All Pt-Co/ Hazen 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 | PCB 147 CAS:68194-13-8 | EUR 129.44 |
| 1x | BDE 143 CAS:N/A | EUR 813.67 |
| 1x | Nickel standard solution (10 ppm Ni) 100 times co... | EUR 61.00 |
| 3x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -3.00 |