Date recorded: March 08 2004

Duration: 01 hours 31 minutes 21 seconds

The Zetasizer Nano uses the ISO recommended Cumulants approach to measure the mean sample size and polydispersity index from dynamic light scattering measurements to ensure compliance with international standards
Table of contents
1. Dynamic Light Scattering (DLS)
01:33
2. Outline
00:35
3. Optics
00:48
4. Scattering Volume
00:21
5. Static Intensity
00:28
6. Dynamic Intensity
00:35
7. Non-Random Dynamic Intensity
00:33
8. Physical Constraints
01:14
9. Correlation Statistics
01:04
10. Correlation Curves
01:29
11. Hydrodynamic Size
01:45
12. Typical Analysis Algorithms
06:37
13. Ideal Samples
01:22
14. Typical Samples
02:16
15. So What’s The Best Answer?
01:08
16. Data Interpretation Tips - I
07:09
17. Data Interpretation Tips - II
03:00
18. Data Interpretation Tips - III
06:57
19. Data Interpretation Tips - IV
01:48
20. Working Examples
00:10
21. Number Fluctuations
04:20
22. Random Noise - Fast Delay Times
09:19
23. Run Time Effects
03:01
24. Random Baseline Noise
02:57
25. Determinant Noise
03:04
26. Random Noise - Fast Delay Times
01:03
27. Random Baseline Noise
00:14
28. Molecular Weight Effects
05:44
29. Cumulants vs. CONTIN
02:21
30. CONTIN vs. NNLS
07:29
31. Problems With Volume Distributions
03:35
32. Measurement Tips
02:36
33. Customer Training
02:20
34. Why Malvern Instruments?
01:19
35. Contact Information
01:07