Key factors to watch when choosing a pH buffer solution
It cannot be overstated how important pH buffers are to setting up an accurate calibration of a pH meter so that valid measurements can be obtained from the sample.
Fully certified for traceability
Certification provides evidence of compliance with a certification program. Certified and recognized standard solutions traceable to national standards in the country of origin are used and compared to Standard Reference Materials (SRMs) produced by NIST, traceable to the IUPAC pH scale.
Why is traceability important for pH buffers?
A pH measurement is only as good as the pH buffer used. If traceable pH buffers are used for pH calibration, these measurements can be directly correlated to international pH scales. Without this, the pH units on the pH meter are just a number, not a pH value. Linkage through traceability allows comparability of results regardless of:
When measuring
where to measure
what instrument to use
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