All Inorganic 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 | HighPurS-CERT - Boric Acid (H3BO3) - min. 99.999%... | EUR 83.00 |
| 1x | HighPurS-CERT - Calcium Nitrate (Ca(NO3)2) - min.... | EUR 470.00 |
| 2x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -2.00 |