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Scattering-angle calibration in an automated small-angle light-scattering apparatus

✍ Scribed by T. W. Ng

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 285 KB
Volume: 62
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19961024)62:4<617::aid-app4>3.0.co;2-w

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✦ Synopsis

SYNOPSIS

Quantitative analysis in the small-angle light scattering technique for crystalline polymer studies is facilitated by the incorporation of charge-coupled detectors and image digitization and processing schemes which enable the intensity and angular dependence of scattered light to be measured. This task, however, can only be successfully achieved if a calibration procedure, where each pixel in the camera is related to its respective scattering angle component, is first implemented. In this article, a rapid and convenient calibration procedure that uses the diffraction pattern from a grating with a predetermined center-to-center distance is outlined.

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