The Masterclass 1: Laser Diffraction Explained

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00:00:00 Masterclass 1: Laser Diffraction Explained
00:01:15 Masterclass 1: Laser Diffraction Explained
00:01:54 Overview
00:02:54 Laser diffraction Masterclass
00:03:30 Laser diffraction Masterclass
00:04:58 Introduction to particle sizing
00:05:12 A very general definition of a “particle”…
00:06:02 General images of particles
00:06:42 Equivalent spherical diameters
00:08:01 Choosing a particle sizing technique
00:09:35 The basics of laser diffraction
00:09:52 The diffraction pattern
00:10:57 Dependence of diffraction pattern on particle size
00:12:20 How does the instrument work?
00:13:47 How does the instrument work?
00:15:15 The measured scattering data
00:16:12 How do we get the size distribution?
00:18:07 Reporting and interpreting the results
00:19:54 Laser diffraction measurement demo
00:20:01 Laser diffraction measurement process
00:20:53 Wet measurement demo
00:21:00 Wet measurement demo
00:23:34 Dry measurement demo
00:23:53 dry demo
00:25:21 Wet measurement demo
00:26:03 Comparing results from different techniques
00:26:27 Comparing laser diffraction and sedimentation
00:27:15 Comparing laser diffraction and sedimentation
00:28:41 Comparing laser diffraction and sedimentation
00:29:19 Comparing laser diffraction and sieving
00:29:39 Comparing laser diffraction and sieving
00:30:26 Comparing laser diffraction and sieving
00:30:58 Additional information from automated imaging
00:32:11 Laser diffraction applications
00:32:24 The effect of particle size on flavour
00:33:23 The effect of particle size on texture
00:34:20 The effect of particle size on appearance
00:35:13 Summary
00:53:04 Contact Information
In this webinar we introduce the basic principles of how a laser diffraction measurement is carried out, how particle size distributions are calculated, some of the differences which exist between laser diffraction and other particle sizing methods.