Sanotac Purifier 200 Medium-Pressure Preparative Liquid Chromatography System

Overview

The Sanotac Purifier 200 is a laboratory-grade medium-pressure preparative liquid chromatography (PLC) system engineered for high-fidelity isolation and purification of organic synthetic compounds, pharmaceutical intermediates, natural products, antibiotics, and biologically active molecules. It operates on the fundamental principle of differential partitioning between a stationary phase (e.g., silica, C18, or specialized functionalized media) and a mobile phase under controlled pressure and flow dynamics. Designed for reproducible fractionation at analytical-to-preparative scale transitions, the system supports both small-molecule drug discovery workflows and botanical chemistry applications—including the isolation of complex herbal constituents from traditional Chinese medicine extracts. Its pressure rating of up to 5 MPa (725 psi) positions it between analytical HPLC and high-pressure preparative systems, offering an optimal balance of resolution, throughput, solvent economy, and operational safety in academic, contract research, and early-stage process development laboratories.

Key Features

• Microprocessor-controlled dual-piston parallel pump architecture with real-time chamber pressure feedback, compensating for solvent compressibility and refill dynamics across the full flow range (0.01–200.00 mL/min).
• Cam-profile flow pulsation compensation ensures baseline stability, achieving baseline noise as low as ±0.75×10⁻⁵ AU at 254 nm (1 s time constant).
• Multi-point volumetric flow calibration enables traceable accuracy (±0.5%) and repeatability (RSD ≤0.5%) independent of solvent viscosity or backpressure.
• Float-seal plunger design extends seal lifetime under sustained medium-pressure operation and reduces maintenance frequency.
• 10 programmable user methods support gradient elution, flow ramping, and multi-step protocols—enabling automated method transfer from analytical scouting runs.
• Dual-wavelength UV-Vis detection (190–800 nm) with simultaneous channel acquisition, wavelength programming, and stop-flow spectral scanning—optimized for co-eluting impurity profiling and peak purity assessment.
• Modular flow cell options (semi-preparative and preparative pathlengths) allow optimization of sensitivity versus loading capacity without hardware replacement.

Sample Compatibility & Compliance

The Purifier 200 accommodates diverse sample formats including solid-phase loaded crude reaction mixtures, dissolved natural product extracts, and aqueous or organic-soluble biopharmaceutical fractions. Its PEEK- and 316L stainless-steel fluidic pathway construction resists corrosion from common eluents (e.g., acetonitrile, methanol, THF, acidic/basic modifiers). The system meets general requirements for GLP-compliant purification workflows when operated with audit-trail-enabled software configurations. While not inherently 21 CFR Part 11 certified out-of-the-box, the Sanochrom™ workstation supports optional electronic signature modules and configurable audit logs for regulated environments. Method validation parameters—including system suitability testing (SST), retention time reproducibility, and peak area RSD—are fully documentable per ICH Q2(R2) and USP guidelines.

Software & Data Management

Sanochrom™ is a Windows-native chromatography data system (CDS) supporting full instrument control (pump, detector, fraction collector), real-time dual-channel absorbance monitoring, and time- or threshold-triggered collection logic. It features customizable delay volume compensation algorithms to align UV signal peaks with physical fraction elution—critical for minimizing cross-contamination in multi-component separations. Raw data are stored in vendor-neutral .cdf format compliant with ASTM E1947 and EU Annex 11 metadata standards. The interface provides live status visualization: column pressure, current gradient profile, active collection tube position, and connected peripheral status. Export options include CSV, PDF reports, and integration-ready ASCII outputs for LIMS or ELN ingestion.

Applications

• Purification of synthetic organic molecules post-Suzuki coupling, amidation, or heterocycle formation—enabling rapid access to >95% pure intermediates for SAR studies.
• Isolation of bioactive alkaloids, flavonoids, and terpenoids from plant extracts, with demonstrated utility in TCM standardization and reference material preparation.
• Desalting and buffer exchange of peptide synthesis crude mixtures prior to lyophilization or MS characterization.
• Removal of residual catalysts (e.g., Pd, Ru) and ligands from transition-metal-catalyzed reactions using chelating or ion-exchange columns.
• Scalable method development: analytical gradients can be linearly scaled to preparative conditions using built-in retention modeling tools within Sanochrom™.

FAQ

What is the maximum column internal diameter supported by the Purifier 200?
The system is optimized for columns ranging from 10 mm to 50 mm i.d., with flow and pressure profiles validated for standard 25 mm and 30 mm preparative columns.
Can the UV detector perform spectral deconvolution of overlapping peaks?
No—the detector provides fixed-wavelength or dual-wavelength monitoring; full spectral acquisition requires external diode-array instrumentation.
Is the autosampler compatible with 96-well plate injection?
Not natively—the standard configuration uses manual loop injection (10 mL loop included); 96-well capability requires optional robotic autosampler add-on.
Does the system support pH-sensitive mobile phases?
Yes—PEEK pump head and flow cell options minimize metal leaching, making the system suitable for formic acid, ammonium acetate, or triethylamine-modified gradients.
How is method transfer validated between analytical and preparative runs?
Sanochrom™ includes retention time normalization tools and linear velocity scaling calculators aligned with USP principles for isocratic and gradient transfers.