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The particle size of reduced iron powder was measured by microscope

Method for measuring particle size of powder by optical microscope


Since the optical microscope working with reflected light can only measure the particle size of particles greater than 5 microns, the microscope working with transmitted light is generally used for particle size analysis. In order to calculate the particle size, the microscope eyepiece is equipped with a micro scale. 

The scale should be calibrated in advance before use. 

(1) Straight line scale with reticle; 

(2) network microscale; 

(3) pattern microscopic scale

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