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Chromatography techniques

  • School / Prep

    ENSMAC

Internal code

PI6THCHR

Description


Know the two main chromatography techniques (gas phase and liquid phase)
Be able to determine the analytical conditions for a simple mixture
Be able to quantify each of the elements present in the analyzed mixtures

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Teaching hours

  • CIIntegrated Courses24h

Mandatory prerequisites


Basic chemistry (product classes) - some knowledge of physical chemistry (particularly spectroscopy)
Organic chemistry: knowledge of organic functions, chemical structures, polarity

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Syllabus

Introduction
Part II: Fundamental quantities in chromatography

Retention time and retention factor
Selectivity
Van Deemter's and Golay's equations
Theoretical plate numbers
Solving
Application exercises

Part II: Gas chromatography

Introduction to the apparatus : characteristics of carrier gases, injector, detectors
Presentation of stationary phases and their characteristics
Kovats and Mac Reynolds indices
Setting up a separation of a mixture by gas chromatography
Applications
Application exercises

Part III: Liquid chromatography

Presentation of the apparatus: characteristics of solvents, injector, detectors
Presentation of stationary phases and their characteristics
Characteristics of mobile phases and polarity
Separation of a mixture by liquid chromatography
Applications
Application exercises

Part IV: Quantification

Internal standardization
External calibration
Internal calibration
Application exercises

Part V: Equipment handling sessions
1 . Separation of a mixture in gas chromatography

Isothermal mode
Setting up a temperature gradient for separation
Influence of the stationary phase
Qualitative analysis of compounds in a mixture

2. Implementing a separation of a mixture in Liquid Chromatography

Isocratic mode
Implementing an elution gradient
Influence of stationary phase, mobile phase and detection conditions

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Further information

Physical and Analytical Chemistry

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Bibliography


Liquid and supercritical phase chromatography by R. Rosset, M. Caude, A. Jardy
Gas phase chromatography by Tranchant

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Assessment of knowledge

Initial assessment / Main session - Tests

Type of assessmentType of testDuration (in minutes)Number of testsTest coefficientEliminatory mark in the testRemarks
Final inspectionDefense201

Second chance / Catch-up session - Tests

Type of assessmentType of testDuration (in minutes)Number of testsTest coefficientEliminatory mark in the testRemarks
Final testDefense201