Sada pufrů pH 4,01; pH 7,01; pH 10,01 Back Catalog number: HI54710 Manufacturer: Hanna Instruments Czech Availability: In the manufacturer's stock Price on request - + Recommended 18901205 PH12.46 500mL 12.46pH, one bottle 34,23 € MA923B/3 Redox Epoxy electrode MA923B/3 Price on request 18901201 PH9.18 500mL 9.18pH, one bottle 19,90 €