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 18901214 12.85mS/cm 500mL Conductivity Solution, one bottle 38,19 € 18901192 PH4.00 250mL 4.00pH, one bottle 13,00 € 18901188 DDJS-0.01VK ultra-low conductivity probe kit 132,03 €