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ninhydric1
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[*] posted on 6-1-2018 at 15:00


In my case, my pH meter only calibrates with 4.00, 6.86, and 9.18 buffer solutions. I guess if you had a pH meter which could calibrate different pH values, then you wouldn't need it.



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 Sciencemadness Discussion Board » Fundamentals » Reagents and Apparatus Acquisition » Old Filter paper   Go To Top