Anselme Payen,French chemist
Bildnummer 11584932
| Anselme Payen (1795-1871),French chemist. Payen was born at Paris and studied at the Ecole Polytechnique under Vauquelin and Chevreul. At the age of 23 he took over the management of a borax refinery. He developed a process from synthesising borax from soda and boric acid that broke the Dutch monopoly on borax importing to Europe and significantly reduced the price. Payen also designed a process for refining sugar and invented a decolorimeter for analysing the product. He was the first to isolate cellulose and the first known enzyme,diastase. He also devised a way to refine starch and alcohol from potatoes. From 1835 he served as professor of chemistry at the Ecole Centrale in Paris,later also at the Conservatoire National des Arts et Metiers | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Royal Institution of Great Britain |
| Bildgröße: | 3780 px × 4707 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
Preise für dieses Bild ab 15 €
Universitäten & Organisationen
(Informationsmaterial Digital, Informationsmaterial Print, Lehrmaterial Digital etc.)
ab 15 €
Redaktionell
(Bücher, Bücher: Sach- und Fachliteratur, Digitale Medien (redaktionell) etc.)
ab 30 €
Werbung
(Anzeigen, Aussenwerbung, Digitale Medien, Fernsehwerbung, Karten, Werbemittel, Zeitschriften etc.)
ab 55 €
Handelsprodukte
(bedruckte Textilie, Kalender, Postkarte, Grußkarte, Verpackung etc.)
ab 75 €
Pauschalpreise
Rechtepakete für die unbeschränkte Bildnutzung in Print oder Online
ab 495 €