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Table 1 The comparison of thermal characteristics of initial chitosan, clinoptilolite, saponite, and synthesized composites of partially crosslinked chitosan and minerals

From: Natural Minerals Coated by Biopolymer Chitosan: Synthesis, Physicochemical, and Adsorption Properties

Material

T max, °C (DTG)

m, % (TG)

m total, % (TG)

T max, °C (DSC)

m/z (MS)

Chitosan

76

295

500

2.13

51.94

37.67

93

300

400

12

16

18

30

44

Partially crosslinked chitosan-clinoptilolite

123

280

500

5.45

6.53

4.47

16.5

320

515

850

12

16

18

44

Clinoptilolite

159

7.19

1.59

8.77

400

860

16

18

Partially crosslinked chitosan-saponite

108

277

344

443

515

824

4.70

7.04

3.27

5.19

20

350

450

510

860

12

16

18

22

30

41

44

Saponite

145

541

686

816

2.63

3.48

0.72

9.5

220

320

590

730

860

12

16

18

44

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