Back to Basics Everything You Need to Know About Particle Size Analysis

Analytical method validation guidelines

When it comes to particle size analysis, a lot of questions are typically raised. What is it? Who uses it? Is it actually an important process that affects me? While the answers to those questions may take some time to answer, there’s no harm in having a beginner’s knowledge. Here, we’ll talk a little bit more about exactly what this process is and why it’s a useful tool.
What is particle size analysis?
The particle size analysis principle operates based on the need to determine the size distribution of particles in any given sample. This process can be used for solids, suspensions, emulsions, and even for aerosol products. For example, a can of air freshener has likely gone through this process to determine how well the product is distributed through the air. However, one particle size determination method does not fit all. In fact, there are several ways to determine particle size distribution analysis. So the method used to test aerosols may not necessarily be the best particle size distribution testing method for emulsions.
Who uses this tool?
These tests are incredibly important in a number of industries, typically used to ensure quality control measures are accurate. In addition, any industry that makes use of milling or grinding is likely using these tests to evaluate their products. Some of the industries that use these tests most often include:

  • Building materials
  • Paints and coatings
  • Pharmaceuticals
  • Aerosol companies
  • Food and beverage facilities

What determines the type of testing done?
There are countless factors that go into particle distribution and its analysis, but as with any form of testing, there are certain limitations involved. For example, a sample that’s too big or too small may not offer the best or most accurate test results. Depending on the type of test performed, a company may run into a few challenges. In addition to sample size, the material, budget, desired information, and size range can contribute to the type of testing done.
This is by no means an expert guide, but this basic knowledge is everything you need to move forward with your particle analysis education.

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