PHARM DDS: 1 particle size is determined by measuring terminal settling velocity of particle through a liquid medium in a gravitational or centrifugal environment ( indicate range )

2 reduction in light reaching the sensor as the particle dispersed in liquid or gas passing sensing zone (indicate range)

3 He-Ne laser, silicon photo diode detectors, ultrasonic probe (indicate range)

Question

1 particle size is determined by measuring terminal settling velocity of particle through a liquid medium in a gravitational or centrifugal environment ( indicate range )

2 reduction in light reaching the sensor as the particle dispersed in liquid or gas passing sensing zone (indicate range)

3 He-Ne laser, silicon photo diode detectors, ultrasonic probe (indicate range)

Dwight Obillos · Accepted Answer

1 Sedimentation rate (0.8-300 um)

2 Light energy diffraction or light scattering (0.2-500 um)

3 Laser scattering (0.02 to 2,000 um)

PHARM DDS

1 Sedimentation rate (0.8-300 um) 2 Light energy diffraction or light scattering (0.2-500 um) 3 Laser scattering (0.02 to 2,000 um)

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