VIII) that about 21 per cent, of the normal radioactivity of thorium oxide under ordinary conditions consists of a secondary activity excited on the mass of the material. This portion is, of course, a variable, and since it is divided among the total... Journal of the Chemical Society - Page 846by Chemical Society (Great Britain) - 1902Full view - About this book
| 1902 - 890 pages
...these are almost certainly to be accounted for in another way. It will be shown later (section IX.) that about 21 per cent, of the normal radioactivity...independent of the molecular conditions is not final. Tin- following experiment, however, makes it extremely probable. A quantity of thorium nitrate as obtained... | |
| Mary J. Nye - 1983 - 700 pages
...material. This portion is of' course a variable; and since it is divided among the total mmmmmount of matter present, the conditions of aggregation,...will affect the value of' this part. This effect of excite(l radioactivity in thoi'iummt mmmmmkes a certain answer to the qumestion difficult, and on this... | |
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