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	ν(СН)
2797	2736	2737	2738	2738	2738	2738	2738	2736	ν(О₆Н)
2365	2356	2365	2359	2368	2365	2356	2366	2356	ν(О₆Н)
1648	1663; 1603	1648	1645	1646	1648	1644	1636; 1608	1640	ν_as(СОО⁻)+ δ (Н₂О)
1453	1444	1468	1465	1454	1468	1458	1466	1450	ν_s(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	δ(СН)
526	511	526	517	517	529	558	530	520	χ(СО)