CPAChem Products - Primary pH Buffer Solutions

Primary pH Buffer Solutions are Certified Reference Materials, produced and calibrated under CPAchem's quality system that is:
- ISO 9001 certified.
- accredited according to ISO/IEC 17025 - Testing
- accredited according to ISO/IEC 17034 - Reference Material Producer
The metrological traceability is assured through calibration by primary method for pH measurement - HARNED CELL
Expanded Uncertainty - from 0.003 to 0.005