All TOC 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 | Sudan 1 CAS:842-07-9 EC:212-668-2 | EUR 38.12 |
| 1x | Sudan 4 CAS:85-83-6 EC:201-635-8 | EUR 39.39 |
| 1x | Internal and injection Standard 1 component (EN 1... | EUR 61.00 |
| 3x | Discount for non-paper Certificate of Analysis | EUR -3.00 |