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Chemical Notes

Nature volume 25, pages 567568 | Download Citation



WHETHER the atomic weight of uranium is represented by the number 120 or 240, is still a disputed question. Experiments recently conducted by Herr Zimmermann (Berichte)are strongly in favour of the latter number. Herr Zimmermann has determined the densities of the varours of uranium tetrabromide and tetrachloride, by Victor Meyer's method, at the temperature of a Perrot's furnace: his results are as follows:—

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