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  1. ajw160

    pH measurement of oily water after gas/water separator

    Hello All: I'm looking for a relatively maintenance-free and robust solution for accurate measurement of pH for use after a gas/water separator in an oily water environment. Max temperatures will be around 120F with pressures possibly reaching nearly 500 psi. Doing this type of thing in a...
  2. ajw160

    On-line citywater alkalinity measurement

    Hello All: Has anyone here had any successful dealings with Hach's APA 6000 meters? The problem we're having is that the automated readings are not even close to the manual testing. Perhaps a specific backround interference is affecting one test but not the other (methyl purple and N50 as...

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