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What are the classification methods of different particle size measurement benchmarks?

Mar. 15, 2023

Measured parameter

 

Analytical Method

Particle Size Rangeμm

Length

optical microscope

>0.5

0.001200

electron microscope

 

 

 

Cross-sectional area, surface area

 

optical microscope

>0.5

 

electron microscope

0.001200

imager

>0.5

 

sieving method

>3

Light obscuration

0.003100

Disk centrifugal sedimentation method

0.0230

light blockage method

1100

Electromigration classification

 

0.0051

 

 

 

volume ,mass

X-ray small Angle scattering method

 

0.0030.5

Laser particle size analyzer

0.058000

gravity settling method

1100

resistivity method

0.5100

Dynamic light scattering method

 

0.00310

Diffusion cell

 

0.0050.2

Ultrasonic spectrum

 

0.01100


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