Alginate Na+ | Alginate Cu2+ | Alginate Ni2+ | Alginate Co2+ | Alginate Zn2+ | Alginate Mn2+ | Alginate Pb2+ | Alginate Fe2+ | Alginate Cr3+ | Possible attribution of bands [8] [9] [11] [12] [13] |
3883 |
|
| 3895 | 3928 |
| 3924 |
|
| ν(ОН, associated by hydrogen bonds) |
3763 | 3775 | 3772 | 3769 | 3778 | 3775 | 3764 | 3772 | 3768 | |
3646 |
|
|
|
|
| 3652 |
|
| |
|
| 2950 | 2896 |
|
| 2994 | 2986 | 2896 | ν(СН) |
2899 | 2872 | 2848 | 2845 | 2845 | 2845 | 2840 | 2850 | 2845 | |
2797 | 2736 | 2737 | 2738 | 2738 | 2738 | 2738 | 2738 | 2736 | ν(О6Н) |
2365 | 2356 | 2365 | 2359 | 2368 | 2365 | 2356 | 2366 | 2356 | |
1648 | 1663; 1603 | 1648 | 1645 | 1646 | 1648 | 1644 | 1636; 1608 | 1640 | νas(СОО−)+ δ (Н2О) |
1453 | 1444 | 1468 | 1465 | 1454 | 1468 | 1458 | 1466 | 1450 | νs(СОО−) |
1360 | 1378 | 1372 | 1372 | 1382 | 1381 | 1382 | 1378 | 1378 | δ(ССН) + δ (СОН); ν(СОО−) of ММ block |
1306 | 1307 | 1306 | 1307 | 1307 | 1306 | 1306 | 1306 | 1306 | ν(СОО−) of GG block |
1198 | 1120 | 1195 | 1195 | 1156 | 1198 | 1158 | 1198 | 1195 | ν(СС of pyranose cycle) |
1084 | 1081 | 1081 | 1081 | 1081 | 1081 | 1084 | 1084 | 1081 | ν(СО of pyranose cycle) |
1054 | 1054 | 1050 | 1050 | 1038 | 1054 | 1051 | 1054 | 1054 | |
949 | 960 | 967 | 958 | 972 | 955 | 974 | 977 | 955 | |
721 | 724 | 721 | 721 | 722 | 721 | 722 | 722 | 721 | δ(СН) |
628 | 619 | 628 | 631 | 620 | 629 | 632 | 628 | 629 | |
526 | 511 | 526 | 517 | 517 | 529 | 558 | 530 | 520 | χ(СО) |