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Proceedings Paper

Low-cost external reflection unit for rapid analysis of carbon-filled rubbers
Author(s): Bert Lutz; Hendrik J. Luinge; John H. van der Maas; Rob van Agen
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Paper Abstract

The analysis of carbon-filled composites used in the production of tires is a laborious, time consuming and polluting `wet chemistry' job. Infrared reflection techniques, internal as well as external, are excellent alternatives as sampling is simple and fast. The internal reflection technique (ATR) proves to be useful for samples with a carbon content up to 20% w/w, where absorption of radiation becomes too strong. We have constructed a low-cost large area horizontal specular reflection device which allows handling samples with carbon contents up to 50%. Although compared to transmission and ATR the reflectance spectra are rather complex, mathematical differentiation and application of partial least squares regression gives qualitative and quantitative results suited for production control, trouble shooting and fast product analysis in an industrial environment.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166714
Show Author Affiliations
Bert Lutz, Univ. Utrecht (Netherlands)
Hendrik J. Luinge, Univ. Utrecht (Netherlands)
John H. van der Maas, Univ. Utrecht (Netherlands)
Rob van Agen, Vredestein Banden b.v. (Netherlands)


Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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