Discussion Category:  Titrators

fluoride electrode PERFECTION COMB F LEMO

We have been getting inconsistent results for our calibration of fluoride electrode. Using a 0.2, 1 and 2mg/L standard we would using have millivolt readings of  147mV, 110mV, 93.2mV  respectively. Currently we are getting millivolt readings of  174.9mV, 166.2mV and 152.9mV . I have tried everything I can think of and still getting bad readinsg. Any suggestions?

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kdraper
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