Palintest Phenol Red Tablet AP-130

AP130 – Phenol Red Tablet – Palintest

Test for pH value of water and Aqueous solutions
pH measurement is one of the tests most frequently carried out on water and aqueous solutions. The phenol red indicator method provides a simple colorimetric 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 water containing normal levels of chlorine or other disinfectant residuals.

Testing Procedure :-
1. Fill test tube with sample to the 10 ml mark.
2. Add one Phenol Red tablet, crush and mix to dissolve.
3. Select Phot 27 on Photometer. 4 Take Photometer reading in usual manner (see Photometer instructions)

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