All Organic 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 | Conductivity Standard 50 uS/cm at 25 C | EUR 76.00 |
| 1x | Conductivity Standard 5 uS/cm at 25 C in 30% n-pr... | EUR 76.00 |
| 1x | pH 4.00 at 20 C Citric Acid/ Sodium Chloride/ Sod... | EUR 40.00 |
| 1x | pH 3.00 at 20 C Citric Acid/ Sodium Chloride/ Hyd... | EUR 30.00 |
| 1x | pH 5.00 at 20 C Citric Acid/ Sodium Hydroxide | EUR 30.00 |
| 1x | Boric Acid and Potassium Chloride 0.2M | EUR 39.00 |
| 1x | pH 6.00 at 20 C Citric Acid/ Sodium Hydroxide | EUR 40.00 |
| 1x | Xylenol orange triturate | EUR 78.00 |
| 8x | Отстъпка за безхартиено копие на Сертификат за анализ | EUR -8.00 |