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VISOCOLOR® Powder Pillows PH

Macherey-Nagel A special mixture of indicator dyes gives a characteristic color for every pH value within the range of the kit. The favorable ratio between sample volume and amount of indicator minimizes the indicator error (acid-base-error). This allows reliable pH measurements in weakly buffered solutions as well.

VISOCOLOR Powder Pillows pH reagent, range: pH 6.2-8.2 - Pack of 100

Picture of pH100

£25.44 £24.52 (exc. VAT)
£30.53 £29.42 (inc. VAT)
Order now for 13 day delivery

Data Information

  • 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.

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