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pH of RO water.

To: Aquatic-Plants at actwin_com
Subject: pH of RO water.
From: joseph sachleben <jsachleb at chemistry_ohio-state.edu>
Date: Mon, 4 Jan 1999 08:32:53 -0500 (EST)
In-Reply-To: <199901030848.DAA20947 at acme_actwin.com>

Hi all,

The pH of RO water will start out near what the
tap water was. The pH of DI water will start out
neutral. After sitting out a while, both will
go to a pH of about 5.5 because of CO2 disolving
into the water. The H2CO3, HCO3- buffer system
ends up being the buffering that naturally occurs
in RO/DI water. 

Joe Sachleben
jsachleb at chemistry_ohio-state.edu

***********************************************
Dr. Joseph R. Sachleben
Research Scientist
Solid-State NMR Facility
Campus Chemical Instrument Center
The Ohio State University
Johnston Laboratory 119
176 W. 18th Ave.
Columbus, OH 43210

phone: (614)292-7424
fax: (614)292-
email: jsachleb at chemistry_ohio-state.edu

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