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 | Tris-EDTA Buffer, pH 8.0 TS | EUR 39.00 |
| 1x | Zinc Standard Solution TS | EUR 75.00 |
| 2x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -2.00 |