English
1,4-DIOXANE FOR ANALYSIS EMSURE 250 ML
Rp 1.347.000
Potassium dihydrogen phosphate/ di-sodium hydrogen phosphate [pH(S)=6.86₅ /pH(S)=7.41₃ (25 °C)] is a certified secondary standard buffer solution used as a calibration buffer standard for pH instruments or pH electrodes.
pH-value (25 °C): 6.861 - 6.867
