All 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 17034 - Reference Material Producer
| 1x | PCB 106 [CAS:70424-69-0] 500ug/ml in Iso-octane | EUR 42.00 |
| 1x | PCB 16 [CAS:38444-78-9] 500ug/ml in Iso-octane | EUR 42.00 |
| 1x | Esfenvalerate [CAS:66230-04-4] 100 ug/ml in Aceto... | EUR 28.00 |
| 1x | Primary solution Red | EUR 118.00 |
| 1x | PCB 117 [CAS:68194-11-6] 100ug/ml in Iso-octane | EUR 37.00 |
| 1x | PCB 136 [CAS:38411-22-2] 100ug/ml in Iso-octane | EUR 27.00 |
| 1x | pH 3.776 at 25 C Potassium Dihydrogen Citrate | EUR 40.00 |
| 7x | Discount for non-paper Certificate of Analysis | EUR -7.00 |