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 | Adipic acid CAS:124-04-9 EC:204-673-3 | EUR 37.53 |
| 1x | Cefoperazone CAS:62893-19-0 EC:263-749-4 | EUR 84.26 |
| 1x | Anthranilic acid CAS:118-92-3 EC:204-287-5 | EUR 37.33 |
| 1x | Beta-Nicotinamide adenine dinucleotide hydrate CA... | EUR 149.15 |
| 1x | Octachloronaphthalene CAS:2234-13-1 EC:218-778-7 | EUR 54.78 |
| 1x | 4,4'-Isopropylidenedicyclohexanol (mixture of iso... | EUR 44.00 |
| 1x | pH 3.776 at 25 C Potassium Dihydrogen Citrate | EUR 40.00 |
| 7x | Discount for non-paper Certificate of Analysis | EUR -7.00 |