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Course info
KCH / CHLM
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Course description
Department/Unit / Abbreviation
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KCH
/
CHLM
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Academic Year
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2023/2024
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Academic Year
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2023/2024
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Title
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Chemical Laboratory Methods
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Form of course completion
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Pre-Exam Credit
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Form of course completion
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Pre-Exam Credit
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Accredited / Credits
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Yes,
3
Cred.
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Type of completion
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-
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Type of completion
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-
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Time requirements
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Tutorial
3
[Hours/Week]
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Course credit prior to examination
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No
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Course credit prior to examination
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No
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Included in study average
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NO
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Language of instruction
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Czech
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Occ/max
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Summer semester
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26 / -
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0 / -
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0 / -
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Included in study average
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NO
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Winter semester
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0 / -
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0 / -
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0 / -
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Repeated registration
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NO
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Repeated registration
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NO
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Timetable
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Yes
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Semester taught
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Summer semester
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Semester taught
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Summer semester
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Minimum (B + C) students
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10
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Optional course |
Yes
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Optional course
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Yes
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Language of instruction
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Czech
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Internship duration
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0
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No. of hours of on-premise lessons |
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Evaluation scale |
S|N |
Periodicity |
každý rok
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Periodicita upřesnění |
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Fundamental theoretical course |
No
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Fundamental course |
No
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Fundamental theoretical course |
No
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Evaluation scale |
S|N |
Substituted course
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None
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Preclusive courses
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N/A
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Prerequisite courses
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N/A
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Informally recommended courses
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N/A
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Courses depending on this Course
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N/A
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Histogram of students' grades over the years:
Graphic PNG
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XLS
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Course objectives:
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The aim of this course is to acquire basic skills in laboratory technique and familiarize with basic methods and work procedures in the chemical laboratory.
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Requirements on student
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Students are expected to pass scheduled assignments and elaborate lab protocols.
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Content
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1st Exercise
Principles of safe work in chemical laboratory.
Facilities and equipment of chemical laboratory.
Types of (lab) chemical vessels and tools.
Working with glass, cork and rubber.
Cutting and bending glass tubes.
Making capillaries, pipettes, balloons.
Build a simple apparatus.
2nd Exercise
Scales and weighing.
Measuring of physical properties of substances.
Weighing on technical and analytical balance.
Determination of the weight of the object, the portion of the solids.
Determination of the density of the liquid by pycnometer and hydrometers.
Determination of the melting point of solids.
3rd Exercise
Solutions.
Preparation of solutions with desired composition.
Determination of solubility of an unknown sample at various temperatures and construction of the solubility curve of the sample.
4th Exercise
Basic procedures for purification and isolation of substances in chemical laboratory.
Crystallization - free and disturbed.
Distillation - fractional distillation and destillation by (vapour) steam.
Sublimation.
Drying.
5th Exercises
Basic operations of volumetric analysis.
Determination of composition of solution by titration.
6th Exercises
Preparation, drying and storage of gases.
Handling with pressure-bottles.
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Activities
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Fields of study
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Všechny důležité informace a materiály k předmětu jsou studentům k dispozici v Coursewaru.
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Guarantors and lecturers
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Literature
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Basic:
Eysseltová, Jitka; Lukeš, Ivan; Mička, Zdeněk. Základy laboratorní techniky. 2. vyd. Praha : Karolinum, 2004. ISBN 80-246-0783-2.
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Recommended:
Drátovský, Milan. Laboratorní technika : Návody ke cvičení. Praha : Univerzita Karlova, 1982.
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Recommended:
Lukeš, I; a kol. Laboratorní technika : Návody ke cvičení pro posluchače učitelského studia chemie. Praha: SPN, 1988.
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Recommended:
Bartovský, T., Bartovská, L. Laboratorní technika I. SNTL Praha, 1986.
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Recommended:
Bartovský, T.; Bartovská, L. Laboratorní technika II. Praha: SNTL, 1988.
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On-line library catalogues
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Time requirements
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All forms of study
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Activities
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Time requirements for activity [h]
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Practical training (number of hours)
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39
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Preparation for formative assessments (2-20)
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10
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Preparation for laboratory testing; outcome analysis (1-8)
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8
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Contact hours
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39
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Total
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96
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
to define selected physicochemical quantities (cloth quantity, weight, volume, pressure, temperature, density, molar mass, pH) |
define variables expressing system composition |
explain the terms solubility of substances, crystallization, distillation |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
use quantities and units (weight, volume, cloth quantity, concentration, density) |
to distinguish basic procedures for cleaning and insulating substances in the laboratory |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
formulate principles of safe work in a chemical laboratory |
to name the basic types of laboratory utensils and aids used in the laboratory |
to describe the basic methods of work and procedures in the chemical laboratory |
Skills - skills resulting from the course: |
to apply theoretical knowledge to model situations when working in a laboratory |
to perform basic cleaning and isolation procedures in the laboratory (crystallization, distillation) |
determine the weight, volume and density of liquids and solids |
assemble a simple device |
to determine the solubility of the solid depending on the temperature |
prepare solutions of the given composition and determine the exact composition of the solution by titration |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Test |
Skills demonstration during practicum |
Individual presentation at a seminar |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Laboratory work |
Skills demonstration |
Individual study |
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