ColorpHast pH indicator strips and Hydrion pH paper
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Have anyone performed a validation study using pH strips or paper? Could you please share the process?
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We performed our pH paper (pHizatest) verification study by testing the pH of 3 levels of buffer (5.0, 6.0, 7.0) once a day for 20 days. We wrote up our results and it was signed by our medical director.