Cited by 6Analytical chemistry methods developmentAnalytical Chemistry and ChromatographyPesticide Residue Analysis and Safety

Greening Sample Preparation: New Solvents, New Sorbents

Ramos, Lourdes·2020·Challenges in Green Analytical Chemistry

Abstract

Sample preparation is still identified as the bottleneck of many modern analytical procedures owing to the time-demanding nature of many of the treatment protocols in use. Sample treatment is also considered responsible for a large part of the analytical inaccuracy of analytical methodologies because of the highly manipulative nature of most of these treatments. It is also one of the main limitations when trying to develop green analytical procedures because of the large amounts of reagents and energy consumption typically associated with most of the conventional sample preparation procedures. However, the efforts made in recent decades in this active research field are starting to improve the situation. Today, a plethora of miniaturized techniques have been commercialized for the treatment of liquid (or dissolved) samples. When combined with an appropriate state-of-the-art separation-plus-detection technique, accurate analyte determination is possible even if only a very small amount of sample (i.e. a few mg or mL) is used for the analysis. More importantly, many of these techniques allow sample preparation to be completed in a short time with minimal reagent and energy consumption and with a significant reduction in the amounts of waste generated. In recent years, initial limitations identified in some of these miniaturized solvent-based techniques have started to be circumvented by the incorporation of new non-toxic extraction media as extractants. Similarly, sorbent-based techniques have benefited from advances in the field of engineered materials and nanotechnology by the incorporation of novel sorbents with tuned physicochemical properties for enhanced extraction efficiency and selectivity. Using the analysis of trace organic components in food and environmental matrices as case studies, this chapter reviews the current state-of-the-art in the field of sample preparation.

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Crossref · 10.1039/9781788016148-00114

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Authors
Ramos, L.
Affiliations
Instituto de Química Orgánica General (ES)
Corresponding author
Ramos, Lourdes
Venue
Challenges in Green Analytical Chemistry
Published
2020-05-13
Pages
114-153
OpenAlex
W3022449106
Cited by
6
References
190
Citations by year
2026: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 2
FWCI
1.86
Type
book chapter
Language
en
Open access
closed
Locations
  • Royal Society of Chemistry eBooks (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Topics
  • Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
  • Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Pesticide Residue Analysis and Safety
Keywords
green sample preparation, miniaturized sample preparation, solid-phase extraction, sorbents, nanomaterials, trace organic contaminants, food analysis, environmental analysis, waste reduction, energy consumption

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