All Turbidity 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 | PCBs Standard Solution 1 component (EPA 8080A) A... | EUR 25.00 |
| 1x | Ammonium Chloride TS | EUR 75.00 |
| 1x | Diphenylamine TS | EUR 81.00 |
| 1x | Ammonium Vanadate TS | EUR 53.00 |
| 4x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -4.00 |