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ANALYTICAL CHEMISTRY CHEM201/212/213

ANALYTICAL CHEMISTRY CHEM201/212/213. ANALYTICAL CHEMISTRY (16 Lectures + 6 Tutorials).

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ANALYTICAL CHEMISTRY CHEM201/212/213

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  1. ANALYTICAL CHEMISTRY CHEM201/212/213

  2. ANALYTICAL CHEMISTRY(16 Lectures + 6 Tutorials) Statistical tests and error analysis: precision, accuracy, errors, absolute and relative measures, standard deviations(4.1), confidence limits (4.2), comparison of mean values (4.3), rejection of data (4.5), statistics of sampling (28.1) Calibration Methods: best straight line (5.1), calibration curves (5.2), standard addition (5.3), internal standard (5.4) Chemical equilibrium: equilibrium constants (6.1), equilibrium and thermodynamics (6.2), solubility products (6.3), common ion effect (6.4), pH (6.8), activity (8.1), activity coefficient (8.3), pH and activity (8.4), systematic treatment of equilibrium (9.1-9.3), dependence of solubility on pH (9.5) Introduction to volumetric analysis: titrations (7.1), calculations (7.2), end point detection (7.3) Acids and bases: protic acids and bases (6.7), strengths of acids and bases (6.9), monoprotic acid and base equilibria (10.1-10.4), buffers (10.5), polyprotic acids and bases (11.1), acid-base titrations (12.1-4), end point detection (12.5-12.6) Complexation reactions: complex formation (6.6), metal chelate complexes (13.1), EDTA (13.2), titration curves (13.3), auxiliary complexing agents (13.5), metal ion indicators (13.6), EDTA titration techniques (13.7) Redox reactions: basic concepts (14.1), electrochemical cells (14.2), standard potentials (14.3), Nernst equation (14.4, 14.5), redox titration curves (16.1), redox indicators (16.2), adjustment of oxidation states (16.3-16.7) Precipitation reactions and gravimetric analysis: precipitation titration (7.4), titration of mixtures (7.5), precipitation (6.5, 28.1-28.2), calculations for gravimetric analysis (28.3), combustion analysis (28.4) An indication is given in brackets of chapters that cover the work in the prescribed text book by D.C. Harris, Quantitative Chemical Analysis 5th Edition.

  3. DEFINITION OF PROBLEM ADEQUATE? No Information gathering ADEQUATE? No Select analytical technique or method ADEQUATE? No Implement analysis of known sample and unknowns ADEQUATE? No Reduce data, interpret and report results ADEQUATE? No SOLUTION TO PROBLEM

  4. ANALYTICAL CHEMISTS IN INDUSTRY - INTERFACES Other chemists Lawyers Colleges Universities Health & Safety Peers, Supervisors Production plants Technical reps In field Contract labs Life scientists Analytical chemist Management Sales & Marketing Professional organizations Suppliers Engineers Statisticians Government agencies

  5. REMINDER: SI units Prefix notation Concentration units Dilutions Logarithms Significant figures

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