The relative isotopic composition of tin extracted from 22 terrestrial samples, 4 iron meteorites, and the metal phase of 1 mesosiderite has been measured in a solid source mass spectrometer. No differences greater than 1% were found in the abundances of masses 116 to 124 or greater than 5% for masses 112 and 114 in any of these samples with respect to a tin standard.
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Laeter et al. (1965) studied this question.
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