FIFTH SEMESTER CHEMISTRY
Analytical Methods in Chemistry-1-6B
Unit-1
Quantitative analysis-1
1. A brief introduction to analytical methods in chemistry
2. Principles of volumetric analysis, concentration terms- Molarity, Molality, Normality, v/v, w/v, ppm and ppb, preparing solutions- Standard solution, primary standards and secondary standards.
3.Description and use of common laboratory apparatus- volumetric flask, burette, pipette, beakers, measuring cylinders.
Unit-2
Quantitative analysis-2
1. Principles of volumetric analysis: Theories of acid-base (including study of acid-base titration curves), redox, complex metric, iodometric and precipitation titrations-choice of indicators for the saturations.
2. Principles of gravimetric analysis: precipitation, coagulation, peptization, co precipitation, post precipitation, digestion, filtration, and washing of precipitate, drying and ignition.
Unit-3
Treatment of analytical data
1.Types of errors- Relative and absolute, significant figures and its importance, accuracy methods of expressing accuracy, errors- Determinate and indeterminate and minimization of errors, precision-methods of expressing precision, standard deviation and confidence interval.
Unit-4
separation techniques
1. Solvent Extraction: Introduction, principle, techniques, factors affecting solvent extraction, Batch extraction, continuous extraction and counter current extraction. Synergism. Application-Determination of Iron (III).
2. Ion Exchange method: Introduction, action of ion exchange resins, applications.
UNIT-5: Analysis of water
1.Determination of dissolved solids, total hardness of water, turbidity, alkalinity, Dissolved oxygen, COD, determination of chloride using Mohr’s method.