Metrohm ISE Handbuch Seite 41

Measuring ISA/TISAB
ion
2-
S c(NaOH) = 2 mol/L
SCN - c(KNO
3
or
Acetate buffer pH = 6, c(CH
= 1 mol/L
Ion-selective electrodes, Manual
) = 1 mol/L
Abbreviations:
AB: Metrohm Application Bulletin
Na + (G): Glass membrane electrode
Na + (P): Polymer membrane electrode
For 100 mL so-
lution
7.999 g
10.110 g
COO - )
3 tot
2 Measurements
Remarks
pH ≥ 13
37