Dear Sudheer,
pure water has a theoretical pH of 7. What you are measuring, is the
effect of trace amounts of impurities, e.g. dissolved CO2 from the air.
As there is (virtually) no buffering capacity, what you are measuring is
irrelevant for buffer preparation etc.
Regards
Wo
On 2017年06月06日 22:56, Sudheer Sangeetham wrote:
HI
can someone tell me what is the milliQ water pH? In my working institute I
have two departments, I collected milli Q from both departments and checked
the pH. I have got pH 4.3 and 5.4, respectively . I donno which one I
should believe.
Thanks
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