All High Purity Compounds 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 | Pt-Co/ Hazen 0 Colour Reference Standard (Optical... | EUR 91.00 |
| 1x | Pt-Co/ Hazen 250 Colour Reference Standard | EUR 194.00 |
| 2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |