Accelerated solvent extraction¶

Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix.

Version: v1 · 2026-09-28 · History
Domain-specific #: 7840
Domain group: Natural Sciences
Origin domain: Chemistry & Materials Science
Subdomains: Analytical Chemistry, Sample Preparation → Chemistry & Materials Science

Core Idea¶

Accelerated solvent extraction is treated here as the recurring naturalsciencesengineeringhealth identity summarized by this source-grounded definition: Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix. Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix. The process uses high temperature and pressure, which results in the extraction taking less time and requiring less solvent, and possibly also giving better analyte recovery, than.

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Hot Squeezed Soaking

To get the stuff you want out of something like dirt or leaves, you can soak it in a liquid. Accelerated solvent extraction makes the liquid super hot so it works faster, and squeezes it hard so it stays a liquid instead of boiling away. That way you finish sooner and use less liquid.

Super-Hot Chemical Soak

Scientists often need to pull certain chemicals out of a solid sample, like soil or food, by soaking it in a liquid called a solvent. Accelerated solvent extraction speeds this up by heating the solvent well above the temperature where it would normally boil. To stop it from boiling, the machine keeps it under high pressure, so it stays liquid. The hot solvent pulls the chemicals out faster, so the job takes less time and less solvent, and sometimes gets more of the chemical out than older, gentler methods.

Pressurized Solvent Extraction

Accelerated solvent extraction (ASE), also called pressurized solvent extraction, removes target chemicals, called analytes, from complex solid or semisolid samples. The sample is loaded into an extraction cell inside a temperature-controlled oven and extracted with solvent at high temperature and pressure. The high temperature improves how efficiently the analyte is extracted, and the high pressure keeps the solvent liquid even above its normal boiling point. Compared with traditional methods run under milder conditions, ASE is faster, uses less solvent and may recover more of the analyte. Automated systems finish by rinsing the cell and lines with solvent and nitrogen before the next run.

Accelerated solvent extraction, also known as pressurized solvent extraction, extracts analytes from complex solid or semisolid sample matrices using elevated temperature and pressure. The two conditions play distinct roles: raised temperature increases extraction efficiency for the analyte of interest, while raised pressure keeps the solvent in the liquid phase when its temperature exceeds its normal boiling point. Relative to conventional extractions under less extreme conditions, the result is shorter extraction time, lower solvent consumption and possibly improved analyte recovery. Operationally, the solid sample fills an extraction cell placed in a temperature-controlled oven; after extraction the cell is rinsed with solvent, a rinse valve is opened, and the cell and lines are purged with nitrogen before the next extraction. An automated system for the process was developed by Dionex, now part of Thermo Fisher Scientific. What identifies the method is liquid-phase extraction from a solid or semisolid matrix under heat and pressure, not solvent extraction in general.

Scope of Application¶

Applications. Accelerated solvent extraction has found many applications in the food industry, including in.
Documented setting. Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix.
Documented setting. The process uses high temperature and pressure, which results in the extraction taking less time and requiring less solvent, and possibly also giving better analyte recovery, than traditional methods that use.
Documented setting. The elevated temperature is employed to increase extraction efficiency of the analyte of interest and the elevated pressure is used to keep the solvent in a liquid state as the temperature.
Method. The extraction cell is filled with the solid sample to be examined and placed in a temperature-controllable oven.

Clarity¶

A clear use of Accelerated solvent extraction names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix.

Manages Complexity¶

Accelerated solvent extraction compresses multiple naturalsciencesengineeringhealth details into a stable diagnostic relation. The source shows both the central mechanism—a sample often goes through several extraction cycles.—and the practical consequence—finally, the extraction cell is rinsed with solvent, the rinsing valve is opened and the cell and all lines are rinsed with nitrogen and the apparatus is prepared for further extractions.

Abstract Reasoning¶

Type the carrier. Identify the naturalsciencesengineeringhealth entities to which the claim applies.
State the relation. Use the source-grounded identity: Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix.
Check operation and conditions. The process uses high temperature and pressure, which results in the extraction taking less time and requiring less solvent, and possibly also giving better analyte recovery, than traditional methods that use less extreme conditions. 4.

Knowledge Transfer¶

Within the home domain. Knowledge about Accelerated solvent extraction transfers literally when a new case preserves the same carrier type, relation, and recognition test. Accelerated solvent extraction has found many applications in the food industry, including in. Accelerated solvent extraction (ASE), also known as pressurized solvent extraction (PSE), is a method for extracting various chemicals from a complex solid or semisolid sample matrix. Beyond the home domain. No canonical parent is asserted for Accelerated solvent extraction.

Neighborhood in Abstraction Space¶

Accelerated solvent extraction sits in a moderately populated region (60^th percentile for distinctiveness): it has near-neighbors but no dense thicket of look-alikes.

Family — Unclustered & Miscellaneous (2551 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-08