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Uranium (1789) and zirconium (1789)
- Klaproth discovered uranium (1789) and zirconium (1789). He was also involved in the discovery or co-discovery of titanium (1795), strontium (1793), cerium (1803), and chromium (1797) and confirmed the previous discoveries of tellurium (1798) and beryllium (1798).
en.wikipedia.org/wiki/Martin_Heinrich_Klaproth
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Klaproth discovered uranium (1789) and zirconium (1789). He was also involved in the discovery or co-discovery of titanium (1795), strontium (1793), cerium (1803), and chromium (1797) and confirmed the previous discoveries of tellurium (1798) and beryllium (1798).
Martin Heinrich Klaproth was a German chemist who discovered uranium (1789), zirconium (1789), and cerium (1803). He described them as distinct elements, though he did not obtain them in the pure metallic state. Klaproth was an apothecary for many years, but his own study of chemistry enabled him.
- The Editors of Encyclopaedia Britannica
Martin Klaproth discovered the chemical elements uranium, zirconium, and cerium. He verified the discoveries of titanium, tellurium, and strontium, naming the first two of these elements.
His main fame as a chemist rests on his discovery of several new elements. In 1789 he discovered zirconium, named from zircon, the mineral from which it was isolated. In the same year he extracted uranium from pitchblende and named it for the newly discovered planet, Uranus.
Jun 11, 2018 · Working with minerals from all parts of the globe, Klaproth discovered or codiscovered zirconium (1789), uranium (1789), titanium (1792), strontium (1793,) chromium (1797), mellitic acid (1799), and cerium (1803) and confirmed prior discoveries of tellurium (1798) and beryllium (1798).
Martin Heinrich Klaproth. 1743-1817. German chemist remembered for his pioneering contributions to analytical chemistry and discovery of new elements. Klaproth deduced the presence of uranium in pitchblende (1789), zirconium in zircon (1789), and titanium in rutile (1795).
Dec 1, 2017 · Klaproth, one of the well known founders of analytical chemistry discovered uranium (1789), zirconium (1789), cerium (1803), and contributed to the identification of others. Although he did not isolate them as pure metal samples, he was able to recognize them as new elements .
