pH 7 H2O

Gavin Chan gavin at zonvark.wustl.edu
Tue Aug 27 17:09:58 EST 2002

pH is a function of temperature, and so is neutrality.  Is the quoted pH=3D=
for a specific temperature?

 water's pH =3D 7 corresponds to neutrality is true only at 25=B0 C


John wrote:

> Hi All,
> I'm posting this with the hope that someone out there knows of a company
> that carries bottled water that is QCed to a pH of 7 or slightly above.
> Lately, in our lab, we've found that our stock has varied in pH from 5-6,
> and this causes unwanted results in our sequencing.
> Thanks in advance!
> John
> ---


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