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Histoire
Louis Joseph Gay-Lussac (1778 - 1850)
Chemist and French, known physicist for his studies on the properties of gases.
Born with Saint-Léonard-of-Noblat, Louis Joseph Gay-Lussac made his studies at the Polytechnic school, where he became professor of 1809 to 1839.
In 1802, he discovered the law of dilation of gases and, a few years later, the laws volumetric which bear its name today.
These last stipulate that the gases mix between them according to simple volumetric reports/ratios.
In 1804, he undertook two rises in balloon in order to study the variations of the terrestrial magnetism and the composition of the air at various altitudes.
In 1808, in collaboration with the French chemist Louis Jacques Thenard, Gay-Lussac worked with the preparation of potassium and sodium, and discovered boron.
The following year, it showed that chlorine, called then muriatic acid oxygenated, was in fact an element.
In 1815, he discovered cyanogen, of formula C2N2, and the hydrocyanic acid.
In the field of industrial chemistry, it improved the manufactoring processes of the sulphuric acid and the oxalic acid and developed methods of control by proportioning.
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