All Solutions according to EPA Methods 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 | 3-Methyl-2-butanone CAS:563-80-4 EC:209-264-3 | EUR 40.52 |
| 1x | 4-Methyldiphenylmethane CAS:620-83-7 | EUR 54.34 |
| 2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |