9 Questions
What instrument is used for the microscopy method to measure the projected diameter of particles?
Optical microscope
What is the size range for the sieving method using a mechanical shaker?
50 to 1500 micron
In the sedimentation method, what is measured using the Anderson Pipette?
Stoke diameter
What is the size range for the conductivity method using a Coulter-Current or Royco/HIAC instrument?
0.5 to 500 micron
Which method allows particle size analysis by transmission electron microscope in the range of 0.001–0.1 micron?
Microscopy
What advantage does the microscopy method have over the sieving method?
Easy and convenient
What disadvantage is associated with the microscopy method?
No estimation of particle depth (thickness)
What type of sieve analysis utilizes individual sieves rather than a complete nest of sieves?
"Air jet" sieve analysis
What does the air jet do in the air jet sieving method?
"Blows oversize particles away from the mesh"
Learn about different methods for particle size analysis, such as microscopy, sieving, sedimentation, and conductivity. Understand the size ranges each method can measure and the instruments used.
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