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 | Chromium (VI) oxide TS | EUR 33.00 |
| 1x | Citric acid TS 0.01 mol/l | EUR 33.00 |
| 1x | Citric acid-phosphate-acetonitrile TS | EUR 56.00 |
| 1x | Bromophenol blue-potassium hydrogen phthalate TS | EUR 40.00 |
| 4x | Discount for non-paper Certificate of Analysis | EUR -4.00 |