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 5190-3990 P3311 pH triode electrd w/refl solution 534,91 € 18901201 PH9.18 500mL 9.18pH, one bottle 19,90 € MA840 Polarographic DO probe with 3m cable Price on request