Genuine spare part for select models of Hoover fridge freezers. Faulty products will replaced upon receipt of the faulty item unless authorized by us.
Strontium was recognized as a new element in 1790 when Adair Crawford analyzed a mineral sample from a lead mine near Strontian, Scotland. Until then scientists had thought strontium and barium were the same element, and only bariumâs existence had been recognized. The mineral took its name from the Scottish town and was called strontianite (strontium carbonate).
Holmium was discovered in France by the Frenchman Jacques-Louis Soret in 1878. Holmium was discovered by Per Theodor Cleve, a Swedish chemist, in 1879. Cleve used the same m â¦ ethod Carl Gustaf Mosander used to discover lanthanum, erbium and terbium, he looked for impurities in the oxides of other rare earth elements.