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Recent content by cjones586

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  1. C

    pH Meter Calibration Solution: How long is it good for?

    Its been a while since I worked in a lab - but we used to buy our pH meter calibrants in powder form and make them up fresh in DI water immediately before use. We'd buy a box of sealed foil sachets of each calibrant, which I would guess should last a very long time - if not forever. You can get...
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