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 18901193 PH6.86 250mL 6.86pH, one bottle 320,00 Kč 18901192 PH4.00 250mL 4.00pH, one bottle 320,00 Kč 18901155 D201T 3-in-1 Plastic pH probe 1 300,00 Kč