Oligo stability in water at -20 C
Richard P. Grant
see_sig at cmtech.co.delete.uk
Wed Aug 12 11:04:17 EST 1998
In article <19980812151539.19492.rocketmail at send102.yahoomail.com>,
rjdudley at yahoo.com wrote:
: > Pure water is pH 7.0 by definition. (Equal concentration of H+ and
: > OH-). If your pH meter reads 6, then it is the pH meter that is
: > not necessarily the water. And I will add that most pH meters
: cannot give
: > a precise reading in such weakly buffered conditions, so do not feel
: > you have an inferior product!
: The definition is true; however, Milli-Q is not "pure by definition"
well, I never actually claimed it was. I said the pH of pure water, by
definition is 7, /not/ that Milli-Q water is pH 7 by definition.
Richard P. Grant MA DPhil | rgrant at cmtech.co.uk
Senior R&D Scientist | work: www.cmtech.co.uk
Cambridge Molecular | home: www.avnet.co.uk/adastra
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