GAY-LUSSAC, (JOSEPH).

Essai des potasses du commerce.

(Paris, Chez Crochard, 1828.). Without wrappers. In: "Annales de Chimie, ou Recueil de Mémoires concernant la Chemie" Ser. II, Tome 39, Cahier 4. Pp. 337-444 (Entire issue offered). Gay-Lussac's paper: pp. 337-368 and 1 engraved plate.

First printing of this paper in which he describes acide normale ("normal acid") as a standard solution of l00 grams of sulfuric acid diluted to one liter. Gay-Lussac used litmus as an indicator and describes accurately the color transition in different reactions.

Order-nr.: 45506