Mixed-mode ion-exchange polymeric sorbents in environmental analysis.

Area of Science:

• Environmental Chemistry
• Analytical Chemistry

Background:

• Sample treatment is crucial for accurate contaminant determination in environmental samples.
• Solid-phase extraction (SPE) is a widely used technique for both liquid and solid environmental matrices.
• The selection of appropriate sorbents significantly impacts SPE efficiency and selectivity.

Purpose of the Study:

• To review the application of mixed-mode ion-exchange polymeric sorbents in environmental analysis.
• To provide a comprehensive overview of their use in analyzing water and solid samples.
• To summarize the role of these sorbents in contaminant determination and sample cleanup.

Main Methods:

• Review of scientific literature on mixed-mode ion-exchange polymeric sorbent applications in environmental SPE.
• Analysis of various environmental sample types (water, soil).
• Discussion of different target analytes and the SPE protocols employed.

Main Results:

• Mixed-mode ion-exchange polymeric sorbents offer both high capacity and selectivity for environmental sample cleanup.
• These sorbents are versatile and applicable to a wide range of environmental matrices and analytes.
• Specific examples illustrate the effectiveness of different sorbent types and SPE approaches.

Conclusions:

• Mixed-mode ion-exchange polymeric sorbents are valuable tools for environmental sample preparation.
• Their combined ion-exchange and hydrophobic properties enhance the extraction and purification of contaminants.
• This review consolidates knowledge on their application, guiding future research and method development.