ISCO CombiFlash Torrent High-Capacity Medium-Pressure Preparative Liquid Chromatography System
| Brand | ISCO |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CombiFlash Torrent |
| Application Level | Industrial-Scale Preparation |
| Instrument Type | Medium-to-Low Pressure Preparative LC |
| Flow Rate Range | 1 L/min |
| Flow Accuracy | <1% |
| Flow RSD | <1% |
| Maximum Operating Pressure | 100 psi |
| Wavelength Range | 190–800 nm (UV-Vis) |
| Wavelength Accuracy | ±1 nm |
| Wavelength Reproducibility | ±1 nm |
| Sample Capacity | Up to 600 g per run |
| Column Compatibility | RediSep® (80 g – 3 kg), glass columns, third-party cartridges |
| Software | PeakTrak™ v5.0 with real-time gradient editing, method scaling, and RFID-enabled column recognition |
| Detection | Dual-wavelength UV/Vis detector with auto-zero baseline correction |
| Fraction Collection | Foxy R2 fraction collector or motorized 6-port switching valve |
| Safety Systems | Integrated pressure transducer, solvent vapor sensor, automatic shutdown on fault |
| Fluidic Architecture | Fully grounded stainless-steel and PEEK tubing, large-bore flow path |
Overview
The ISCO CombiFlash Torrent is a high-throughput, medium-pressure preparative liquid chromatography (PLC) system engineered for scalable purification of organic compounds in industrial R&D and pilot-scale synthesis environments. Built upon the proven Couette-flow pump architecture and optimized fluidic design, the Torrent platform delivers robust, pulse-free solvent delivery at up to 1 L/min—enabling rapid elution of gram-to-kilogram quantities of target molecules without compromising resolution or reproducibility. Its operating pressure ceiling of 100 psi supports a broad range of silica- and polymer-based stationary phases—including ISCO’s proprietary RediSep® prepacked columns (80 g to 3 kg)—while maintaining compatibility with standard glass columns and third-party cartridges. The system integrates a dual-beam UV/Vis detector (190–800 nm) with ±1 nm wavelength accuracy and real-time baseline stabilization, ensuring precise compound identification and triggering of fraction collection under dynamic gradient conditions.
Key Features
- High-flow capability: Sustained 1 L/min flow rate enables purification of up to 600 g of crude material per run—significantly reducing cycle time in process development and manufacturing support.
- Intelligent method translation: PeakTrak™ software automatically scales analytical or small-scale prep methods to larger column dimensions and flow rates, minimizing re-optimization effort.
- RFID-enabled column recognition: RediSep® columns equipped with embedded RFID tags communicate dimensions, packing material, and recommended flow/pressure limits directly to the instrument controller.
- Real-time parameter adjustment: All active parameters—including gradient slope, flow rate, detection wavelength, and collection thresholds—can be modified during runtime via drag-and-drop interface.
- Full-system safety architecture: Dual redundant sensors monitor line pressure and ambient solvent vapor concentration; automatic shutdown occurs within milliseconds upon deviation from preset safety thresholds.
- Grounded fluidic pathway: Entire solvent delivery train—including pump heads, mixing chamber, and detector flow cell—is constructed from electrically grounded PEEK and 316 stainless steel to prevent static buildup and ensure electrochemical stability in sensitive applications.
Sample Compatibility & Compliance
The CombiFlash Torrent accommodates diverse sample matrices including synthetic intermediates, natural product extracts, peptide conjugates, and metal-organic complexes. It supports both normal-phase and reversed-phase separations using volatile and non-volatile mobile phases (e.g., hexane/EtOAc, MeOH/H₂O, ACN/H₂O, and TFA-containing buffers). The system meets core requirements for GLP-compliant laboratories: audit-trail-enabled software logging (PeakTrak™ v5.0), electronic signature support, and full traceability of method versions, instrument states, and fraction metadata. While not FDA 21 CFR Part 11–validated out-of-the-box, the system is architected for validation readiness—supporting IQ/OQ protocols, calibration certificate tracking, and raw data export in vendor-neutral formats (CSV, .pdf, .dx).
Software & Data Management
PeakTrak™ software serves as the unified control and analysis environment, featuring a drag-and-drop gradient editor, automated baseline subtraction, peak integration with customizable threshold logic, and synchronized fraction mapping. All chromatographic data—including detector signals, pressure logs, and collection events—are timestamped and stored in a relational database with configurable backup policies. Method files embed column RFID identifiers and hardware configuration snapshots, enabling full experimental reproducibility across instruments and operators. Export options include ASTM E1342-compliant chromatogram reports, batch summary dashboards, and raw signal traces compatible with third-party cheminformatics platforms (e.g., ChemAxon, ACD/Labs).
Applications
The CombiFlash Torrent is routinely deployed in pharmaceutical process R&D for impurity isolation, chiral separation scale-up, and API intermediate purification. In agrochemical research, it facilitates rapid deconvolution of complex reaction mixtures from combinatorial syntheses. Natural product labs leverage its high-loading capacity for fractionation of plant extracts prior to NMR or HRMS characterization. Additional use cases include catalyst recovery in asymmetric synthesis, purification of oligonucleotides and ADC linker-payloads, and quality control of fragrance components where batch-to-batch consistency is governed by ISO 9235 and IFRA standards.
FAQ
What column formats are supported beyond RediSep®?
The system accepts standard 10–100 mm ID glass columns, stainless-steel cartridges, and any third-party medium-pressure column with 1/4″ or 3/8″ fittings—no adapter kits required.
Can the UV/Vis detector operate in single-wavelength, dual-wavelength, or full-spectrum mode simultaneously?
Yes—PeakTrak™ allows concurrent monitoring at two user-defined wavelengths plus optional full-spectrum scanning at 1 nm resolution, with independent trigger logic for each channel.
Is method transfer from HPLC to Torrent validated?
While direct retention time transfer is not guaranteed due to differences in dispersion volume and dwell time, PeakTrak™ includes a retention prediction module that adjusts gradient profiles based on column geometry, flow rate, and mobile phase viscosity.
How does the solvent level sensing system interface with inventory management?
The smart solvent reservoirs report real-time volume via capacitive sensing; data can be exported to LIMS or ERP systems via OPC UA or REST API endpoints.
What maintenance intervals are recommended for the pump and detector?
Pump seals require replacement every 1,500 hours of operation; detector lamp lifetime is rated at 2,000 hours; full preventive maintenance (including flow path inspection and calibration verification) is advised quarterly per ISO/IEC 17025 guidelines.
