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Rapidox nh3 gas module

Rapidox nh3 gas module

Jan 16, 2016If your sample is water, you add NaOH to the water. The ammonium ions go to ammonia gas, the gas permeates the PTFE membrane into the KCl, the KCl becomes alkaline and the pH electrode responds to the change. You need to calibrate if you want accurate figures - the electrode is very simple, reliable and measures ammonia down to ppm levels.

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