Sample Preparation Techniques in Analytical Chemistry
Degree Programme: 
Course Code: 
SCA 507

The analytical perspective of sample preparation:  Preservation of samples, post-extraction procedures, quality assurance and quality control during sample preparation, extraction and enrichment in sample preparation;  Principles of extraction: Recovery, methodology, procedures and recent advances in liquid extraction techniques; Sorbents: Sorbent selection and recovery, methodology, procedures and recent advances in liquid–solid extraction sorption; Solid-phase extraction (SPE) and solid-phase microextraction (SPME); Sorbent and analyte recovery, methodology, and recent advances in stir bar sorptive extraction techniques;  Extraction of volatile and semi-volatile organic compounds from solid and liquid matrices: Extraction mechanism, pre- and post-extraction procedures, Soxhlet and soxtec extraction, ultrasonic extraction; Theory, instrumentation, comparisons, and operational procedures of supercritical fluid extraction (SFE); Accelerated solvent extraction (ASE) and microwave-assisted extraction (MAE); Dynamic headspace extraction or purge and trap with GC; Solid-phase microextraction (SPME); GC injection techniques; Membrane extraction;  Preparation of samples for metal analysis: Wet digestion methods, dry ashing- organic extraction of metals; Solid-phase extraction for pre-concentration; Sample preparation for water Samples; Precipitation methods; Preparation of sample slurries for direct AAS analysis; Metal speciation for soils, sediments and plants.

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