Non-conventional solvents in liquid phase microextraction and aqueous biphasic systems

Area of Science:

• Analytical Chemistry
• Green Chemistry

Background:

• Liquid phase microextraction (LPME) techniques have advanced for rapid, high-throughput sample preparation.
• Conventional organic solvents in LPME pose environmental and selectivity challenges.

Purpose of the Study:

• To review the use of non-conventional solvents in LPME and aqueous biphasic systems.
• To highlight advancements in greener sample preparation techniques from 2012-2016.

Main Methods:

• Review of scientific literature from 2012-2016.
• Focus on ionic liquids, magnetic ionic liquids, and deep eutectic solvents in LPME modes.
• Analysis of applications in aqueous biphasic systems.

Main Results:

• Non-conventional solvents show promise in reducing toxic waste.
• These solvents improve selectivity and extraction efficiency in various LPME techniques.
• Diverse analytical applications have been demonstrated.

Conclusions:

• Non-conventional solvents are effective alternatives in LPME.
• Their use aligns with green chemistry principles for sustainable analytical methods.
• Continued research is vital for optimizing these greener extraction approaches.