Table 1 Cumulative stability constants log β mlh a of the VO(IV) - MCCh complexes
From: Coordinative interaction of microcrystalline chitosan with oxovanadium (IV) ions in aqueous solution
Value of DD | CL/CM | logβ11-1b | logβ11-1c | logβ12-2b | logβ12-2c | pH range |
|---|---|---|---|---|---|---|
79.8% | 2:1 | -0.39 (5) | -0.68 (2) | -4.48 (23) | -7.64 (6) | 2.53-7.34 |
-0.26 (5) | ||||||
-4.18 (24) | ||||||
5:1 | -0.82 (3) | -7.81 (16) | ||||
-0.80 (4) | ||||||
-7.59 (8) | ||||||
8:1 | -0.90 (5) | -8.11 (10) | ||||
-0.87 (4) | ||||||
-7.43 (10) | ||||||
10:1 | -0.99 (6) | -7.83 (26) | ||||
-0.98 (6) | ||||||
-8.06 (11) | ||||||
97.7% | 2:1 | -0.53 (4) | -0.68 (2) | -4.67 (21) | -5.38 (7) | 3.18-7.38 |
-5.72 (29) | ||||||
-0.56 (3) | ||||||
5:1 | -0.71 (4) | -4.41 (9) | ||||
-0.68 (4) | -4.45 (9) | |||||
8:1 | -0.68 (4) | -4.95 (10) | ||||
-4.45 (9) | ||||||
-0.88 (6) | ||||||
10:1 | -1.40 (3) | -6.76 (6) | ||||
-1.29 (8) | ||||||
-5.69 (14) |