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Isolation of Rubidium
- When
- 1861
- Where
- Heidelberg
Bunsen and Kirchhoff discovered rubidium in 1861 from lepidolite in Heidelberg, yielding 9.2 grams of rubidium chloride.
Rubidium was discovered in 1861 by Bunsen and Kirchhoff in Heidelberg, Germany, through flame spectroscopy. It was the second element discovered by spectroscopy. They isolated it from the mineral lepidolite. Their large-scale isolation involved 44,000 litres of mineral water, yielding 9.2 grams of rubidium chloride.
Sources
- Rubidium Wikipedia, revision of 2026-09-15
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