailapakul

doi:10.1021/ac9022555

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Lab-on-paper with dual electrochemical/colorimetric detection for simultaneous determination of gold and iron.

Shared by NobleBlocks on Mar 1, 2010 • 12:00 AM UTC

Authors:

Apilux A

Dungchai W

Siangproh W

Abstract

A novel lab-on-paper device combining electrochemical and colorimetric detection for the rapid screening of Au(III) in the presence of a common interference, Fe(III), in industrial waste solutions is presented here. With dilute aqua regia (0.1 M HCl + 0.05 M HNO(3)) as the supporting electrolyte, sq...

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