Fecha registrada: December 11 2012

Duration: 01 hours 02 minutes 53 seconds

This presentation gives suggestions about ways to improve the results after making a measurement using the Zetasizer Nano, and the quality parameter and quality report gives a warning, indicating an issue with the measurement or the sample
Table of contents
1. From the application laboratory – What does the Zetasizer quality reports tell you about your sample?
01:20
2. Abstract
00:24
3. Outline
00:31
4. Dynamic light scattering
00:50
5. Dynamic light scattering range
01:06
6. Intensity Fluctuations
00:48
7. Intensity Fluctuations, Correlation and Size Distributions
00:44
8. Correlogram Interpretation
00:51
9. Typical Analysis Algorithms
01:09
10. Analysis Algorithms in size report
01:18
11. Size report quality parameter
01:09
12. Size quality report
01:10
13. Size quality report – technical note MRK693
01:48
14. Correlation intercept is out of range (>1 or <0.1)
02:29
15. Correlation intercept is out of range (>1 or <0.1)
02:40
16. Long tail of the correlogram
00:48
17. Polydisperse sample
01:18
18. Polydisperse sample
00:42
19. Result quality – more than one problem
02:01
20. Other considerations
05:05
21. Electrophoretic light scattering
01:34
22. What Is Zeta Potential?
00:56
23. Measurement modes
01:14
24. Main indicator of data quality – phase plot
02:14
25. Zeta potential report quality parameter
00:40
26. Zeta potential quality report – Good and Questionable quality data
00:59
27. Zeta potential quality report – technical note MRK751
00:47
28. Good and (extremely) bad phase plots
00:56
29. Phase data poor
02:40
30. Distribution data poor
01:21
31. No distribution but result quality good?....
00:50
32. Other considerations
02:37
33. Summary
01:23
34. Contact Information
05:15
35. Polydisperse sample
00:57
36. Contact Information
04:56
37. Zeta potential quality report – Good and Questionable quality data
00:09
38. Good and (extremely) bad phase plots
00:47
39. Contact Information
04:27