Buchi Labortechnik – Switzerland


For 75 years BUCHI is a leading solution provider in laboratory technology for R & D, quality control and production worldwide. Their key products include Rotavapor, Kjeldahl (Protein Determination), Fat Extraction, NIR Spectroscopy, Melting Point & many more.



Lab Evaporation


Industrial Evaporation


Parallel Evaporation


Spray Drying & Encapsulation


Freeze Drying


Melting & Boiling Point


Flash & Preparative Chromatography


Kjeldahl (Protein/Nitrogen) Determination


Automated Extraction Solutions


NIRSolutions for Lab


NIROnline Process Analyzer

Rotavapor R-300 Professional


The Rotavapor® R-300 meets the highest expectations in convenience & versatility for rotary evaporation. The modular design allows for easy extension of the R-300 to a fully integrated system where a central interface regulates each component.


– Modern Rotavapor with advanced features & upgrade possibilities.

– Available with ergonomic manual or electronic lift for maximum flexibility.

– Patented combi clip with snap lock mechanism for one handed operation.

– Combi Clip can be used for evaporating flask fixation & removal, as well as vapor duct release.

– Immersion angle can be adjusted in 7 stages, ideal for different flasks & applications.

– Advanced safety feature, automatic lifting of flask in case of power failure (electronic lift only).

– High quality condenser with 1500 cm2 cooling surface, opening on top for easy cleaning.

– Lift height is digitally indicated on heating bath, allows reproducibility of parameters.

– Automatic foam detection possible with accessory.

– Remote monitoring of parameters with BUCHI Rotavapor® App.


Vacuum Pump V-300


Chemically resistant PTFE diaphragm pump, very low noise emission.

– Speed-controlled operation when combined with the Buchi Interface.

– Optional level detection of receiving flask.

– Flow rate 1.8 m3/h & vacuum of 5 mbar.

– Easy plug & play integration into R-300.

– Transparent front panel, easily visible to avoid contaminants from damaging pump.


Interface I-300/ I300 Pro

– Central control unit for R-300 system: rotation speed, temperature (heating bath & coolant), pressure, time etc. – Solvent library with list of solvents.

– Integrated leak test. – BUCHI Rotavapor® APP with live view & push notifications of all process parameters on phone/tablet.

– I-300 Pro with 7” touchscreen, charting, data recording & custom solvent list.



Recirculating Chiller F-305


– Temperature range of -10 to + 25 °C

– Cooling capacity of 550W at 15 °C

– Set temperature in 0.1 °C increments.

– Combine with the Interface for automatic stop, ECO mode & Dynamic Operation mode – Temperature lock to avoid accidental changes of set temperature.

Industrial Evaporation


As the market leader in industrial evaporation, BUCHI offers dedicated and customer specific solutions for industrial evaporation. Whether you ask for concentration, solvent recycling or drying, we provide the right answer for large scale evaporation in production and pilot plant processes.


R-220 SE – 20 L Rotavapor®


– For safe & fast distillations, drying or concentrations on the large scale.

– Integrated vacuum controller & large display for control & supervision of the entire distillation.

– Insulated heating bath (180°C), operated with electric bath lift.

– Complete with bath replenishment, aeration valve, vapor temperature sensor & 6” LCD display.

– Quick installation of glass parts thanks to patented EasyClamp.

– With 7 glass assemblies,10L or 20L evaporation flasks, & one or two scaled 10L receiving flasks.

– The glass assembly (excluding evaporating flask) is safety coated.



R-250 – 50 L Rotavapor®


– Efficient & gentle distillation, drying or reflux chemical reactions in pilot & production scale.

– Rotation speed that can be regulated from 5-100 rpm.

– Ergonomic digital settings for speed, vapour & bath temperature, low abrasion sealing system.

– Double-walled heating bath of stainless steel (20°C – 180°C) with bath replenishment & multiple protection against overheating.

– Easy & simple assembly & dismantling of all glass parts with EasyClamp.

– Available in 4 glass assemblies, with plastic or glass coating, and 20 L & 50 L evaporation flasks.

