Abstract
ONE of the problems in high-molecular-weight mass spectrometry is to establish unambiguously the definite mass to be assigned to the fragmentation peaks in the higher mass (200–800) range. A suitable calibrating material is stannic bromide. It has a vapour pressure at 25° C. of a little less than 1 torr, and from its elementary isotopic constitution the relative peak heights can be calculated for the molecular parent ion and its fragments.
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References
Handbook of Chemistry and Physics (Chemical Rubber Publishing Co., Cleveland, 1961).
Dibeler, V. H., and Mohler, F. L., J. Amer. Chem. Soc., 70, 987 (1948).
Norton, F. J., J. Amer. Chem. Soc., 71, 3488 (1949).
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NORTON, F. Distribution Patterns of Isotopic Peaks in the Mass Spectrum of Stannic Bromide. Nature 194, 467–468 (1962). https://doi.org/10.1038/194467a0
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DOI: https://doi.org/10.1038/194467a0
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