£16.80 excl. VAT
£20.16 inc. VAT
Whatman Type CF pH indicator strips have multiple segments of different dye-impregnated paper mounted on each plastic strip. The dyes are chemically bonded so they will not leach out into your solution. The use of several different segments gives an extremely clear visual comparison for every pH value.
The Type CS pH indicator strips have a printed colour comparison chart on each test strip and a central indicator segment which changes colour. This segment is then compared with the matching colour on the strip and the pH value read off. This makes them particularly useful for coloured solutions where any colouration affects all segments.
pH is a measurement of the level of hydrogen ions in a solution, this sits on a globally established scale from 1-14. There is a range of ways used to test the pH of a sample. For virtually anything you want to test from water to ketchup to saliva there is a way of measuring the level of pH. The most simple of these methods is using pH strips or pH paper, check out our video on the subjec...
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