Parallel Evaporation Solutions


Multivapor™ P-6 / P-12:

  • Increase your efficiency by processing up to 12 samples in parallel
  • Increase sample throughput with a fraction collector directly using the Multivapor™
  • Efficient in use for many different solvent volumes and sample sizes
  • Intuitive operation with easily adjustable and reproducible parameter settings
  • Full visibility of the samples during the evaporation process
  • Easy sample handling with the sample transfer rack
  • Optimized sample transfer from BUCHI SpeedExtractor by using the same vessels
  • Use your existing individual glassware with a variety of offered adapters
  • Adaptable to your needs by flexible rack replacement (6 or 12 samples)


Syncore® Analyst:


  • Improve your sample throughput by concentrating up to 12 samples to a residual volume
  • No need of nitrogen saves operational cost
  • Small foot print saves expensive lab space
  • Optimize your process by combining the solid phase extraction and the concentration
  • Clever design and Integrated solid phase extraction (SPE) eliminates contamination risks
  • High recovery rates due to smooth sample processing (up to 100 % solvent recovery)
  • Save time by using the fast and proven parallel Vortex evaporation technology
  • Increase productivity by fast concentration of up to 12 samples in parallel
  • Concentrate to a predefined residual volume allows a unattended workup


Syncore® Polyvap:


  • Highest sample throughput of up to 96 samples due to the speedy “Vacuum Vortex parallel evaporation technology”
  • Directly Collect your flash Chromatography fractions.
  • Integrable solid phase extraction (SPE) saves time and reduces contamination risk
  • Lowest emissions by close to 100 % solvent recovery
  • Prevent boiling retardation during evaporation due to the variable orbital shaking
  • Save money and reduce emissions by no need of nitrogen
  • No cross-contamination due to the vacuum cover
  • Interchangeable racks to evaporate samples from 0.5 to 500 mL
  • Optimal adjusted vacuum gradients guarantees maximum flexibility and working speed
  • Evaporate even high-boiling solvents thanks to the heated cover and the high boiling kit


Spray Drying & Encapsulation Solutions


BUCHI’s proven, reliable and versatile solutions for Spray Drying and Microencapsulation cover a broad range of applications. Discover the time- and cost-saving solutions for R&D particle formation.


Buchi Mini Spray Dryer B-290


The Mini Spray Dryer B-290 is the world’s leading lab-scale Spray Dryer designed for a wide range of applications in various fields such as Pharmacy, Chemistry, Food & Feed, Beverages, etc. It offers quick and gentle drying of aqueous & organic solutions or emulsions to stable & free flowing powder.


– Efficient: Short set-up and cleaning times.

– Cost effective: reproducible powder production at lab-scale with high yields (up to 70%)

– Two-Fluid Nozzle: Stainless steel, easy to clean & minimise dead volume.

– Nozzle Cleaning Device: Automatic cleaning with pneumatic cleaning device.


Buchi Nano Spray Dryer B-90


The Nano Spray Dryer B-90 is a revolutionary product for unique particle generation down to the submicron range from minimal sample quantities at high yields. The novel piezoelectric driven spray head of the B-90 creates millions of precisely sized droplets of very narrow distribution every second, which are then dried & separated by an electrostatic particle collector with excellent particle recovery rates for finest particles and milligram sample quantities.

– Designed specially to evaluate spray drying at the early stages of method development.

– Invest only a minimal sample amount to receive powder quantities of < 100 mg.

– Produce submicron – or even nanoparticles of 300 nm to 5 μm size with narrow size distribution.

– Profit from minimal product loss due to uniquely high yields up to 90 %.

– Safe process time thanks to simple assembling, easy cleaning and fast product change.

– High Performance Cyclone: For safe collection of powder after drying.

– Control: particle shape, morphology & density can be controlled by altering spray drying conditions.


Buchi Encapsulator B-390 & B-390 Pro


The Encapsulators B-390 and B-395 Pro enable a successful start in microencapsulation for product development & feasibility studies. They are designed for the immobilization of enzymes, drugs, flavours & fragrances, vitamins, cells or microbes into a wide range of polymers / waxes.


Applications range from controlled release and protection systems, to coatings of particles with functional groups, improvement of capsule stability, dosage and storage. Uniform capsules and beads are produced when a laminar flowing liquid jet breaks up into equally sized droplets by superimposed vibration. The droplet diameter is pre-selectable in the range of 0.15mm to 2 mm with a spherical shape and narrow size distribution. Benefit from the

– Reproducible bead formation and real-time process control.

