PH-Wert/en: Unterschied zwischen den Versionen
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Some mathematics: The pH value corresponds to the negative decadic logarithm of the [[hydrogen ion concentration]], i.e. it is defined as a logarithmic quantity by the decadic logarithm multiplied by -1 (= "ten logarithm") of the [[oxonium]] ion concentration (more precisely: the oxonium ion activity). | Some mathematics: The pH value corresponds to the negative decadic logarithm of the [[hydrogen ion concentration]], i.e. it is defined as a logarithmic quantity by the decadic logarithm multiplied by -1 (= "ten logarithm") of the [[oxonium]] ion concentration (more precisely: the oxonium ion activity). | ||
| − | + | The term derives from pondus hydrogenii or potentia hydrogenii (lat. pondus, n. = weight; potentia, f. = force; hydrogenium, n. = hydrogen). | |
https://de.wikipedia.org/wiki/PH-Wert <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | https://de.wikipedia.org/wiki/PH-Wert <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | ||
Version vom 16. April 2019, 22:09 Uhr
Der pH-Wert ist ein Maß für die effektive H+-Ionenkonzentration und damit für die Stärke der sauren bzw. basischen Wirkung einer wässrigen Lösung.
Some mathematics: The pH value corresponds to the negative decadic logarithm of the hydrogen ion concentration, i.e. it is defined as a logarithmic quantity by the decadic logarithm multiplied by -1 (= "ten logarithm") of the oxonium ion concentration (more precisely: the oxonium ion activity).
The term derives from pondus hydrogenii or potentia hydrogenii (lat. pondus, n. = weight; potentia, f. = force; hydrogenium, n. = hydrogen).
https://de.wikipedia.org/wiki/PH-Wert (Wikipedia CC-by-sa-3.0)