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A common technique of volumetric analysis in which a standard solution of one reagent is added little by little from a burette to a second reagent whose amount is to be determined. The end point, at which an exactly equivalent amount of reagent has been added, may be determined by using an indicator, or by measurements of color, resistance, current flow, or potential, whose variation with added reagent changes abruptly when the end point is reached.


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   • ANALYTICAL CHEMISTRY