pH buffer solution Back Catalog number: 18901165 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 16,37 € 13,53 € - + Recommended 18901194 PH9.18 250mL 9.18pH, one bottle 12,74 € 18901182 DREF01 Reference electrode 19,90 € 18901203 PH10.01 500mL 10.01pH, one bottle 19,90 €