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Various Analytical Instruments: A Short Commentary

Abhishek Tripathi

Analytical Instrument work by different way such as production of signal of sample, absorption of radiation, emission of radiation, scattering of radiation, refraction of radiation etc. The resulting signal may be used directly or transformed to one of different nature. The correlation between blank reading/signal and sample signal can be understood only if the instruments are understood properly. For example in UV. Spectroscopy sample absorb the radiation of certain wavelengths. The degree of absorption is then correlated with the concentration of the particular ion which was in the solution (sample). This review try to focus on general introduction, principle, and instrumentation of various instruments like U.V, IR, N.M.R, Atomic Absorption Spectroscopy, Coulometry, Flame Photometer Raman Spectroscopy, High Performance Liquid Chromatography, Gas Chromatography.