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Re: Sodium hydroxide in local drinking water
- To: Aquatic-Plants at actwin_com
- Subject: Re: Sodium hydroxide in local drinking water
- From: Paul Sears <psears at nrn1_NRCan.gc.ca>
- Date: Sat, 23 Nov 2002 18:20:14 -0500 (EST)
- In-reply-to: <200211230023.gAN0NvFg027941 at otter_actwin.com> from "Aquatic Plants Digest" at Nov 22, 2002 07:23:57 PM
> From: NightFlight <ecwh at cogeco_ca>
> Subject: Sodium Hydroxide in local drinking water.
> It states that sodium hydroxide is used in oder to raise the PH and
> prevent corrosion, thereby lowering lead and copper levels. Fine and
> dandy, but this will have an effect of measuring Co2 via kh/ph? I think
> I already know the answer.
It will have no effect whatever on it. Why?
OH- + CO2 -> HCO3-
Any that is left over is turned into bicarbonate at the sort of pH
that interests us.
Paul Sears Ottawa, Canada