History Of The Process And Present State Of Animal Chemistry - Softcover

W. B. Johnson

Softcover

ISBN 10: 0371758068 ISBN 13: 9780371758069

Publisher: HardPress, 2021

Synopsis

History Of The Process And Present State Of Animal Chemistry by W. B. Johnson surveys an 18th-century program of chemical physiology through practical laboratory methods, including distillation, acids and alkalis, and precipitants to identify the principal constituents of animal matter. It offers a comparative framework across humans, other mammals, and a broad range of marine and fossil materials, drawing on the work of contemporary chemists such as Hunter, Vauquelin, Fourcroy, Thouret, Hatchett, Seguin, and Biggin. The work classifies substances into fluids and solids, with treatment of liquors such as amnii, milk, gastric juice, bile, eggs, and blood, and of solids including muscles, viscera, skin, bones, shells, horns, and enamel. A central claim is that rigid structures arise from carbonate of lime or phosphate of lime embedded in gelatinous, mucilaginous, cartilaginous, or membranous matrices. Methods for separating components—pressing, heating, coagulation, distillation, and solvent extraction—are described, as are topics like tanning, glue production, isinglass, and the chemistry of dyes and mordants. Across tissues, the author proposes a unifying view of life’s substances as variations on mineral-organic building blocks, set within the era’s evolving chemical theories and experimental techniques.

Edition details

• Publisher: HardPress
• Publication date: 2021
• Language: English
• ISBN 10: 0371758068
• ISBN 13: 9780371758069
• Binding: Paperback
• Number of pages: 436