Description
To be used with a Palintest Photometer Water Tester.
pH measurement is one of the tests most frequently carried out on water and aqueous solutions. The phenol red indicator method provides a simple colour metric means of pH determination for neutral and slightly alkaline waters over the range 6.8 – 8.4 units. The Phenol Red pH test is particularly applicable to testing swimming pools and spas.
Method The Palintest Phenol Red test uses a tablet reagent containing the precise amount of phenol red indicator required for the test. Phenol red reacts in water at different pH values over the range 6.8 – 8.4 to produce a distinctive range of colours from yellow to red. The colour of the test solution is indicative of the pH value and is measured using a Palintest Photometer. Phenol red tablets contain a dechlorinating agent so that the test can be carried out in wat
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