記録された日時: November 10 2011

Duration: 36 minutes 45 seconds

The Viscotek size exclusion chromatographysystems with triple detection including low angle light scattering, viscosity and refractive index detectors meets the analytical challenge.of polysaccharides used as food ingredients
Table of contents
1. Polysaccharides used as food ingredients - Accurate characterization using SEC with advanced multi-detection
01:51
2. Polysaccharide food ingredients: Accurate Characterization using SEC/ GPC with advanced multi-detection
00:11
3. Use of polysaccharides in food
00:43
4. Challenges linked with polysaccharides
00:52
5. Shortcomings of conventional SEC systems
01:19
6. Importance of molecular structure
00:30
7. Gaining insight into molecular structure
01:12
8. Measuring molecular mass
01:21
9. Static light scattering facts
01:26
10. SEC-Low Angle Light Scattering (LALS)
01:14
11. Malvern Instruments’ Viscotek 7° + 90° light scattering assembly
01:41
12. Example showing the angular dependence
01:37
13. Accurate molecular mass measurements
00:48
14. Measuring Intrinsic Viscosity
01:08
15. 4- Capillary Differential Viscosity Detector
02:30
16. Further information derived from viscometer
00:55
17. Hydrodynamic Volume
00:42
18. Other ways to gain size information
01:24
19. Producing structure information
00:30
20. Mark-Houwink-Plot of Gum Arabic samples
00:36
21. Comparison of three Chitosan samples
00:29
22. Branching analysis: Dextran
02:06
23. Results: Branching analysis Dextran
01:37
24. Xanthan FIPA-gram
01:34
25. SEC system components
01:32
26. SEC Triple/Tetra Detection
01:26
27. Viscotek TDAmax SEC-System
00:54
28. Viscotek TDAmax SEC-System
00:15
29. Thank you for listening!
00:33
30. Contact Information
03:49