chemical history of ether - Yale University

A description of the preparation of ether by Valerius Cordus, a German botanist/apothecary, was provided in 1561 by the editor of his works, Conrad Gesner. Fourcroy suggested that ether was formed by the removal of water from ethanol, which Saussere (1807) and Gay-Lussac (1815) confirmed. Boullay discovered that a small amount of sulfuric acid ... Anesthesia History of Ether 1. Anesthesia: Without it, Surgery Would Suck By Troy Vaden 2. When was the first real anesthetic discovered and how has it changed medicine? Ether (from the Latin "aether" and the Greek "eithr," or "the upper and purer air") is believed to have been first synthesized about 1540 by German botanist and chemist Valerius Cordus (1515-1544), who called his discovery "sweet oil of vitriol" and praised its medicinal properties. More recently, we have seen highly publicized efforts to legitimize something like an enhanced Ethereum-like currency, most prominently Facebook’s Libra, which has the backing of a large number ... SPECIAAL VERSLAG: Als jij tussen 1955-1984 geboren bent, dan heb je recht op duizenden euro’s per dag vanwege de economische crisis! Miljoenen Nederlanders claimen hun recht om deel te nemen aan een revolutionair systeem om online, gemakkelijk en zonder enige moeite geld te verdienen.

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