| 摘要 |
PROBLEM TO BE SOLVED: To obtain a dynamic light scattering particle diameter distribution measurement system for verifying, in real time, the aging (aging of particle diameter distribution) of the dispersion and condensation state of a sample before starting measurement and the aging of the concentration of the sample. SOLUTION: The system is provided with a dynamic light scattering particle diameter distribution measuring device 1 that applies a laser beam L to a sample with a particle 2b that is dispersed into a solvent 2a and performs the Braunian movement, converting interference light Li being generated by scattered light due to the particle 2b to an electrical detection signal D(t), and calculating the detection signal D(t) for measuring particle diameter distribution, and a control device 16 for controlling the dynamic light scattering type particle diameter distribution measuring device 1. Further, the control device 16 is provided with a screen 14 for verifying the preparation state of the sample before starting measurement.
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