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Analytical Chemistry

Code 10247
Year 2
Semester S1
ECTS Credits 6
Workload PL(30H)/T(30H)
Scientific area Chemistry
Mode of delivery Classroom teaching
Learning outcomes In this course unit it is intended that the student understands the chemical reactions the classical analytical methods are based on, in order to interpret the results obtained in the chemical analyses. At the end of the course unit the student should be able to:
-Understand the behaviour of electrolyte solutions
-Calculate the pH from acid-base equilibrium
-Identify the requirements for the formation of precipitates and calculate solubilities in different media
-Apply complexing agents on the analysis of metals
-Apply redox equations in chemical analysis
Syllabus 1. Conductimetry
1.1. Conductivity measurements
1.2. Applications. Conductivity titrations
1.3. Activity and activity coefficient
2. Gravimetry
2.1. Solubility and solubility product
2.2. The common ion effect
2.3. The ionic strength effect
3. Precipitation titrimetry
3.1. Titration curves
3.2. Indicators
4. Neutralization titrimetry
4.1. Basic concepts
4.2. Titration curves
4.3. Indicators
4.4. Buffer solutions
5. Complexometric titrations
5.1. Titration curves
5.2. Titration of mixtures of metals. Interferences
6. Oxidation-reduction titrations
6.1. Redox reactions
6.2. Nernst equation
6.3. Titration curves
6.4. Oxi-reduction indicators

- Conductivity of strong electrolytes
- Precipitation reactions. Volumetric titrations
- Analysis of a mixture of sodium carbonate and sodium hydrogen carbonate
- Determination of water hardness
- Redox titration: Permanganometry

Main Bibliography - D. A . Skoog, D. M. West e F. J. Holler, “Analytical Chemistry: An Introduction”, 6ª ed., Ed. Saunders College Publishing, 1994
- N. Baccan, J. C. Andrade, O. E. S. Godinho e J. S. Barone, “ Química Analítica Quantitativa Elementar”, 3ª ed., Ed. Edgard Blücher, Lda, 1994.
- R. L. Pecsok, L. D. Shields, T. Cairns, I. G. McWilliam, “Modern Methods of Chemical Analysis” 2ª ed., Ed. John Wiley & Sons, 1968
- D. Harvey, “Modern Analytical Chemistry” 15ª ed., Ed. Mc Graw-Hill, 2000
Language Portuguese. Tutorial support is available in English.
Last updated on: 2012-05-21

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