Study Guide

Objective

Collection and Sample Preparation Techniques:
Demonstrate proficiency in collecting water, soil, and air samples for the analysis of both organic and inorganic compounds.
Apply appropriate sample preparation techniques to ensure the preservation and stability of collected samples.

Sample Preparation Techniques in Chromatography:
Master various sample preparation techniques, including Solid Phase Extraction (SPE), Solid Phase Microextraction (SPME), Liquid-Liquid Extraction (LLE), and derivatization, to effectively prepare samples for chromatographic analysis.
Select and implement the most suitable sample preparation method based on the analyte, matrix, and desired analytical method.

Trace Analysis of Environmental Samples:
Utilize advanced analytical techniques, including Gas Chromatography-Mass Spectrometry (GC-MS) and Liquid Chromatography-Mass Spectrometry (LC-MS), to identify and quantify residues in environmental samples.
Interpret spectral data and chromatograms to deduce the presence and concentration of specific compounds.

Indoor Air Quality (IAQ) Assessment:
Acquire in-depth knowledge of sampling techniques for assessing indoor air quality.
Apply methods for analyzing indoor air pollutants, including Volatile Organic Compounds (VOCs), radon, carbon monoxide, and particulate matter.
Implement appropriate analytical techniques to quantify indoor air contaminants and evaluate their potential health risks.

Content

• Collection and sample preparation techniques for water, soil and air samples for organic and inorganic compounds
• Sample preparation techniques in chromatography, for example SPE, SPME, LLE, derivatization
• Trace analysis of environmental samples using spectrometric and chromatographic analysis techniques such as GC-MS and LC-MS
• Indoor air quality: sampling techniques and methods for analyzing indoor air pollutants (like VOCs, radon, carbon monoxide and particulate matter)

Prerequisites

Analytical Separation Methods
Spectrometry

Assessment criteria, satisfactory (1)

Student has a basic understanding and precision in sample collection, as well as basic skills in sample preparation to ensure sample preservation and stability. The individual is competent in some sample preparation techniques for chromatographic analysis and proficient in selecting appropriate preparation methods to achieve satisfactory analytical results.

Regarding indoor air quality assessment, the individual acquires foundational knowledge and demonstrates a basic understanding. They apply methods for analyzing indoor air pollutants with a focus on essential aspects but at a basic level. Proficiency is evident in implementing basic analytical techniques for quantifying indoor air contaminants and assessing potential health risks effectively.

Assessment criteria, good (3)

The student has a foundational knowledge of environmental sample collection and a basic understanding of analytical techniques. They possess a moderate understanding of sample preparation techniques, but may encounter challenges with certain methods. While they generally select appropriate sample preparation methods, occasional suboptimal choices may arise. Additionally, the student can effectively apply analytical techniques, although they may make occasional errors in the process.

Assessment criteria, excellent (5)

The individual excels in sample collection, demonstrating a strong understanding and precision. They possess excellent skills in sample preparation, consistently ensuring sample preservation and stability. Furthermore, they master various sample preparation techniques for chromatographic analysis, consistently producing well-prepared samples. Their proficiency extends to selecting and implementing the most suitable preparation methods, maximizing analytical success.

Students acquire extensive knowledge of indoor air quality assessment techniques, demonstrating a deep understanding. Their excellence is evident in the application of methods for analyzing indoor air pollutants, covering VOCs, radon, carbon monoxide, and particulate matter comprehensively. Additionally, they expertly implement appropriate analytical techniques for accurately quantifying indoor air contaminants and assessing potential health risks.

Assessment criteria, approved/failed

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