Which of the following analytical technique is based on the refraction of radiation?
Correct answer: B. Refractometry
- A. Conductometry
- B. Refractometry
- C. Coulometry
- D. Polarography
Explanation
Refractometry measures the extent to which light is bent, or refracted, when it passes from one medium to another. The refractive index is a characteristic property of a substance that can be used for identification and concentration measurement.
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About Analytical Chemistry
Analytical chemistry identifies and measures substances using separation and instrumental methods. Chromatography is studied through stationary and mobile phases, retention and Rf values, while spectroscopy connects absorption of electromagnetic radiation with molecular structure and supports qualitative and quantitative analysis through techniques such as UV-visible and infrared spectroscopy.
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