Summary 1 l The Analytical Problem l Data Handling.

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Presentation transcript:

Summary 1 l The Analytical Problem l Data Handling

Summary 1 l Qualitative Analysis l Quantitative Analysis

Summary 1 l Choice of method l Sampling l Preliminary sample treatment l Separations l Final measurement l Method validation l Assessment of the results

Summary 1 l Accuracy l Analyte l Assay l Background l Blank l Calibration l Concentration l Constituent l Detection Limit l Determination l Equivalent l Estimation l Interference l Internal Standard l Masking l Matrix l Method l Precision l Primary Standard l Procedure l Reagent l Sample l Sensitivity l Standard l Standard Addition l Standardisation l Technique l Validation Do you understand them?

Summary 1 l Units of Concentration v Molarity (mol dm -3 ) v g dm -3 v ppm

Summary 1 l Accuracy and Precision v Definitions v Dartboards v Statistical Measures Can you use your calculator?

Data Handling l Statistics v Mean v Standard Deviation v Variance v Relative Standard Deviation v Coefficient of Variation You are not expected to know the equations!

Summary 1 l Errors v Classification and examples v Methods of minimising errors v Calculating errors

Summary 1 l Calibration Curves v Correlation coefficient v Line of best fit v How to use the graph Can you use Excel? l Significant Figures