- Type- Reagent Powder Pillows for photometric determination
- Range- pH 6.2 – 8.2
- Sufficient for- 100 determinations
- Shelf life- at least 5 years from production
- Sea water suitability- yes
The pH value indicates whether a water reacts acidic, alkaline or neutral. It is determined by the concentration of hydrogen ions.
All biological processes in water are tied to specific pH ranges. For municipal and industrial applications, too, the control of specific pH limits is important since e. g. the efficiency of sewage plants or the corrosive action of tap water on the pipes depend on the pH value. Contrary to pH indicator papers, VISOCOLOR Powder Pillows pH can also be used to determine accurate pH values in un-buffered sample solutions.
High contents of neutral salts and colloids as well as organic solvent concentrations above 10 % can cause wrong results.