All Petrochemical Standards 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 17034 - Reference Material Producer
| 1x | Amido black 10B solution | EUR 51.00 |
| 1x | Remise des certificats d'analyse papier | EUR -1.00 |