pH buffer solution Back Catalog number: 18901165 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 16,37 € 13,53 € - + Recommended 18901160 DDO01-2M Polarographic type DO probe 119,00 € 18901166 Standard conductivity solution 19,90 € MA920B/1 Combined pH electrode MA920B/1 Price on request