There are two kinds of dispersion methods available for particle characterization using laser diffraction – wet dispersion and dry dispersion. Choosing the most appropriate method depends on the natural state of the sample, ease of dispersion, and sample volume. Both methods have their own strengths and should be applied with care and consideration to ensure valid results.

Dry dispersion may be easy to apply as sample feed and applied dispersion energy are the only measurement variables that need careful attention. However, care must be taken to balance the requirements for dispersion against the risk of particle break-up. For this reason, many materials are unable to be characterized in the dry state and wet dispersion is required to measure the performance and stability of samples.

In this session, we will focus on method development for measurements in wet dispersion. This will cover the dispersion process, sampling, and setting appropriate measurement conditions. We will also discuss how important each of these factors are for materials with different particle sizes. This will be very useful for various industries such as cement, paints, inks, cosmetics, pharmaceuticals, food, etc. This will be a good chance for your companies to expand your application and compare the performance and stability of products using different dispersion methods.

This session is led by Dr. Chanwook Park, Malvern Panalytical's Applications Manager who has a wealth of knowledge in particle size, shape analysis.

Interested to improve your R&D / manufacturing process and gain more knowledge about the applications of particle size distribution using laser diffraction? Scroll down to register your interest for our series of webinars.


Measurement type:
Particle size
Particle shape
November 11 2020 - November 11 2020
14:00 - 15:00
Western Australia Time [Australia]
Event type:
Webinar - Live
Mastersizer 3000
Laser Diffraction
Food and Beverages
Cosmetics, toiletries and personal care
Personal Care Products
Oils, Fuels and Chemicals


What will I learn?

1. Applications for wet dispersion measurement
2. Sampling, appropriate measurement conditions
3. Different accessories that can accompany your Mastersizer 3000 instrument for wet dispersion analysis
4. Results analysis, interpretation, and understanding its implications


Dr Chanwook Park , Applications and Product Manager at Malvern Panalytical, based in South Korea

Dr Park joined Malvern Panalytical in 2007 as an Application Specialist. At present, he is the Application and Product Manager in Korea. Dr. Park completed his PhD in Polymer Engineering at Dankook University in Yongin, South Korea. He specializes in particle size (laser diffraction, DLS), particle shape, and concentration analysis. In his work, he actively supports various industries from pharmaceuticals, cement, steel, academia, and more. He is instrumental in helping customers to choose the relevant instrumentation for their R and D as well as the QC process, training them on how to optimize their solutions through expanding their applications.


Who should attend ?

  • Anyone interested in learning about particle size distribution analysis
  • Anyone interested in learning about the laser diffraction technique
  • QC and R+D personnel across industries including cement, food, chemicals, cosmetics, inks and more
  • Anyone interested in understanding the applications and implications of particle size distribution analysis for their academic research as well as process manufacturing

How long is this webinar?

60 minutes is the intended speaker time with additional time for addressing queries.

More information

Join our free MasterClass series:
- MasterClass 1: Introduction to particle size using laser diffraction.  More info
- MasterClass 2: Expanding your applications with wet dispersion analysis.  More info
- MasterClass 3: Method development and practical tips on sampling and maintenance for best quality results.  More info
- MasterClass 4: Particle size applications and other particle analysis related measurements like particle shape.  More info