COURSE OBJECTIVE: Collection, determination and interpretation of sample information. Introduction to classical qualitative and quantitative methods of chemical analysis.
COURSE IMPLEMENTATION PROGRAM:
Week 1:
Introduction to analytical chemistry. Basics. Sample-analyte-matrix-signal-information. Analytical work planning.
Week 2:
Qualitative analysis. Dissolution of the solid sample. Chemical equilibrium and its role in controlling the conditions of an analytical system. Basic principles of systematic analysis of cations and anions.
Week 3:
Systematic analysis of cations: I. and II. analytical group.
Week 4:
Systematic analysis of cations: from III. to VI. analytical group.
Week 5:
Systematic analysis of anions.
Week 6:
Precipitation. Types and properties of precipitate. Precipitate solubility. Precipitant's contaminants, prevention of their occurrence and their removal. Drying and annealing of precipitant.
Week 7:
Quantitative analysis. Gravimetry. Types of gravimetric methods. Sample weighing. Computational examples.
Week 8:
Titrimetric methods. Indicators. Titration curve. Titration end point. Equivalence point. Direct titration and retitration. Primary and secondary standards, characteristics. Standardization.
Week 9:
Introduction to acid-base titrations. Dissociation of acids and bases. Salt hydrolysis. Ampholites. Determination of pH value of solutions. Computational examples.
Week 10:
Nature and applicability of acid / base indicators. Standards. Titration of strong and weak acids and bases. Computational examples.
Week 11:
Influence of pH on the composition of solutions of polyprotic acids and polyfunctional bases. Titration of polyprotic acids and polyfunctional bases. Computational examples. Acid-base titrations in a non-aqueous solvent. Solvent and indicator selection.
Week 12:
Equilibrium of the complex. EDTA complexes. Complexometric titrations. Computational examples. Redox titrations. Electrode potential. Nernst's expression. Equilibrium constant.
Week 13:
Redox titrations of mixtures. Electrode potential adjustment. Indicators in redox titrations. Oxidometric titrations. Reductometric titrations. Computational examples.
Week 14:
Precipitation titrations. Determinations by Mohr, Volhard, and Fajans. Computational examples.
Week 15:
Gravimetric titrimetry. Coulometric titrimetry.
LABORATORY EXERCISES:
1. Qualitative analysis of water-soluble salts.
2. Gravimetric determination of sulfate
3. HCl standardization
4. Determination of Zn
5. Determination of Cu
6. Determination of chloride by Mohr
7. Thin layer chromatography
DEVELOPMENT OF GENERAL AND SPECIFIC COMPETENCIES OF STUDENTS:
The student acquires basic knowledge of analytical chemistry, as a prerequisite for independent solving of analytical problems.
STUDENTS 'TEACHING OBLIGATIONS AND THEIR PERFORMANCE:
Regular attendance at classes, exercises.
CONDITIONS FOR OBTAINING A SIGNATURE:
Successfully completed exercises. Attendance at lectures.
TEACHING METHODS:
Lectures. Laboratory exercises.
METHOD OF EXAMINATION OF KNOWLEDGE AND EXAMINATION:
Written and oral.
METHOD OF MONITORING THE QUALITY AND PERFORMANCE OF COURSES:
Student survey
METHODOLOGICAL PREREQUISITES:
Attended lectures and completed exercises from the course General and Inorganic Chemistry.
COURSE LEARNING OUTCOMES:
1. To define analytical system with respect to the technological process
2. To connect the principles of chemical equilibrium with the methodology of analysis in the technological process
3. To apply methods of selective separation of inorganic anions and cations in chemical engineering
4. To apply methods of gravimetric analysis in chemical engineering
5. To apply methods of volumetric analysis in chemical engineering
LEARNING OUTCOMES AT PROGRAM LEVEL:
1. Ability to apply basic knowledge of the natural sciences in identifying and describing simple engineering problems.
2. Ability to plan simple experiments using available laboratory devices and devices.
3. Ability to analyze the technological process
TEACHING UNITS WITH ASSOCIATED LEARNING OUTCOMES AND EVALUATION CRITERIA:
Teaching unit
1. Analytical system in chemical engineering
Learning outcomes
- To define the analysis system with regard to the technological process
Evaluation criteria
- to be able to define an analytical method
- to be able to determine the analytical signal and get an analytical result
- to be able to determine significant digits
- to distinguish accuracy and precision
Teaching unit
2. Qualitative chemical analysis of technological processes
Learning outcomes
- To connect the principles of chemical equilibrium with the methodology of technological process analysis
- To apply methods of selective separation of inorganic anions and cations in chemical engineering
Evaluation criteria
- to calculate the pH of the solution
- to calculate the conditions of deposition of inorganic salts
- to calculate the conditions of complex formation
- to calculate redox potential
- to plan systematic analysis of cations and anions
- to calculate the possibility of conducting the planned systematic analysis
- to be able to apply the principles of dissolving inorganic salts
Teaching unit
3. Quantitative chemical analysis of technological processes
Learning outcomes
- To connect the principles of chemical equilibrium with the methodology of technological process analysis
- To apply methods of gravimetric analysis in chemical engineering
- To apply volumetric analysis methods in chemical engineering
Evaluation criteria
- to plan the steps of gravimetric analysis
- to know the types of precipitant's contaminations and treatment procedures with the aim of prevention of contamination or subsequent treatment of the precipitant
- to distinguish the properties of the precipitate resulting from the particle size
- to calculate the result of gravimetric analysis
- to plan the steps of volumetric analysis
- to distinguish the titration end-point and the point of the equivalence
- to be able to select the indicator and the method of detecting the titration end-point
- to calculate the result of volumetric analysis
- to construct the titration curve
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