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" I made an analysis of it some time ago ; I could not find any Tellurium in it, but the blow-pipe always afterwards retained the odour of this metal. Duripg my researches on Selenium, I recollected this circumstance, and the friend who possessed the mineral,... "
Exotic Mineralogy,: Or, Coloured Figures of Foreign Minerals, as a ... - Pagina 108
di James Sowerby - 1817 - 351 pagine
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Annals of Philosophy: Or, Magazine of Chemistry, Mineralogy ..., Volume 11

1818 - 514 pagine
...retained the odour of this metal. During my researches on selenium, 1 recollected this ciioumstance ; and the friend who possessed the mineral sent me a sufficient quantity for an exact analysis.' I find it to be composed of one atom of selenuret of silver, and two of selenuret of copper ARTICLE...
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