Mitscherlich, Eilhard īl´härt mĭch´ərlĭkh [key], 1794–1863, German chemist. He was professor at Berlin from 1822. Noted for his discovery of the principle of isomorphism , he did important work also on the compounds of phosphorus and arsenic and on benzene derivatives, and he discovered permanganic and silenic acids and nitrobenzene.
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