Reference pH Buffer 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/IEC 17034 - Reference Material Producer
| 1x | Zinc chloride solution, iodinated | EUR 338.00 |
| 1x | Perchloric Acid in Water 1M (1N) Noncertified | EUR 84.00 |
| 1x | Potassium Permanganate 0.2M (1N) Noncertified | EUR 36.00 |
| 1x | Sodium Chloride 0.1M (0.1N) Noncertified | EUR 25.00 |
| 4x | Remise des certificats d'analyse papier | EUR -4.00 |