Alginates

Band shift* (3763), см1

Decrease of energy of hydrogen ties*, kJ/mole

νas(COO), cm1

νs(COO), cm1

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