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pH probe for Flotation Circuit (1 reply)
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What do you recommend as a pH probe to measure pH in cyclone overflow tubs and in flotation cells. I have used Foxboro's but they drift within 2-3 days and once this drift occurs the measurement of high pH (>11) becomes problematic and have to be re-calibrated frequently. The pH probes are not always submerged in pulp (if the plant is down for a couple of hours) and I am not sure if this is contributing to the drift when the probe dries out. What is is good pH probe manufacturer that would not suffer from substantial drift? Any tips for avoiding pH probe drift?