Table 1.

The values of A‐, B‐, and D‐coefficient at 25 °C. A‐coefficient calculated with Equation (13).[ ²⁸ , ⁴⁴ ] B‐ and D‐ coefficient obtained by fitting the experimental data with Equation (12).

M	A [104 m−2 S−1 mol]	B [mol−1 kg]	D [mol−2 kg2]
Na	7.8	0.21	0.80
K	6.3	0.17	0.37
Cs	6.1	0.18	0.70