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 MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request 18901212 146.6μS/cm 500mL Conductivity Solution, one bottle 37,41 € 18901203 PH10.01 500mL 10.01pH, one bottle 19,90 €