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Calibrating pH meter
I am calibrating a pH meter. Can I use distilled water that I already prepared at normal room temperature? and its pH is 7 or is variable?
o.u.hyd
researcher - Hyderabad, A.P., India
2004
No, you need at least two buffered standard solutions to calibrate a pH meter.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
2004
2007
How do I calibrate my ph pen? I have 2 solutions with the pen, but instructions are mad. My solutions are, ph4.003, and ph 6.864, they are my buffers. This is for checking ph in a tropical fish tank.
Thanks in advance
Jim
James Langan
- Glasgow, Scotland, UK
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