Davy-humphry meaning

dā'vē
British chemist who was a pioneer of electrochemistry, using its methods to isolate sodium and potassium (1807) and barium, boron, calcium, and magnesium (1808).
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British chemist who was a pioneer of electrochemistry. By means of electrolysis Davy isolated several elements, including sodium and potassium (1807), and barium, boron, calcium, and magnesium (1808). He also proved that diamonds are a form of carbon.
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