What is a RI measurement?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
An RI measurement is the quantitative determination of a substance's refractive index value. This measurement is crucial in various fields including quality control (food, beverages, pharmaceuticals), gemology (identifying precious stones), material science, and clinical diagnostics (urine analysis, blood serum testing). The measurement typically provides a number like 1.333 for water or 1.52 for crown glass.
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