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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