Henry-Louis Le ChatelierDied 17 Sep 1936 at age 85 (born 8 Oct 1850).French chemist who is best known for the principle of Le Chatelier, which makes it possible to predict the effect a change of conditions (temperature, pressure, and concentration of reaction components) will have on a chemical reaction. This principle proved invaluable in the chemical industry for developing the most efficient chemical processes. Fritz Haber successfully utilized it in his process for the production of ammonia. Le Chatelier's interests began in metallurgy, cements, ceramics, and glass, and his studies of flames led him to study heat and its measurement. Of several contributions to thermometry, his most important was the first successful design of a platinum and rhodium thermocouple for measuring high temperatures (1887). |
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