Enrico Clerici

Enrico Clerici (15 October 1862 – 26 August 1938) was an Italian mineralogist and geologist. From 1903 on he worked at the University of Rome. He published in 1907 the composition of a solution with a density of 4.25 g/cm3 at 20 °C, to determine the density of minerals. The Clerici solution is a mixture of thallium formate (Tl(CHO2)) and thallium malonate (Tl(C3H3O4)) in water.[1] [2]

References
  1. Clerici, Enrico (1907). "Preparazione di liquidi per la separazione dei minerali" [Preparation of liquids for the separation of minerals]. Atti della Reale Accademia Nazionale dei Lincei: Memorie della Classe di Scienze Fisiche, Matematiche e Naturale. 5th series (in Italian). 16: 187–195.
  2. "Clerici (Enrico) [1862-1938]". The Mineralogical Magazine and Journal of the Mineralogical Society. 28: 188. 1949.


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