William Dupré Treadwell
William Dupré Treadwell (born March 25, 1885 in Fluntern ; † July 25, 1959 in Zollikon ) was a Swiss chemist ( analytical chemistry , inorganic chemistry , physical chemistry ).
Treadwell was the son of the chemist and professor at the ETH Zurich Frederic Pearson Treadwell and studied chemistry at the University of Zurich , where he received his doctorate in 1909. After that he was briefly at the TH Stuttgart and then went to the TH Berlin-Charlottenburg , where he completed his habilitation in 1914 and was a private lecturer in analytical chemistry until 1916. He then went back to the University of Zurich at the Institute for Physical Chemistry as a private lecturer with Emil Baur . In 1918 he had a substitute chair for his father at the ETH Zurich and in 1919 he became his successor as full professor of general and inorganic chemistry. In 1954 he resigned.
He applied electrochemical methods in analysis (electrogravimetric separation, conductiometric and potentiometric end point determination in titration with an indicator electrode ) and optical methods (spectral analysis, photometry, colorimetry) and was thus one of the founders of modern analysis. A micro gas analysis comes from him. He published tables for quantitative analysis and a new edition of the tables for qualitative analysis of his father.
He dealt with water analysis and, in the inorganic field, early on with radiochemistry and the pure preparation of metals. In physical chemistry he dealt with equilibria of ions in aqueous solutions (enthalpy, entropy) and ion exchange on amorphous hydroxides (hydroxide sols).
In 1949 he received the Werder Prize. In 1945 he received an honorary doctorate in Bern.
Treadwell was a member of the Nomenclature Commission of the International Chemical Union until 1952 and of the Federal Examination Commission for Precious Metals Control until 1954.
Fonts
- Electrogravimetry , 1915.
- Short textbook of analytical chemistry , 2 volumes, 1943.
literature
- Peter Müller-Grieshaber: Treadwell, William Dupré. In: Historical Lexicon of Switzerland .
- Winfried R. Pötsch (lead), Annelore Fischer, Wolfgang Müller: Lexicon of important chemists , Harri Deutsch 1989, p. 427.
Web links
| personal data | |
|---|---|
| SURNAME | Treadwell, William Dupré |
| BRIEF DESCRIPTION | Swiss chemist (analytical chemistry, inorganic chemistry, physical chemistry) |
| DATE OF BIRTH | March 25, 1885 |
| PLACE OF BIRTH | Whisper |
| DATE OF DEATH | July 25, 1959 |
| Place of death | Zollikon |