Alginates | Band shift* (3763), см−1 | Decrease of energy of hydrogen ties*, kJ/mole | νas(COO−), cm−1 | νs(COO−), cm−1 | Δν(as-s COO−), cm−1 | ν(СО of pyranose cycle), cm−1 | Δν(СО of pyranose cycle)*, cm−1 |
Alginate Na+ |
|
| 1648 | 1453 | 195 | 949 |
|
Alginate Pb2+ | +1 | 0.02 | 1644 | 1458 | 186 | 974 | 25 |
Alginate Cu2+ | +12 | 0.34 | 1663 | 1444 | 219 | 960 | 11 |
Alginate Zn2+ | +15 | 0.43 | 1646 | 1454 | 192 | 972 | 23 |
Alginate Cr3+ | +5 | 0.14 | 1640 | 1450 | 190 | 955 | 6 |
Alginate Mn2+ | +12 | 0.34 | 1648 | 1468 | 180 | 955 | 6 |
Alginate Fe2+ | +9 | 0.25 | 1636 | 1466 | 170 | 977 | 28 |
Alginate Co2+ | +6 | 0.17 | 1645 | 1465 | 180 | 958 | 9 |
Alginate Ni2+ | +9 | 0.25 | 1648 | 1468 | 180 | 967 | 18 |