Transcription of Classification of Analytical Techniques
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Classification of Analytical Techniques
Introduction to Instrumental AnalysisClassification of Analytical TechniquesIntroductionIn quantitative chemical analysis, a sample is prepared and then analyzed to determine theconcentration of one (or more) of its components. The following figure gives a general overviewof this or instrumentalsingle- or multi -channelrelative or absoluteFigure 1: Schematic showing measurement steps involved in quantitative chemical analysis of asample. There are three ways of classifying the process, based on the technique (classical vsinstrumental), the measurement data (single-channel vs multi -channel), or on whether additionaldata is needed to estimate the analyte concentration (relative vs absolute).
multi-channel data described above (multicomponent analysis and detection/correction of interferences) will be lost. As a general guideline, it is always a good idea to collect the multi-channel response of at least one of the calibration standards to see what the analyte
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