All High Purity Compounds 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/IEC 17034 - Reference Material Producer
1x | Buffer Solution pH 2.2 | EUR 65.00 |
1x | Matrix Modifier: NH4NO3 (99.999%) 50 g/l in H2O | EUR 127.00 |
2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |