Soxhlet extractor (triple)

1Soxhlet extractor (triple)Product Overview

The KRH-III (triple) Soxhlet extractor is an experimental equipment widely used in chemical, food, agricultural, pharmaceutical, environmental testing, and university laboratories. It is mainly used for extracting soluble substances from solid samples. It utilizes solvents to efficiently dissolve and separate target components in solid samples during boiling, condensation, and reflux cycles, thereby achieving the purpose of extraction.

This model is designed as a "triple" system, which allows for parallel extraction of three samples simultaneously. It has the advantages of high efficiency, easy operation, time and solvent saving. The equipment consists of a heating section, a condensing section, and an extraction section. It is made of high-quality heat-resistant glass with good transparency, making it easy to observe the operation process; The heating part is mostly electric heating sleeve or water bath heating, with precise and stable temperature control to ensure the consistency of extraction effect.

The KRH-III Soxhlet extractor is commonly used to determine the fat content in grains, feed, and food. It is also suitable for extracting lipids, oils, and volatile compounds from samples such as soil, sediment, and plant tissue. It is one of the basic equipment for laboratory chemical analysis and component detection.

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IISoluble content analyzerProduct Specifications

•Model: KRH-III (Triple) Soxhlet extractor

•Extraction unit: Three sets of Soxhlet extraction tubes, capable of simultaneously testing three samples

•Heating method: electric heating sleeve or constant temperature water bath heating (temperature adjustable)

•Temperature control range: Room temperature~100 ℃ (water bath) or Room temperature~300 ℃ (oil bath/electric heating jacket)

•Condensation method: upright reflux condenser tube, continuous circulation of cooling water

•Extraction bottle capacity: generally 250 mL (can be customized to 100 mL, 500 mL, etc.)

•Extraction tube size: in accordance with national laboratory standards

•Power: Approximately 800~1500 W (depending on heating method)

•Power supply: AC 220V ± 10%, 50Hz

•Material: High quality borosilicate glass (heat-resistant, corrosion-resistant)+metal frame bracket

•Work efficiency: Can work continuously for 6-8 hours and operate stably within 24 hours

•Security configuration: anti dry burning protection, heating overload protection

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IIISoxhlet extractor (triple)Instructions for Use

1.Place the equipment on a fume hood or well ventilated experimental platform to ensure safety.

2.Clean the extraction bottle, extraction tube, and condenser tube with cleaning agent and distilled water according to the experimental requirements and dry them.

3.Load the weighed sample into the extraction cylinder, place it inside the extraction tube, and place degreased cotton or filter paper at both ends to prevent sample particles from entering the solvent bottle.

4.Add an appropriate amount of organic solvent (such as petroleum ether, ethanol, etc., selected according to experimental standards) to the extraction bottle.

5.Connect the extraction bottle, extraction tube, and condenser tube to ensure that all interfaces are well sealed.

6.The upper opening of the condenser pipe is connected to the cooling water pipe, and cold water enters from the lower opening and flows out from the upper opening to ensure the condensation effect.

7.Turn on the heater, adjust the temperature, make the solvent boil and circulate reflux.

8.The extraction time is executed according to the experimental standard (usually 4-8 hours).

9.After the extraction is completed, turn off the heater and wait for the device to cool down before disassembling. Retrieve the solvent from the extraction bottle and take out the extract for subsequent analysis.

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4Soluble content analyzerUsage method (simplified process)

1.Preparation work: Sample drying → Weighing → Loading into extraction cylinder.

2.Installation equipment: Connect the extraction bottle, extraction tube, and condenser tube in order → check the sealing.

3.Add solvent: The solvent volume is generally 2/3-3/4 of the extraction bottle volume.

4.Turn on cooling water: Ensure condensation efficiency and avoid solvent loss.

5.Heating extraction: Control the heating speed to make the solvent boil moderately and maintain stable reflux.

6.Extraction complete: Turn off heating, cool down → disassemble device → recover solvent.

7.Post processing: Take out the sample residue for weighing or other testing, and calculate the extraction rate.

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5Waterproof membrane Soxhlet extractorPrecautions

1.safety protection

•The organic solvents used in the extraction process are mostly flammable and volatile substances, and should be operated in a fume hood. Open flames are strictly prohibited.

•Operators should wear goggles, solvent resistant gloves, and lab coats to avoid skin contact with solvents.

2.temperature control

•The heating speed should not be too fast to prevent the solvent from splashing or exploding due to sudden boiling.

•If an oil bath is used, the heating medium should be clean and the temperature should not exceed the rated upper limit of the equipment.

3.Condensed water management

•Ensure that the condensate flow is sufficient and continuous without interruption, otherwise it may cause solvent evaporation loss or even danger.

4.Glass container protection

•Be gentle during installation and disassembly to prevent glassware from breaking.

•Do not heat or cool glassware during sudden cooling or heating to avoid explosion.

5.Solvent selection

•Select suitable solvents based on the target components, and pay attention to their boiling point, polarity, and safety.

•Different solvents should not be mixed arbitrarily to avoid the formation of harmful substances during the reaction.

6.Equipment maintenance

•After each experiment, the equipment should be cleaned promptly, especially the inside of the extraction tube, to prevent sample residue from affecting the next experiment.

•Regularly check the heater, cooling water pipe, and power cord to ensure that the equipment is in good condition.

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VI. Summary

The KRH-III (triple) Soxhlet extractor has become an important tool for laboratory solid-liquid extraction due to its high efficiency, stability, and convenient operation. The triple structure not only improves experimental efficiency, but also ensures the comparability of parallel samples, providing reliable data support for chemical analysis, quality testing, and scientific research experiments. As long as the equipment is operated correctly and maintained regularly, it can operate stably for a long time and become a durable and efficient analytical device in the laboratory.