– Sterile handling (autoclavable reaction vessel for sterile containment).

– User friendliness and wide variety of applications.

– Simple installation with quick and easy learned operation.

Freeze Drying Solutions for the Lab


As the market leader in laboratory evaporation, BUCHI offers the first laboratory Freeze Dryer with Infinite-Technology™ and Infinite-Control™. Applications range from research and development to quality control within a broad spectrum of market segments. Our BUCHI solutions stand out by their efficiency and practical capability.


Lyovapor™ L-300


With Infinite-Technology™ the Lyovapor™ L-300 offers continuous sublimation for the first time with two alternately working and automatically hygienically cleansed condensers at -105 °C. In addition, Infinite-Control™ allows entire process control of all relevant parameters, also via mobile devices.



Lyovapor™ L-200


The compact Lyovapor™ L-200 offers high-quality Freeze Drying (-55 °C, 6 kg) with a high level of automation. Infinite-Control™ includes easy method creation, method running, data logging, chart recording in real-time and interruption if needed from anywhere at anytime.


More information…

Melting & Boiling Point Solutions


BUCHI offers you solutions to determine your melting and boiling points with high accuracy, visual or automatic determination and optional qualification packages meeting highest regulatory standards.


Melting Point M-560:


Sample Determination: Three different samples can be determined simultaneously. The user watches the samples on the display panel through a 2.5 magnifying glass for precise determination, detects the start and completion of melting and stores the values by pressing a button. The optimized design of the heating block allows faster cooling times and as a result a higher throughput per hour.

Heating Block: Optimized design of the heating block allows faster cooling times and therefore higher samples throughput per hour.

Calibration: The fully menu guided Calibration and the BUCHI Calibration Standards guarantee exact calibrations.

Sample Loader M-569: For fast and efficient loading of samples into BUCHI melting Point capillaries.

Printer & Keyboard: The optional Printer is for GLP/GMP-conform documentation of results of calibration, melting and boiling point determination. The optional Keyboard can be used for a fast input of sample parameters.



Melting Point M-565:


 Video Recording: The video recording of the melting or boiling process enables a fatigue-proof, relaxed observation of the phase transition on the colour display in 6 fold magnification.

Video Movie: Video movie of every determination allows the look at the results after the measurement. Variable speed from single picture slow motion to fast motion up to 100x help to analyze the entire process in an efficient way.

Sample Determination: Three different samples can be determined simultaneously. The user watches the samples on the display panel through a 2.5 magnifying glass for precise determination, detects the start and completion of melting and stores the values by pressing a button. The optimized design of the heating block allows faster cooling times and as a result a higher throughput per hour.

Heating Block: Optimized design of the heating block allows faster cooling times and therefore higher samples throughput per hour.

Display: A brilliant large colour display with a high resolution guarantees a comfortable control of the instrument and helps you to determine melting points in a most efficient way.

Calibration: Fully menu guided calibration in combination with the BUCHI Calibration Standards enable high quality calibrations.

Sample Loader: For fast and efficient loading of samples into BUCHI melting Point capillaries.

IQ/OQ: Optional IQ/OQ Documentation for customers in a regulated environment. No need to create validation documents

Melting Point Software: Optional Melting Point Monitor Software for an easy and save management of users, methods and results.

Preparative Chromatography Solutions


Whatever the complexity or the scale of your purification process is, the BUCHI preparative chromatography systems are designed to fulfill your changing needs. Together with a broad range of high performance flash chromatography columns, we provide you the optimized solution suited to your purification workflow.


Sepacore® Easy Purification Systems:


You are looking for a cost-effective yet high performance initial system to run your purifications which could later evolve with your needs. The Sepacore Starter is a basic flash pumping system allowing you to take full advantage of your columns’ separation potential.


Benefits of Sepacore Easy Systems:


– Improved separation of your complex natural extract with controlled elution parameters

– Lower solvent consumption with an easy adjustment of the solvent composition

– High efficiency purification at a pressure up to 50 bar using small particle size silica


Sepacore® “Easy Synthesis” purification system:


The synthesis of each new compound requires the isolation of the target molecule at the highest possible purity. This system features a 250 mL/min, 10 bar (145 psi) gradient pumping system which lets you take full advantage of your flash cartridge in order to reach this goal.


