記録された日時: March 04 2001

Duration: 39 minutes 55 seconds

This presentation explores particles and particle size, how particle sizing techniques deal with a particle, and how the measurement of particle size and particle size distributions can be achieved.
Table of contents
1. Introduction
00:36
2. 3 parts – this is Part 2
00:13
3. Part 2 - The basic techniques for PSA
00:26
4. Sieves/screening
00:15
5. Sieves
00:50
6. Grizzly Isle of Mull January 1999
00:42
7. Georgius Agricola (1530) De Re Metallica
00:36
8. Egyptians - Winnowing
00:35
9. Sieves
00:46
10. Sieves
00:47
11. Sieving - a common question
00:51
12. Sieving - a common question
01:34
13. This particle will also pass the screen
01:41
14. Maximum dimension of a unit cube
00:52
15. What will/may a square screen pass?
00:21
16. Sieving
00:38
17. Sieving
00:53
18. So where did that quote really originate? Heywood was right again!
00:39
19. AIME March 1907 No 14
00:47
20. Sieving - a common question
00:44
21. Sieves
00:19
22. Imaging/image analysis and microscopy
00:18
23. Microscopy and Image analysis “Seeing is believing” (?)
01:06
24. Image analysis
01:14
25. Image analysis - wealth of information
00:15
26. Image analysis - wealth of information Scattergram - relate two parameters
00:14
27. Shape descriptors
00:38
28. Number based distribution : monitoring fines in recycled abrasive material
00:33
29. Eric Pirard Private Communication (October 5th 2010)
00:22
30. Harold Heywood
00:25
31. Microscopy
01:09
32. Thus…
00:28
33. Heywood again – take care with the lower end
02:28
34. Remember barium titanate? The aggregation and form are important A “PSD” may be suspect on 1 image
00:20
35. Sedimentation
00:42
36. Sedimentation
00:39
37. Settling rate
00:26
38. Care!
00:39
39. (George Gabriel) Stokes’ Law
01:05
40. Comparing laser diffraction and sedimentation
00:40
41. Comparing laser diffraction and sedimentation for plate-like particles
00:21
42. Sedimentation
00:12
43. Sedimentation Precision
00:46
44. Sedimentation
00:23
45. ASTM E2490-09 Standard Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS)
00:27
46. Sedimentation
00:28
47. Electrical Sensing Zone
00:43
48. Before the Coulter Counter Blood cell counting
00:35
49. Electrical Sensing Zone - (Coulter Counter)
00:36
50. Electrical Sensing Zone - (Coulter Counter)
00:46
51. M D Graham “The Coulter Principle: Foundation of an Industry” Journal of the Association for Laboratory Automation Vol. 8, Issue 6 , pp 72-81, (2003)
00:13
52. Electrical Sensing Zone - (Coulter Counter)
00:29
53. Electrical Sensing Zone - (Coulter Counter)
00:13
54. It’s a gas (BET)
00:42
55. Gas adsorption techniques (BET)
01:25
56. Gas adsorption techniques (BET)
00:16
57. Gas adsorption techniques (BET)
00:21
58. Gas adsorption techniques (BET) From: A F Rawle “Micron sized nano-materials” Powder Technology Vol.174, Issues 1-2, 16 May 2007, Pages 6 - 9
00:26
59. Gas adsorption techniques (BET)
00:22
60. Gas adsorption techniques (BET)
00:24
61. Small-Angle X-Ray Scattering (SAXS)
00:35
62. So how can I select a technique?
00:11
63. Thank you for viewing and listening
00:15