22IZS217 - Colloid chemistry
| Course specification | ||||
|---|---|---|---|---|
| Course title | Colloid chemistry | |||
| Acronym | 22IŽS217 | |||
| Study programme | Environmental Engineering | |||
| Module | ||||
| Lecturer (for classes) | ||||
| Lecturer/Associate (for practice) | ||||
| Lecturer/Associate (for OTC) | ||||
| ESPB | 4.0 | Status | ||
| Condition | none | Облик условљености | ||
| The goal | Students acquire basic theoretical knowledge on the colloid systems, the importance of particles of colloid size and on their properties. | |||
| The outcome | After the students fulfilled all the requirements and passed the exam, they are capable to understand the physico-chemical fundamental principles of colloidal behavior and to apply the acquired knowledge to practical problems in their future work. | |||
| Contents | ||||
| Contents of lectures | Basic definitions of colloid dispersions, true solutions of macromolecules and association colloids (micelles). Preparation and purification of colloidal systems. Determination of particles size and distribution of sizes of particles. Brownian motion, diffusion, sedimentation and osmotic pressure. Optical properties of colloidal systems. Light refraction, scattering and adsorption. Electrical properties of colloidal system. Electric double layer. Electrokinetic phenomena. Rheological properties of colloid dispersions and macromolecular solutions. Surface phenomena. Surface tension. Adsorption at the liquid-gas, solid-gas and solid-liquid interface. Wetting and spreading. Stability and coagulation of colloid dispersions, true solutions of macromolecules and association colloids. Specific colloid systems – emulsions, foams and gels. | |||
| Contents of exercises | Determination of molar mass of macromolecules by viscometry. Determination of number average molar mass of polymers by osmometry. Determination of tixotropy by rotational viscometry. Determination of surface tension. Determination of electrokinetic potential of colloid particles. Determination of particle size and particle size distribution of powders using Wiegner's sedimentation tube. Langmuir adsorption isotherm. | |||
| Literature | ||||
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| Number of hours per week during the semester/trimester/year | ||||
| Lectures | Exercises | OTC | Study and Research | Other classes |
| 2 | 1 | |||
| Methods of teaching | Lectures, practical lessons, discussions | |||
| Knowledge score (maximum points 100) | ||||
| Pre obligations | Points | Final exam | Points | |
| Activites during lectures | Test paper | 60 | ||
| Practical lessons | 10 | Oral examination | ||
| Projects | ||||
| Colloquia | 30 | |||
| Seminars | ||||