PAPERmaking! Vol3 Nr1 2017

PAPERmaking! FROM THE PUBLISHERS OF PAPER TECHNOLOGY Volume 3, Number 1, 2017

Detailed Analysis of the UV-Adjustment Techniques Used in Paper and Graphic Industries

Li Yang

Around two decades ago a single-point method for adjusting the UV content of incident light in spectrophotometers was introduced. This allowed instruments from different manufacturers and in different laboratories around the world to measure fluorescent properties similarly. However, questions arose about the validity of single-point calibration / verification procedures; this article looks at the validity of these assumptions by assessing the entire spectrum – not just the UV region.

Innventia AB, Drottning Kristinas Vag 61, Stockholm 11428, Sweden

Published Previously, COLOR Research and Application , Vol.42 (1), February 2017. Online Library (wileyonlinelibrary.com). DOI 10.1002/col.22015

The Paper Industry Technical Association (PITA) is an independent organisation which operates for the general benefit of its members – both individual and corporate – dedicated to promoting and improving the technical and scientific knowledge of those working in the UK pulp and paper industry. Formed in 1960, it serves the Industry, both manufacturers and suppliers, by providing a forum for members to meet and network; it organises visits, conferences and training seminars that cover all aspects of papermaking science. It also publishes the prestigious journal Paper Technology and the PITA Annual Review , both sent free to members, and a range of other technical publications which include conference proceedings and the acclaimed Essential Guide to Aqueous Coating .

Page 1 of 9

Article 8 – Whiteness Measurement

Made with FlippingBook Annual report maker