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 | Ammonium and cerium sulphate 0.01M (acc. to old P... | EUR 89.00 |
| 1x | Discount for non-paper Certificate of Analysis | EUR -1.00 |