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...Analytical technique an is a method that used to determine the identification or concentration of chemical substance there are wide variety techniques for analysis from simple weighing gravimetric titrations titrimetric very advanced using highly specialized instrumentation department pharmaceutical types following various which being in qualitative and quantitative drug substances products industry polarimetry refractometry chromatographic spectroscopic electrochemical hyphenated through amount analyte can be determined measurement mass analyses depend on comparing masses two compounds containing principle behind ion pure compound then find percent same known quantity impure examples residue ignition loss ash content titrimetry titration volume unknown solution with reagent titrant direct treatment soluble contained suitable vessel titrate appropriate standardized endpoint instrumentally visually aid indicator...