Which extraction method is best for me?

Selecting the right sample extraction method is one of the most important decisions in any analytical workflow. The extraction technique you choose directly affects analyte recovery, matrix cleanup, reproducibility, and ultimately the quality of your analytical results. With so many sample types, analyte classes, and extraction techniques available, it can be challenging to know where to start.

That's why we developed our Extraction Method Recommendation Tool.

In just a few simple questions, the tool helps identify extraction methods that are well suited for your application based on your sample matrix, analytical goals, target analytes, and laboratory priorities. Whether you're preparing samples for LC-MS, GC-MS, HPLC, ICP, or another analytical platform, the tool provides practical guidance to help narrow down the most appropriate extraction approach.

How the Recommendation Tool Works

Rather than recommending a single extraction technique for every application, the tool considers several factors that influence sample preparation, including:

- Sample matrix (solid or liquid)
- Matrix type (blood, plasma, urine, food, soil, plant tissue, environmental water, and more)
- Analytical objective (targeted analysis, untargeted profiling, natural product isolation, or crude fat determination)
- Target analyte class
- Heat sensitivity
- Laboratory priorities such as automation, green chemistry, low cost, maximum recovery, or trace-level analysis

Using these responses, the tool recommends extraction methods that are commonly used for similar applications while also accounting for practical considerations like throughput, solvent consumption, and selectivity.

Common Extraction Methods Recommended by the Tool

Solid-Phase Extraction (SPE)

Solid-phase extraction is one of the most widely used sample preparation techniques for analytical chemistry. It uses specialized sorbents to selectively retain and concentrate analytes while removing interfering matrix components. SPE is frequently recommended for targeted analyses, trace-level contaminants, and complex sample matrices where cleanup is critical. It's commonly used for environmental samples, pharmaceuticals, biological fluids, and food testing.

Liquid-Liquid Extraction (LLE)

Liquid-liquid extraction remains a reliable and cost-effective technique for separating compounds based on their solubility between two immiscible solvents. Depending on sample volume, the tool may recommend centrifuge-assisted LLE for small-volume samples or traditional separatory funnel extraction for larger volumes. LLE is often an excellent choice when simplicity and low cost are priorities.

QuEChERS

Originally developed for pesticide residue analysis, QuEChERS has become a popular extraction method for food, plant, and environmental samples. Because it combines solvent extraction with salt partitioning and cleanup, QuEChERS offers fast sample preparation and broad analyte recovery, making it particularly useful for multiresidue contaminant screening.

Biphasic Solvent Extraction

Methods such as Folch, Bligh-Dyer, and Matyash use aqueous and organic solvents to separate compounds into different phases. These approaches are especially valuable when both polar metabolites and lipids are of interest, making them popular for metabolomics and lipidomics workflows.

Protein Precipitation

Protein precipitation is a straightforward sample preparation technique for blood, plasma, serum, and other protein-rich biological samples. By removing proteins before analysis, it provides a rapid and inexpensive approach for many routine LC-MS applications involving metabolites and pharmaceuticals.

Traditional Solid-Liquid Extraction

For many solid samples, conventional solvent extraction remains an effective option. Techniques such as maceration, shaking, homogenization, vortexing, and centrifugation provide flexible, low-cost extraction for plant materials, grains, soils, foods, and other solid matrices.

Ultrasound-Assisted Extraction (UAE)

Ultrasound-assisted extraction uses ultrasonic energy to improve solvent penetration into solid samples, reducing extraction time while often lowering solvent consumption. UAE is commonly recommended for botanical materials, food products, and natural product extraction where faster processing is desired.

Soxhlet Extraction

Soxhlet extraction has long been considered the benchmark for exhaustive extraction of heat-stable compounds. Although it requires more time and solvent than many modern techniques, it remains an excellent choice when maximum recovery or established standard methods are required.

Pressurized Liquid Extraction (PLE)

Also known as Accelerated Solvent Extraction (ASE), PLE uses elevated temperature and pressure to speed extraction while reducing manual labor. Laboratories processing large numbers of samples often benefit from its automation, reproducibility, and higher throughput.

Supercritical Fluid Extraction (SFE)

Supercritical fluid extraction most commonly uses carbon dioxide as the extraction solvent, making it an attractive option for laboratories seeking to reduce conventional organic solvent use. SFE is particularly effective for nonpolar and moderately nonpolar compounds and is often selected when green chemistry objectives are important.

A Better Starting Point for Method Selection

No single extraction method is ideal for every application. Blood samples require different preparation than soil samples. Lipid analysis requires different strategies than pesticide screening. Even within the same matrix, your analytical goals may completely change the recommended approach.

Our Extraction Method Recommendation Tool helps simplify this decision process by matching your application with extraction methods commonly used for similar sample types and analytical objectives. Rather than spending hours comparing techniques, you can quickly identify methods that fit your workflow and laboratory priorities.

Whether you're developing a new analytical method, optimizing an existing workflow, or simply exploring sample preparation options, the tool provides a practical starting point that can save time and improve confidence in your extraction strategy.

Try the Extraction Method Recommendation Tool today and discover which extraction techniques best fit your samples and analytical goals.