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Introduction to Analytical Chemistry

Introduction to Analytical Chemistry. Dr Carl Hall X1/12 [email protected]. SFC1004 Analytical Science 1. What is Analytical Chemistry?.

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Introduction to Analytical Chemistry

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  1. Introduction to Analytical Chemistry Dr Carl Hall X1/12 [email protected] SFC1004 Analytical Science 1

  2. What is Analytical Chemistry? • The resolution of a chemical compound into its proximate or ultimate parts; the determination of its elements or of the foreign substances it may contain.

  3. What is Analytical Chemistry? • Qualitative Analysis • Quantitative Analysis

  4. What is Analytical Chemistry? • Qualitative analysis • The determination of the components of an unknown sample. • Organic spectroscopy

  5. What is Analytical Chemistry? • Quantitative analysis • The determination of the quantity of the components in a sample. • Classical methods

  6. Forensic Science Medicine Physics Analytical Science Biochemistry Materials Science Physical Chemistry Organic Chemistry What is Analytical Chemistry?

  7. Applications • Fundamental Research • The formulation of new drugs and the examination of meteorites. • Product Development • Development of alloys and polymer composites. • Product Quality Control • Analysis of raw materials and finished products.

  8. Applications • Monitoring and Control of Pollutants • Heavy metals and pesticides. • Assay • The metal content of ores. • Medical and Clinical Studies • Indicators of physiological disorders. • Food Analysis • Labelling and provenance

  9. Accuracy Analyte Assay Background Blank Calibration Concentration Constituent Detection Limit Determination Equivalent Estimation Interference Internal Standard Masking Matrix Glossary of Terms

  10. Method Precision Primary Standard Procedure Reagent Sample Sensitivity Standard Standard Addition Standardisation Technique Validation Glossary of Terms

  11. Analytical Techniques • Chemical analysis is an indispensable servant of modern technology whilst it partly depends on that modern technology for its operation. • The two have developed hand in hand.

  12. Analytical Techniques • Classical Techniques • Instrumental Techniques • Historically derived and artificial

  13. Analytical Techniques

  14. Analytical Problems and their Solution • The solutions of all analytical problems, both qualitative and quantitative follow the same basic pattern which can be described under seven general headings.

  15. Analytical Problems and their Solution • Choice of method • Sampling • Preliminary sample treatment • Separations • Final measurement • Method validation • Assessment of the results

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