Table 1.
Mn2+ stability constants (K) with HCO3-/CO32- from the electrochemistry and EPR data at room temperature
Mn:HCO3- | Literature Data19,34 K (μ)* | This Work K (μ)* |
---|---|---|
1:1 | 63.1 M-1 (0) 18.6 M-1 (0.3) 2.82 M-1 (3) |
22 ± 5 M-1 (0.1) 18 ± 2 M-1 (0.3) |
1:2 | n.a | 550 ± 200 M-2 (0.1) 568 ± 50 M-2 (0.3) |
‘μ’: ionic strength of solution (in M).