Klaproth, Martin Heinrich (märˈtēn hĪnˈrĭkh kläpˈrōt) [key], 1743–1817, German chemist. He is often referred to as the father of analytic chemistry. He recognized (1789) the presence of zirconium in the ore zirconia and of uranium in a precipitate of pitchblende. He also worked on other elements, including titanium and tellurium.
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