Date recorded: September 06 2007

Duration: 01 hours 04 minutes 18 seconds

The Zetasizer Nano uses an optical technique call NIBS that enables the measurement of the size of concentrated samples, many not requiring dilution. However the analyst must be aware of the care required when interpreting the results
Table of contents
1. Measuring Nanoparticles in Concentrated Suspensions
01:54
2. Measuring Nanoparticles in Concentrated Suspensions
00:25
3. Contents
01:11
4. Dynamic Light Scattering
00:08
5. Components of a Malvern Dynamic Light Scattering Instrument
01:35
6. Dynamic Light Scattering and Brownian Motion
00:52
7. Dynamic Light Scattering
01:23
8. Measuring Nanoparticles in Concentrated Suspensions
00:07
9. Sample Concentration Overview
01:41
10. Lower Concentration Limit
02:01
11. Upper Concentration Limit: Multiple Scattering (1)
01:24
12. Upper Concentration Limit: Multiple Scattering (2)
00:35
13. Non Invasive Back Scatter: NIBS
02:24
14. Upper Concentration Limit: Multiple Scattering (3)
01:33
15. Upper Concentration Limit: Restricted Diffusion (1)
00:53
16. Upper Concentration Limit: Restricted Diffusion (2)
01:10
17. Upper Concentration Limit: Restricted Diffusion (3)
00:49
18. Upper Concentration Limit: Aggregation Effects (1)
00:27
19. Upper Concentration Limit: Aggregation Effects (2)
00:29
20. Upper Concentration Limit: Aggregation Effects (3)
01:09
21. Upper Concentration Limit: Electrostatic Interactions (1)
00:41
22. Upper Concentration Limit: Electrostatic Interactions (2)
01:01
23. Upper Concentration Limit: Electrostatic Interactions (3)
00:11
24. Recommended Sample Concentrations
03:58
25. Application Examples
00:08
26. Pigment Dispersions
01:08
27. Pigment Dispersions
02:09
28. Pigment Dispersions (measured at 1.5% w/v)
00:59
29. Pigment Dispersions (measured at 1.5% w/v)
00:14
30. Pigment Dispersions (measured at 1.5% w/v)
00:18
31. Effect of Calcium on Emulsion Stability:20% w/v Emulsion
01:26
32. Effect of Calcium on Emulsion Stability:20% w/v Emulsion
00:17
33. Effect of Calcium on Emulsion Stability:20% w/v Emulsion
00:22
34. Conclusions
01:22
35. Contact information
27:54