pH indicators. Computer artwork showing a selection of indicators used to test different pH ranges. The pH scale is a measure of the acidity or alkalinity of an aqueous solution. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic,or alkaline. Pure water has a pH very close to 7 (neutral) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Jensen, Mikkel Juul |
Bildgröße: | 5714 px × 3076 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |