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pH buffer solutions

Koda: 4679286*LLG
pH buffer solutions
Technical, NIST/DIN and certified buffer solutions for calibrating pH electrodes.
Tolerance: ± 0.02 pH
Manufacturer:Mettler-Toledo Online GmbH
Article description 1:pH buffer solutions,NIST/DIN,
Article description 2:pH 12.454, 250 ml