All Conductivity Standard Solutions 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 | Acetate Buffer pH 4.7 | EUR 68.00 |
| 1x | Phosphoric Acid 10% TS | EUR 59.00 |
| 2x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -2.00 |