Abstract
INFRA-RED spectroscopy affords a possible method for the estimation of sulphur trioxide in examination of gaseous mixtures, provided that a sufficiently inert material can be found to contain this highly reactive gas. We have found that plates of ‘Irtran 2’ can be used for this purpose. These are only slowly attacked by sulphur trioxide and the extent of the attack is insufficient to interfere with the measurements; rocksalt plates, on the other hand, are rapidly attacked.
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References
Gerding, H., and Lecomte, J., Physica, 6, 737 (1939).
Flint, D., J. Soc. Chem. Indust., 67, 2 (1948).
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BENT, R., LADNER, W., PANKHURST, K. et al. Infra-Red Estimation of Sulphur Trioxide. Nature 193, 62–63 (1962). https://doi.org/10.1038/193062a0
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DOI: https://doi.org/10.1038/193062a0
