Abstract
WE wish to report on studies made of the polarized infra-red spectra, of variously drawn nylon-66 filaments, where it has been found that the method used for specimen preparation may have an important influence on the experimental results. The optics of the 0.78 N.A. reflecting microscope used, in connexion with a Perkin–Elmer Model 12-C infra-red spectrometer, were identical with those mentioned by Quynn and Steele1. A set of silver chloride sheets was used for obtaining polarized radiation.
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References
Quynn, R. C., and Steele, R., Nature, 173, 1240 (1954).
Fraser, R. D. B., J. Chem. Phys., 21, 1511 (1953).
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CAROTI, G., DUSENBURY, J. Effect of Drawing on the Infra-red Dichroism of Nylon-66 Filaments. Nature 178, 162–163 (1956). https://doi.org/10.1038/178162a0
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DOI: https://doi.org/10.1038/178162a0