BERTHOLLET, Claude Louis (1748-1822, chemist). Autograph letter signed to [Guyton] de Morveau (at Dijon), Paris, 20 July 1788, 3 pages, 4to , address panel (remains of seal, seal tear in 2nd leaf).
BERTHOLLET, Claude Louis (1748-1822, chemist). Autograph letter signed to [Guyton] de Morveau (at Dijon), Paris, 20 July 1788, 3 pages, 4to , address panel (remains of seal, seal tear in 2nd leaf). An interesting scientific letter to a fellow chemist and lifelong friend, explaining the process of oxidisation and the dissolution of metals in ammoniacal solutions and other related matters. 'La pellicule brillante que vous avez remarquée sur la dissolution ammoniacale d'argent, n'est certainement pas due à de l'argent métallique, au contraire ce métal y est plus oxidé que dans l'état détonnant. He warns Guyton de Morveau to be careful of his eyes -- 'M[onsieu]r Dupuget Sous Gouverneur du Dauphin a pensé les perdre', and complains of the failure of his printer, 'ce maudit imprimeur', to send proofs and enquires about a dictionary of chemistry. Berthollet collaborated with Guyton de Morveau and others in producing the first systematic method of chemical nomenclature, the basis of the modern system of naming chemical compounds; their work was published in 1787. He was the first to analyse correctly the composition of ammonia and the process of oxidisation, and as a director of the Gobelins manufacture contributed to knowledge of dyeing procedures. He is also remembered for his invention of 'l'eau de Javel' [chlorine-based bleach]. Louis-Bernard Guyton de Morveau (1732-1813) was until 1782 advocate general of the parliament of Dijon, where he taught chemistry. A fervent supporter of the Revolution, he was also the founder of the Ecole Polytechnique.
BERTHOLLET, Claude Louis (1748-1822, chemist). Autograph letter signed to [Guyton] de Morveau (at Dijon), Paris, 20 July 1788, 3 pages, 4to , address panel (remains of seal, seal tear in 2nd leaf).
BERTHOLLET, Claude Louis (1748-1822, chemist). Autograph letter signed to [Guyton] de Morveau (at Dijon), Paris, 20 July 1788, 3 pages, 4to , address panel (remains of seal, seal tear in 2nd leaf). An interesting scientific letter to a fellow chemist and lifelong friend, explaining the process of oxidisation and the dissolution of metals in ammoniacal solutions and other related matters. 'La pellicule brillante que vous avez remarquée sur la dissolution ammoniacale d'argent, n'est certainement pas due à de l'argent métallique, au contraire ce métal y est plus oxidé que dans l'état détonnant. He warns Guyton de Morveau to be careful of his eyes -- 'M[onsieu]r Dupuget Sous Gouverneur du Dauphin a pensé les perdre', and complains of the failure of his printer, 'ce maudit imprimeur', to send proofs and enquires about a dictionary of chemistry. Berthollet collaborated with Guyton de Morveau and others in producing the first systematic method of chemical nomenclature, the basis of the modern system of naming chemical compounds; their work was published in 1787. He was the first to analyse correctly the composition of ammonia and the process of oxidisation, and as a director of the Gobelins manufacture contributed to knowledge of dyeing procedures. He is also remembered for his invention of 'l'eau de Javel' [chlorine-based bleach]. Louis-Bernard Guyton de Morveau (1732-1813) was until 1782 advocate general of the parliament of Dijon, where he taught chemistry. A fervent supporter of the Revolution, he was also the founder of the Ecole Polytechnique.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
