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Introduction of Hand held refractometer

- Nov 22, 2018 -

Hand held refractometer


Introduction


The refractive index of a substance is the physical constant of a substance, and the refractive index is usually determined experimentally. For solid media, the minimum deflection angle method or self-collimation method is commonly used; the liquid medium is usually used for critical angle method (Abbe refractometer); for the gas medium, the higher precision interference method (Rayleigh interferometer) is used.


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