Table 6 Results of XPS analysis of the polysaccharides fraction in the snow algae from the Gulkana Glacier.

From: Morphological and physicochemical diversity of snow algae from Alaska

Name

Position

Raw area

% at conc.

Species

Phase

C 1s A

284.48

38,832

18.8

C=C

Aromatic carbon

C 1s B

285.01

50,705

24.5

C–H

Aliphatic carbon

C 1s D

285.58

52,504

25.4

C–C

Aliphatic carbon

C 1s E

286.42

26,535

12.8

C–OH

Hydroxyl groups

C 1s F

287.14

11,910

5.8

C–O–C

Ether groups

C 1s G

287.86

4831

2.3

C=O

Carbonyl groups

C 1s H

288.99

19,468

9.4

O=C–O–

Carboxyl groups

C 1s I

290.17

2109

1.0

CO3–2

Carbonates

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