Sepacore® “Easy Extract” purification system:


The isolation of a single compound from a natural extract is a challenging task. The initial mixture is complex and the target analyte only present at a low concentration. This 250 mL/min, 50 bar (725 psi) gradient pumping system is able to feed large glass columns best suited to purify high sample volumes.



Sepacore® Flash Systems X10 / X50


The Sepacore® flash chromatography systems X10 and X50 address most requirements for the purification of organic compounds. Whether a crude synthesis mixture or a plant extract has to be purified, the system offers an optimal performance and scale-up capability.


Benefits of the X10/ X50 Systems:

– High performance flash purification up to 50 bar (725 psi) with no column limitations even for small size silica, time saving with optimized detection conditions for simultaneous monitoring & collections of 4 wavelengths in UV-Vis range.

– Flexible & easy modular system expansion: with various control options (PC, touchscreen), fraction collectors and detectors (ELSD).

– Sample injection scalable from a few milligrams up to hundred grams on flash cartridges up to 800 g or glass columns The systems are complete (up to 10 or 50 bar) including binary gradient pump system, fraction collector with racks, Liquid injection with a 6-way valve, UV-Vis detection with 4 simultaneous wavelengths, PC control with multiwavelength peak detection & silica Sepacore Flash cartridges.


Buchi Reveleris Chromatography Systems


Designed for chemists and chromatographers who use automated flash and prep chromatography to purify their synthesized or extracted mixtures.


Reveleris® X2 flash chromatography system


The Reveleris® X2 flash chromatography system is an advanced and powerful system that allows the chemist to see previously invisible components and impurities, helping to provide maximum purity and recovery of target compounds in minimal time.

– High performance system with synchronized detection and fraction collection from up to four detector signals (ELSD/UV/Vis), allowing detection of the widest range of compounds up to 200mL/min and 200 psi (14 bar).

– Easy to use system, with quick modification of parameters on a large 12” touch screen display, editting gradients in real time, using click and drag or table, auto-recognition of cartridges and trays reduces set-up time, and the risk of potential errors.

– Flexible use allows for detection of virtually all sample types from mg to kg quantities, with easy switch between normal phase and reversed-phase applications.

– Patented RevealX™ detection technology combines multiple detector signals to optimize the timing of fraction collection.The integrated detector signals and advanced signal processing recognize peaks and collect previously undetected compounds.


Reveleris® PREP purification system


The REVELERIS® PREP purification system is a powerful, high-performance system that combines flash chromatography and preparative LC capabilities in a single intuitive instrument. The advanced dual-mode system serves the needs of both organic chemists and preparative LC chromatographers, to streamline purification processes.


– Versatile system with choice of flash or preparative HPLC, with choice of flash/preparative HPLC columns up to 200 ml/min, and 3 channel variable UV-Vis and ELS detection.

– Easy to use, with simple software interface on a large 12” touch screen. Single click software switches between flash and preparative HPLC, and easy cartridge and column installation.

– High level of control, with option to manage the entire purification process on your own with one-click control of all options, including detector sensitivity, choice of when to collect fractions speed and/or purity etc.

– Patented RevealX™ detection technology simplifies fraction collection, maximizes recovery of target molecules and reduces post purification work.

Kjeldahl (Nitrogen) Determination Solutions


Buchi provides a complete solution for Nitrogen (Protein) determination according to Kjeldahl, with units designed for the reliable measurements with maximum flexibility.


Basic Distillation Unit K-350/355


– Cost effective distillation unit for Kjeldahl (K-350) & non-Kjeldahl (K-355) applications.

– Visible distillation process allows for method development and trouble shooting.

– Safety sensors for protective door, service door and tube detection.

– K-355 with acid resistant pump for additional steam distillations applications.

– High quality sample tubes with thick glass walls (2.3 mm) for longer life time.

– Optional plastic splash protector for long lifetime.

– Reduction of steam power for gentle distillations in the K-355.

– Ready to use units supplied with complete accessories (tanks, tubes etc).


