A determination of the number of alpha p
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G.F.S.
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Article
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1922
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Elsevier Science
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English
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Thorium C and its products produce, in the course of disintegration, alpha rays of ranges 8.6 centimetres and 5.0 centimetres in air, in the proportion of 65 to 35. At the same time they produce hard gamma radiation. Radium C similarly emits hard gamma radiation and alpha particles of range 6.96 ce