Development of a Novel Solid-State Sensor Electrode Based on Titanium Thin Film as an Indicator Electrode in Potentiometric and Conductometric Acid-Base Titration in Aqueous Solution

Table 2

The molar amounts A of CH₃COOH acid and experimental pK_a for acid-base titrations using Ti/(SnO₂ + Sb₂O₃) indicator electrode.

A(M)	pKa
0.100	4.75
0.075	4.73
0.050	4.75
0.025	4.76