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 | Ammonia (Ammonium Hydroxide) 0.1M (0.1N) | EUR 32.00 |
| 1x | Cobalt Co - 1 g/l in diluted HCl for AAS | EUR 20.00 |
| 1x | NCC Standard Solution - 11 components (EPA 619) ... | EUR 110.00 |
| 1x | Hydrochloric Acid 0.05M (0.05N) | EUR 25.00 |
| 1x | Hydrochloric Acid 0.2M (0.2N) | EUR 25.00 |
| 1x | Acetate Buffer pH 3.5 | EUR 68.00 |
| 6x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -6.00 |