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A simple, inexpensive method for the rapid testing of the photocatalytic activity of self-cleaning surfaces

Paper ID Volume ID Publish Year Pages File Format Full-Text
26820 43980 2013 3 PDF Available
Title
A simple, inexpensive method for the rapid testing of the photocatalytic activity of self-cleaning surfaces
Abstract

•Resazurin ink used to assess activity of self-cleaning glass.•Digital scanner and UV/Vis spectrophotometry used to monitor colour change.•Red component of RTGB digital images directly related to change in absorbances of ink films.•Rapid, inexpensive method to assess photocatalyst activity.

A rapid, semi-quantitative, inexpensive method, using a simple digital scanner and an indicator ink, suitable for use in the laboratory, or in the field, for assessing the photocatalytic activity of commercial photocatalytic self-cleaning materials, such as glass, is described. The repeatability of the current method is found to be high and better than many of the previously reported ISO photocatalyst tests.

Keywords
Photocatalysis; Digital; Test; Ink; Self-cleaning glass; Titania
First Page Preview
A simple, inexpensive method for the rapid testing of the photocatalytic activity of self-cleaning surfaces
Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 272, 15 November 2013, Pages 18–20
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering