15cc Phenol liquid reagent refill for CTX 28017 analyzer
15cc PHENOL liquid reagent refill for CTX analyzer.
Ortho toluidine is a transparent reagent that turns yellow in contact with oxidizing substances (chlorine and bromine).
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The delivery time for this product is 3 - 7 working days.

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Phenol red is a substance that reacts to changes in pH by varying its color from yellow to red-purple.
The test with OTO must always be carried out before the pH test as for high levels of chlorine or bromine the pH test may give incorrect results.
Always rinse the cuvettes well with the water to be analyzed before testing.
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