Czech

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Students will get basic knowledge of commonly used laboratory techniques and basic laboratory equipment. Students will have practical knowledge of basic operations that are used in the chemical laboratory.

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The course uses teaching methods in form of exercise - 1 teaching hour per week, in form of Laboratory exercise - 2 teaching hours per week.
The e-learning system (LMS Moodle) is available to teachers and students.

Laboratory reports, tests, style of the work, the final test. At least 50 % in the written examination is required to achieve.
Classification is made using ECTS scale.

Introduction, credit conditions classified.
The theoretical part of the training:
Laboratory safety, first aid and disposal of chemical wastes. Globally Harmonized System (GHS). Color marking of gas cylinders. Basic laboratory equipment (lab equipment, glass, porcelain).
Working with glass. Working with scales. Volume measuring of liquids and gases. Approximate measuring volumes of liquids. Working with dispenser and automatic pipette. Principles of work with a standard glass (graduated cylinders, volumetric flasks, pipettes, burettes). Working with automatic burette. Heating and cooling. Direct heating, gas and alcohol burners. Electric heat source. Indirect heating (liquid, steam, air and other bath). Annealing. Cooling (coolant, cooling media).
Separation of components of heterogeneous mixtures (decantation, filtration).The methods of filtration. Separation of the components of homogenous mixtures (crystallization, distillation). Types of crystallization. Distillation (simple distillation, fractional distillation, rectification, steam distillation, distillation under reduced pressure). Further separation and purification techniques (drying, extraction, sublimation and recrystallization). Measurement of physical quantities (melting point, refractive index, density, pH).
The practical part of the training:
Laboratory notes. Laboratory equipment. Working with glass. Measuring volumes of liquids. Filtration - gravity filtration. Weighing. Temperature measurement. Heating. Cooling. Filtration - vacuum filtration. Saturated solution, solubility curve. Evaporation, crystallization - types. Drying.
Filtration (Büchner funnel), decanting, dehydrating. Determination of melting point. Annealing.
Sublimation. Extraction. Determination of index of refraction. Determination of density. Preparation of solutions with accurate concentrations. Titration - byrettes, pH measuring. Distillation (simple distillation).
The final test.
Detailed Synopsis on the e-learning.

Not applicable.

Theoretically and practically students are familiar with the basic laboratory equipment and basic laboratory techniques.

It is necessary to complete all the exercises. Due to illness is a possible replacement in the other study group.

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B. Kábelová a kol.: Laboratorní technika II, VUTIUM, Brno 1999, ISBN 80-214-1450-2 (CS)

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