The structure of contemporaneous analytical chemistry. Principles of analytical metrology. Analytical aspects of chemical equilibrium (thermodynamics and kinetics). Explanation of protolytic, complexation, redox, catalytic and inductive reactions. Principles of inorganic qualitative analysis, analytical selectivity and limits. Analytical signal and its qualitative and quantitative evaluation. Problems of sampling. Chemical and physical analytical methods. Gravimetric analysis and its present significance. Principles of solution volumetry. Theory of titration curves and titration characteristics and titration errors. Estimation and evaluation of titration equivalent points. The principles of buffering- acidobasic, redox, ligand and cation buffers. Examples of acidobasic, redox, precipitation and complexometric titrations.Lliquid-liquid extraction, analytical use of ion exchangers.