Semi Automatic Distillation Unit Kjelflex K-360


– Flexible System for Kjeldahl & non-Kjeldahl applications, with external titrator option

– Featuring a high-performance steam generator, safety sensors for safe operation, storage of 50 different methods and 500 results.

– High quality sample tubes, with thick glass walls (2.3 mm) for longer life time.

– With acid resistant pump, allows additional determinations of steam volatile compounds.

– Flexibility of different titrators which can be connected to automate the titration step.

– Electronic steam regulation (30 – 100%).

– Automatic aspiration of the sample residue at the end of the distillation process.

– Ready to use units supplied with complete accessories (tanks, tubes etc).


 Automatic Distillation Unit KjelMaster K-375

– Fully-automatic device available with either potentiometric (pH) or colorimetric sensors.

– Large 8.4“ color touch screen, with convenient and intuitive software.

– Built in computer, storage of more than 100,000 results.

– With automatic distillation mode (IntelliDist) to reduce distillation time, preparation steps such as priming or preheating are no longer required.

– Glass protector allows for convenient process monitoring

– Plastic splash protector offers an increased resistance to NaOH and has longer lifetime.

– High quality sample tubes, with thick glass walls (2.3 mm) for longer lifetime.

– Each distillation unit can be connected to an optional autosampler for complete automation.


 Kjeldahl Sampler System K-375 with K-376 or K-377


– The Kjeldahl Sampler System consists of the KjelMaster K-375 and the KjelSampler K-376 (24 position) or K-377 (48 position).

– Innovative sample-changing technique by inducting steam into the sample tubes positioned in the sampler in order to create overpressure, thus transferring sample to the distillation unit.

– Small footprint, can fit on any lab bench.

– The sample tubes do not get in touch with NaOH which guarantees a longer lifetime.

– Continuously purging by steam ensures clean tubes at end of distillation process.

– The distillation unit K-375 can be used independently of the sampler unit as well.


Kjeldahl Digestion Solutions


Buchi’s range of Kjeldahl Digestors sets new standards in speed of digestion, flexibility and reproducibility, compliant with all official regulations and meeting the highest standards of safety.


K-425/K-436 IR Digestion Units


– Digestion system for six (K-425)/ twelve (K-436) sample tubes with adjustable IR heating.

– Fast heat transfer of infrared heaters with large time savings due to fast heating & cooling.

– Tight suction module to prevent the escape of sulfuric acid vapors during digestion.

– Robust design with stand-alone tube holder made from stainless steel.

– Insulation plate and optimal designed heating chamber guarantees optimal thermal homogeneity of the sample tubes.

– Effective neutralization of fumes when combined with the Scrubber K-415.


KjelDigester K-446 / K-449 (Block Digestion)


– Compact 20 position block digestion instrument, with manual (K-446) or automatic lift (K-449).

– Sealed suction module & magnetic fixation, with drip tray for safe & easy handling.

– High performance 2200W heater, digester temperature can be reached < 25 minutes.

– Sealed suction system protects user and environment from toxic fumes.

– Robust design with stand-alone tube holder made from acid resistant stainless steel.

– Auto Lift of K-449 allows unattended operation & avoids manual handling.

– Reproducible results due to high thermal homogeneity.


Speed Digester K-439


– The SpeedDigester K-439 combines the benefits of IR and block digestion in one unit.

– Automatic & Temperature controlled IR Digestion System with 12 sample positions.

– Only IR digestion unit with precise temperature control.

– Very short heat-up / cool-down periods & excellent heat transfer.

– Tight suction module to prevent the escape of sulphuric acid vapours during digestion.

– Storage of 50 methods under individual name ease routine operation.

– Robust design with tube holder made from acid resistant stainless steel.

– Automatic start and stop of Scrubber unit K-415.


Kjeldahl Scrubber K-415


– Neutralization & exhaust of aggressive fumes during Kjeldahl digestion.

– Saves water as the unit operates without water jet pump.

– Built in membrane pump guarantees high suction performance of 32 L/min.

– Adjustable suction capacity depending upon amount of fumes.

– Four step gas scrubbing system consisting of a precondensing step, a 3 liter neutralization step, an adsorption step and reaction step.

