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 | Methacrylic acid CAS:79-41-4 EC:201-204-4 | EUR 57.43 |
| 1x | Selenium Se - 10 g/l in diluted HNO3 for ICP | EUR 42.00 |
| 2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |