Extraction Systems

Extraction Systems
Systems, devices, and accessories designed for the extraction of compounds in various phases; available in a variety of materials and configurations.
In the food industry, scientists use extraction systems to check for contaminants and other harmful substances in food samples to maintain food safety.
What Are Extraction Systems Used for?
Extraction systems are used to measure the fat content of foodstuffs or other materials. Although extractions can be performed manually, using extraction systems can reduce exposure to heat and toxic solvents like ethyl or petroleum ether.
Soxhlet Extraction Systems
The method was developed in 1879 by Franz von Soxhlet to extract lipids from solid materials. Typically, Soxhlet extractions are especially useful when the compound and the impurity have different solubilities in the solvent. The extractor can run by itself and efficiently uses only a small amount of recycled solvent to dissolve a large amount of material.
A Soxhlet extractor consists of a percolator that circulates the solvent, a thick filter paper thimble that retains the solids, and a siphon to periodically empty the thimble.
Goldfisch Extraction Systems
This method is recognized by AOAC International (agricultural chemists) as an acceptable procedure for measuring fat and oil content. Extraction times can be reduced from 16 to approximately four hours with this reflux method.






Filtered Search Results

Fisherbrand™ Filtration Extraction Thimbles - Grade 645 Cellulose
Ensures complete extraction of samples, prevents contamination and minimize hands-on time

For Use With (Equipment) | Soxhlet extractors or automized extractors |
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Material | Cellulose |
Grade | 645 |
For Use With (Application) | Fat determination in food and feed, Determination of binder content, Analysis of soil contaminants, Determination of additives in rubber and elastomers |
Fisherbrand™ Filtration Extraction Thimbles - Grade 649 Glass Fibre
Ensures complete extraction of samples, prevents contamination and minimize hands-on time
For Use With (Equipment) | Soxhlet extractors or automized extractors |
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Wall Thickness | 1 mm |
Material | Glass Fibers |
Grade | 649 |
For Use With (Application) | Pollution monitoring, air sampling, High temperature filtration (up to 500°C), For acid and base solvents |
Cytiva Whatman™ High Purity Glass Microfiber Soxhlet Extraction Thimbles
Designed to fit most Soxhlet extraction units. Whatman™ High Purity Glass Microfiber Soxhlet Extraction Thimbles are made of 100% borosilicate glass microfiber. They are well-suited to pollution monitoring when analysis of hot and acidic gases is required.

Material | Borosilicate Glass Fibers |
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Max. Temperature (Metric) | 500°C |
For Use With (Application) | Smoke stack gas monitoring. Soxhlet extraction. Analyzing pesticide residues. Determining oil/fat content of foods. Analysis of oil and grease in solid wastes. |
Cytiva Whatman™ Grade 603 Cellulose Extraction Thimbles
Range in size and length to ensure optimal fit.. Whatman™ Grade 603 Cellulose Extraction Thimbles are for use with extracting pesticides from environmental samples and fat analysis in the food industry

Max. Temperature (English) | 266°F |
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Grade | 603 |
Material | Cellulose |
Max. Temperature (Metric) | 130°C |
Cytiva Whatman™ Glass Microfiber Extraction Thimbles, Grade 603G, without binder
Use for analysis of hot and acidic gases, including emission control and smoke tack gas monitoring. Whatman™ Glass Extraction Thimbles are designed to fit most Soxhlet extraction units and can be used with solvents that are incompatible with cellulose thimbles.
Cytiva Whatman™ Quartz Microfiber Extraction Thimbles for Emission Testing
Support accurate, reproducible emission testing by providing low extractable levels and temperature resistance up to 800°C. Whatman™ Quartz Microfiber Extraction Thimbles are tapered for stack sample loading. Applications include emission testing, smoke stack gas sampling, gravimetric calculations in gases, analysis of hot and acidic gases, trace element analysis, and analysis of pesticides and residues.
MilliporeSigma™ Supelco™ Soxhlet Apparatus Kits
For continuous solvent extraction of semivolatile analytes from solid matrices
Type | Soxhlet Apparatus Kit |
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For Use With (Application) | Continuous Solvent Extraction of Semivolatile Analytes From Solid Matrices |
Type | Receiving Vessel |
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Material | Glass |
Cytiva Whatman™ Cellulose Soxhlet Extraction Thimbles, Single 1mm Wall
Manufactured from high-quality alpha cellulose cotton linter for high-performance use in automated Soxhlet extractor systems. Whatman™ Cellulose Soxhlet Extraction Thimbles are intended for applications including use in air and waste gas analysis.

Material | Cellulose |
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For Use With (Application) | Air and waste gas analysis |
Cytiva Whatman™ Cellulose Soxhlet Extraction Thimbles, double 2mm wall
Manufactured from high-quality alpha cellulose cotton linter for high-performance use in automated Soxhlet extractor systems. Whatman™ Cellulose Soxhlet Extraction Thimbles are intended for applications including use in air and waste gas analysis.
Material | Cellulose |
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For Use With (Application) | Air and waste gas analysis |
Cytiva Whatman™ High Performance Cellulose Extraction Thimbles
Manufactured from high-quality alpha cellulose cotton linter for high-performance use in automated Soxhlet Extractor Systems. For use in air and waste gas analysis.
Cytiva Whatman™ Extraction Thimble for DIONEX ASE 200
Extraction thimbles for DIONEX ASE 200 extraction cell
Cytiva Whatman™ Glass Microfiber Extraction Thimbles, Grade 603G
Flexibly designed for use in a full range of commercially available Soxhlet apparatus systems. Whatman™ Glass Microfiber Extraction Thimbles are designed for applications including analysis of hot and acidic gases, analysis of pesticide residues, determination of oil/fat content of foods, and analysis of oil and grease in solid wastes.
Grade | 603G |
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Material | Borosilicate Glass Fibers |
For Use With (Application) | Smoke stack gas monitoring. Soxhlet extraction. Analyzing pesticide residues. Determining oil/fat content of foods. Analysis of oil and grease in solid wastes. |
Cytiva Whatman™ Cellulose Extraction Thimbles
Ensures optimal fit with its wide range of sizes suitable for use in thimble holders and automated extraction apparatus. Whatman™ Cellulose Extraction Thimbles are constructed of high-quality cellulose for excellent mechanical strength and retention.
Product Type | Extraction Thimble |
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For Use With (Equipment) | For automated extraction apparatuses |
Max. Temperature (English) | 248°F |
Material | Cellulose |
Max. Temperature (Metric) | 130°C |
For Use With (Application) | For the analysis of fats or pesticides in foods and soil materials as well as in many other procedures that involve a solid-liquid extraction |
Cytiva Whatman™ High-Purity Glass Thimbles
Use for pollution monitoring when analysis of hot and acidic gases is require. Whatman™ High-Purity Thimbles are designed to fit most Soxhlet extraction units and can be used with solvents that are incompatible with cellulose thimbles.
Cytiva Whatman™ High-Purity Glass Thimbles
Use for pollution monitoring when analysis of hot and acidic gases is required. Whatman™ High-Purity Thimbles are designed to fit most Soxhlet extraction units and can be used with solvents that are incompatible with cellulose thimbles.
PYREX™ Kuderna-Danish Replacement Flasks
Includes pair of 1.25 in. stainless-steel springs and two sizes of Keck clamps
Height (Metric) | 22 cm |
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Standard Taper Joint Bottom | 19/22 |
Type | Kuderna-Danish Replacement Flask |
Standard Taper Joint Top | 24/40 |
Height (English) | 8.66 in. |
Includes | Fritted discs |
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Product Type | Extraction Thimble |
For Use With (Equipment) | For Pyrex extractors and extraction apparatus, soxhlet extractors |
Material | Borosilicate Glass |
For Use With (Application) | For weighing extracted materials |
Labconco™ Goldfisch Fat/Oil Extractor
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
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Small and/or diverse supplier based on Federal laws and SBA requirements.
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Recognized by AOAC for determining fat and oil content in samples
PYREX™ Replacement Extractor Cup
For use with PYREX Accelerated One-Step™ Extractor-Concentrator system
PYREX™ Jacketed Concentrator Tube 100mL
Permits solvent concentration to 1mL without risk of boiling to dryness
Height (Metric) | 16 cm |
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Product Type | Filter Thimble |
For Use With (Equipment) | Pyrex gooch fritted discs crucibles and porcelain plates |
Diameter (Metric) Outer | 0.8 cm |
Diameter (English) Outer | 0.31 in. |
Material | Pyrex |
For Use With (Application) | Used to collect the filtrate |
Height (English) | 6.29 in. |
Includes | Allihn condenser |
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Type | Soxhlet Extraction Apparatus |
Diameter (Metric) Outer Tube | 1 cm |
Diameter (English) Outer Tube | 0.39 in. |
PYREX™ Soxhlet Extractor with Standard Taper Joints, Body Only

Bulb in siphon tube near the top of tube facilitates cycling of the siphoning action

For Use With (Equipment) | Pyrex Soxhlet Apparatus Allihn Condenser |
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For Use With (Application) | Bulb in siphon tube near the top of tube facilitates cycling of the siphoning action |
Labconco™ Alundum™ Extraction Thimbles
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Goldfisch Fat Extractor replacement part