BUCHI Instruments in Pakistan
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.
CWTC is BUCHI’s authorized distributor and local partner in Pakistan, supplying and supporting laboratory and process instrumentation for evaporation, Kjeldahl analysis, extraction, NIR spectroscopy, spray drying, preparative chromatography and related applications.
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.
Interface I-300 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-250 Pro Rotavapor® – 50L Evaporating Flask
- Batches up to 30 liters can be quickly and safely distilled in the 50-liter evaporating flask of the R-250 Pro.
- The powerful heating bath allows a distillation rate up to 30 liters of acetone per hour.
- Snap flask coupling to fix the evaporating flask. Ensures the safe and easy mounting of the evaporating flask by a single person.
- Distillation process starts immediately after choosing the solvent from the library. Starts the distillation immediately and adjusts the vacuum dynamically, even if the chiller or bath have not reached their set temperatures.
- BUCHI Monitor APP for iOS, Android and Windows offers push notifications and live view of all process parameters.
R-250 Ex Rotavapor® – 20L or 50L Evaporating Flask
- The Rotavapor R-250 EX is the EX rated version of the Rotavapor R-250.
- It fulfills the high requirements of the ATEX regulations and fits perfect to your Ex-proof production laboratory.
- It is designed for easy and safe operation combined with high performance.
R-220 Pro Rotavapor® – 10L or 20L Evaporating Flask
- For safe & fast distillations, drying or concentrations on the large scale.
- All parameters at a glance on two large displays. Always all information available and easy operation at the same time.
- Snap flask coupling to fix the evaporating flask Ensures the safe and easy mounting of the evaporating flask by a single person.
- Distillation process starts immediately after choosing the solvent from the library. Starts the distillation immediately and adjusts the vacuum dynamically, even if the chiller or bath have not reached their set temperatures.
- BUCHI Monitor APP for iOS, Android and Windows offers push notifications and live view of all process parameters.
R-220 Ex Rotavapor® – 6L, 10L or 20 L Evaporating Flask
- Intuitive operation and handling guarantee safe and efficient industrial distillation.
- The Rotavapor® R-220 EX is the EX rated version of the Rotavapor® R-220 Pro and fulfills the high requirements of the ATEX regulations.
- It is designed for easy and safe operation combined with high performance.
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® Plus Analyst:
- Improve your sample throughput by concentrating up to 12 samples to a residual volume.
- No need of nitrogen saves operational cost.
- Small foot printsaves 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® Plus 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.
Mini Spray Dryer S-300
With the Mini Spray Dryer S-300 you can benefit from the highest possible automation levels to improve your process efficiency and free more time for your formulation.
- The Evaporation capacity is 1.0 L / h H2O, higher for organic solvents.
- The Auto Mode allows you to program your Mini Spray Dryer S-300. Advanced and run your method automatically.
- All parameters in the Mini Spray Dryer S-300, such as spraying gas, drying gas and pump speed, are provided in SI values and are automatically regulated by the system. These features maximize the reproducibility of your process.
Nano Spray Dryer B-90 HP
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.– Small foot printsaves expensive lab space.
- 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.
Encapsulator B-390 & B-395 Pro
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).
- Integrable solid phase extraction (SPE) saves time and reduces contamination risk.
- 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
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.
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:
Heating Block: Optimized design of the heating block allows faster cooling times and therefore higher samples throughput per hour.
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 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.
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:
– 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.
– 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.
– 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.
– 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
– 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.
– 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
– 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.
– 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
– 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.
– 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
– Large 8.4“ color touch screen, with convenient and intuitive software.
– Built in computer, storage of more than 100,000 results.
– 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
– 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.
– 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.
– 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.
– 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)
– Sealed suction module & magnetic fixation, with drip tray for safe & easy handling.
– High performance 2200W heater, digester temperature can be reached < 25 minutes.
– 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
– 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.
– 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
– 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.
– 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.
FatExtractor E-500
The FatExtractor E-500 is designed for quick and compliant fat extraction with interchangeable glass for Soxhlet, Hot Extraction (HE) or Twisselmann (ECE). This is for all six positions running one method type at a time
Universal Extractor E-800
Perform fat determination for individual process control and maximum flexibility. Using the glass assembly with the universal chamber, up to five different extraction methods can be run within the same set-up. As an alternative, the ECE glass assembly is an economic solution. The LSV configuration is designed for large sample volumes, allowing the lowest analyte detection levels.
Speed Extractor E-916/ E-914
The SpeedExtractor E-916 / E-916XL / E-914 is an automated instrument for parallel extraction of primarily organic compounds from a variety of solid or semi-solid matrices. Conventional methodologies (e.g. like Soxhlet extraction) are accelerated by using a solvent at elevated temperatures and pressures. The parallel concept of SpeedExtractor allows for simultaneous extraction of six samples in one run.
HydrolEx H-506
The HydrolEx H-506 ensures convient and safe acid hydrolysis for total fat content determination handling six samples simultaneously. The method complies with the standardized methods (Weibull Stoldt, AOAC)
Mixer B-400
The BUCHI mixer B-400 is designed for efficient homogenization of a wide range of food and feed samples. The achieved homogeneous analytical fineness is key for the quality of the subsequent analytical procedures
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.
NIR ProxiMate™
ProxiMate is a robust, compact and easy to use at-line NIR instrument for the food and feed industry. It reduces downtime in production and provides fast quality control of batch samples. The intuitive user interface allows operation by everybody and a wide selection of precalibration packages make it suitable for all applications. It can measures different parameters i.e. Moisture, protein, fat, Ash, starch, gluten, Peroxide value, Free fatty acids (FFA), fiber, residual fat, dry matter and lactose depending on sample type.
- Made from food grade stainless steel, ProxiMate™ has been designed with smooth surfaces that have no sharp edges or voids.
- Sample type variety can require different analytical approaches for optimum performance or practicality. ProxiMate™ allows you to capitalize on the best approach by allowing measurement from the top (down view) or from the bottom (up view).
- Broad wavelength range – 900 to 1700nm.
- The stainless steel body of the ProxiMate™ can resist all detergents commonly used for sanitation in food production areas, even if they contain acidic, alkaline or chlorine based ingredients.
- Certified dust proof and splash water resistance (IP69).
NIRFlex N-500
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 X-Sential
The X-SentialTM is a compact and cost effective NIR/VIS process analyzer in an IP69/X9K housing which can be implemented into almost any production environment, especially in the Food and Feed industry. With many available accessories it can be integrated into any existing machinery or process lines. Its main benefit is to provide real-time values for the main product quality parameters for an optimal process control.
NIR-Online X-One
The Buchi NIR-Online X-One series process sensors are designed to be used in harshed conditions for most demanding applications in any production areas, including those where explosion hazards NIR/VIS spectrometer system and the integrated optional camera can be easily applied and operated by end users using proprietary SW including (oder: featuring) the unique AutoCal function.
BUCHI Distributor & Support in Pakistan
CWTC supplies and supports BUCHI laboratory and process instrumentation across Pakistan, including rotary evaporation, Kjeldahl nitrogen and protein analysis, extraction, NIR spectroscopy, spray drying, freeze drying and preparative chromatography.
Local support includes product selection, application consultation, installation, operator training, preventive maintenance and technical service.
