Decouverte

1798 · réf. 43089 — Paris Fuchs et Guillaume An VIe. 1798. Contemp. hcalf. Spine gilt. Very slightly rubbed. Small stamps on verso of titlepage. In: "Annales de Chimie ou Recueil de Mémoires concernant la Chemie" Tome 25. - 3353 pp. 2 engraved folded plates and 1 folded table.the entire volume offered. Vauquelin's papers: pp. 21-32 a. pp. 194-204. Some brownspots to the first and last leaves otherwise fine and clean. First printing of the papers in which Vauquelin describes and announces his discovery of Chromium. The first paper was simultaneously printed in Mem.de l'Institut. Because of its many coloured compounds Fourcroy and Haüy suggested the name 'chromium' for the new metal. Greek chroma-colour.In 1797 Vauquelin began his own studies of Siberian red lead. He was convinced that the mineral contained a new element. None of the elements then known could account for his results. He reported "a new metal possessing properties entirely unlike those of any other metal." A year later Vauquelin was able to isolate a small sample of the metal itself. He heated charcoal nearly pure carbon with a compound of chromium chromium trioxide Cr 2 O 3 . When the reaction was complete he found tiny metallic needles of chromium metal. DSB XIII p. 597 - Parkinson "Breakthrough" 1798 C.The volume contains other importent papers in the history of chemistry Guyton "Examen de quelques propriétés du Platine" a. "Examen de quelques critiques de la nomenclature de chimistes francais" Chaptal "Observations sur la fabrication de l'acétite de cuivre verd-de-gris etc. unknown