– Choice of scrubber with two steps (DuoScrub), three steps (TripleScrub) & 4 steps (QuadScrub).

Buchi Extraction Solutions


BUCHI offers dedicated extraction solutions for the classical determination of fat, as well as for residue and contaminant analysis in various matrices. We cover the whole range of automated extraction methods, from Soxhlet, to hot extraction and pressurized solvent extraction. Our solutions allow for perfect integration in the workflow, thus minimizing manual steps.


Extraction Unit E-812 / E-816 SOX


Perform fat determination on two or six food and feed samples simultaneously at the push of a button. As the only automated real Soxhlet instrument the E-812 / E-816 SOX is fully in accordance with officially approved methods.





Extraction Unit E-812 / E-816 HE


Perform fat determination on two or six food and feed samples simultaneously at the push of a button. The E-812 / E-816 HE (Hot Extraction) is used for fast routine fat analysis.





Extraction System B-811 / B-811 LSV


The Extraction System B-811 / B-811 LSV enables you to running four different compliant  extraction methods: Soxhlet, Soxhlet Warm, Hot Extraction and Continuous Flow. Ideal for demanding applications in residue and contaminant analysis. The B-811 is the most efficient, versatile and expandable extraction instrument.




Extraction Unit E-816 ECE


Perform economic fat determination in food and feed samples with the E-816 ECE (Economic Continuous Extraction). The automated continuous extraction method ensures simple method selection and easy operation. Highest solvent recovery and reduced solvent consumption guarantee cost savings.



SpeedExtractor E-914/E-916


The SpeedExtractor is your best solution for fast Pressurized Solvent Extraction (PSE). Increase productivity by processing up to 6 samples in parallel. Streamline the workflow of your sample preparation thanks to ease of sample loading and ready-to-use extract collection.



NIRSolutions™ for Lab


NIR analysis offers rapid, affordable and precise results. It enables real-time decision making for enhanced quality and higher productivity. BUCHI’s NIRSolutions™ support you in mastering your daily challenges from incoming goods inspection to finished product release.




Control the quality and nutritional facts of your feed, pet-food, milling and bakery products rapidly. The NIRMaster is the world’s first dedicated FT-NIR standalone spectrometer available in food-grade PMMA or stainless steel. The accuracy and reproducible performance of polarization FT technology plus the hygienic design with certified dust protection meets the easy cleaning processes requested for at-line machinery.


– Rapid & Fast results with minimum sample preparation.

– Precise measurement of several parameters at one time.

– Twin lamp module – no downtime in case of primary lamp failure .

– Broad Spectral range – 800 to 2500nm (12500-4000 cm-1).

– Housing – food grade PMMA or stainless steel with lP54 or lP65.

– High spectral resolution of 8 cm-1 leads to highly accurate readings.

– Easy spin drive with magnetic spinner for high performance.

– Available in food grade PMMA or Stainless Steel housing.

– Certified dust and splash water protection (IP54).

– Safe operation due to embedded industry standard PC.

– Also available as NIRMaster Pro IP65 with a hygienic design that is certified to be resistant to water jet cleaning procedures according to IP65 protection class.


NIRFlex N-500

The N-500 FT-NIR spectrometer provides reliable analysis results for quality control as well as research and development in the pharmaceutical, chemical, food, beverage and feed industry. The NIRFlex N-500 offers a wide range of measuring cells and accessories for highest performance.

NIROnline Process Analyzer


BUCHI NIR-Online® Solutions enable enhanced productivity and higher quality for maximum gross profit margins. We support you in optimizing all stages of production – from incoming goods inspection to releasing finished products.


NIR-Online Process Analyzer


Closely monitoring key parameters such as moisture, fat or protein is crucial to correct deviations occurring in any manufacturing process. BUCHI NIR-Online® analyzers continuously provide accurate measurements within seconds to guarantee maximum production efficiency.





NIR-Online Multipoint System


BUCHI NIR-Online® Solutions enable continuous monitoring of key parameters such as moisture, protein, fat, ash, starch, fiber or residual oil at every process step. Innovative Multipoint heads provide the most cost-effective way to monitor relevant check points in e.g. the oil seed or grain milling industry as well as food and feed production.


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