Reference 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
| 1x | Total Acid Number (TAN) - 0.5 mgKOH/g | EUR 198.00 |
| 1x | Total Acid Number (TAN) - 3 mgKOH/g | EUR 573.00 |
| 1x | Total Acid Number (TAN) - 1 mgKOH/g | EUR 198.00 |
| 1x | Total Acid Number (TAN) - 0.1 mgKOH/g | EUR 573.00 |
| 1x | Total Acid Number (TAN) - 0.5 mgKOH/g | EUR 573.00 |
| 1x | Sulphur in Diesel Oil, Calibration Kit: 10mg/kg, ... | EUR 132.00 |
| 6x | Remise des certificats d'analyse papier | EUR -6.00 |