Date recorded: March 13 2006

Duration: 53 minutes 09 seconds

The Zetasizer Nano software includes a quality report to help interpretation of the size data obtained from a dynamic light scattering measurement. This presentation discusses the tests used and gives examples to demonstrate warning messages
Table of contents
1. Untitled
01:18
2. Size Quality Report for the Zetasizer Nano
00:23
3. Contents
00:16
4. Dynamic Light Scattering
00:05
5. Data Interpretation
01:08
6. Data Interpretation
03:15
7. Data Interpretation: Correlograms
01:20
8. Cumulants/Distribution Fit Reports
01:55
9. Size Quality Report
01:07
10. Test 1: Is the z-average diameter < lower analysis limit?
01:10
11. Test 2: Is the z-average diameter > upper analysis limit?
00:12
12. Test 3: Is the z-average diameter < lower display limit?
00:34
13. Test 3: Is the z-average diameter < lower display limit?
00:20
14. Test 3: Is the z-average diameter < lower display limit?
00:32
15. Test 3: Is the z-average diameter < lower display limit?
00:39
16. Test 4: Is the z-average diameter > upper display limit?
00:14
17. Test 4: Is the z-average diameter > upper display limit?
00:41
18. Test 5: Is the polydispersity index value > 1?
00:52
19. Test 5: Is the polydispersity index value > 1?
00:35
20. Test 5: Is the polydispersity index value > 1?
02:04
21. Test 5: Is the polydispersity index value > 1?
00:52
22. Test 5: Is the polydispersity index value > 1?
01:09
23. Test 6: Is the correlation function intercept <0.1 or >1.0?
01:31
24. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:16
25. Test 6: Is the correlation function intercept <0.1 or >1.0?
01:18
26. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:51
27. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:54
28. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:51
29. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:15
30. Test 6: Is the correlation function intercept <0.1 or >1.0?
00:23
31. Test 6: Is the correlation function intercept <0.1 or >1.0?
01:08
32. Test 7: Is the first correlation point > 3 and the z-average diameter <5nm?
00:51
33. Test 8: Is the in range value less than 90%?
00:42
34. Test 8: Is the in range value less than 90%?
00:10
35. Test 8: Is the in range value less than 90%?
00:19
36. Test 8: Is the in range value less than 90%?
00:17
37. Test 8: Is the in range value less than 90%?
00:12
38. Test 8: Is the in range value less than 90%?
00:25
39. Test 9a: Is the mean count rate <20kcps?
01:57
40. Test 9a: Is the mean count rate <20kcps?
00:30
41. Test 9a: Is the mean count rate <20kcps?
00:37
42. Test 9a: Is the mean count rate <20kcps?
00:47
43. Test 9a: Is the mean count rate <20kcps?
00:08
44. Test 9a: Is the mean count rate <20kcps?
00:42
45. Test 9b: Is the mean count rate >1000kcps?
00:50
46. Test 9b: Is the mean count rate >1000kcps?
00:13
47. Test 9b: Is the mean count rate >1000kcps?
00:20
48. Test 9b: Is the mean count rate >1000kcps?
00:49
49. Test 10: Is the total number of photons collected <10000kcps?
00:30
50. Test 10: Is the total number of photons collected <10000kcps?
00:16
51. Test 10: Is the total number of photons collected <10000kcps?
00:13
52. Test 10: Is the total number of photons collected <10000kcps?
01:15
53. Test 11: Is the cumulants fit error >0.005?
01:07
54. Test 11: Is the cumulants fit error >0.005?
00:07
55. Test 11: Is the cumulants fit error >0.005?
00:37
56. Test 11: Is the cumulants fit error >0.005?
00:12
57. Test 11: Is the cumulants fit error >0.005?
00:38
58. Test 11: Is the cumulants fit error >0.005?
00:28
59. Test 11: Is the cumulants fit error >0.005?
00:24
60. Test 12: Is the distribution fit error >0.005?
00:30
61. Test 12: Is the distribution fit error >0.005?
00:10
62. Test 12: Is the distribution fit error >0.005?
00:13
63. Conclusions
00:51
64. More information
00:48
65. Contact details
06:53