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Louis Nicolas Vauquelin (16 May 1763 - 14 November 1829), was a French pharmacist and chemist. ... and it is perhaps surprising that among all the substances he analysed he only detected two new elements, beryllium in 1798 in beryl and chromium in 1797 in a red lead ore from Siberia. He also managed to get liquid ammonia at atmospheric pressure.

http://en.wikipedia.org/wiki/Louis_Nicolas_Vauquelin

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15y ago

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