Polytech Automated SPE 606S Solid Phase Extraction System
| Brand | Polytech |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | OEM Manufacturer |
| Model | Automated SPE 606S |
| Pricing | Upon Request |
| Sample Volume Range | 0.1 mL to unlimited (with particulate tolerance) |
| Channels | 6 independent parallel channels |
| Cartridge Compatibility | 1 mL, 3 mL, 6 mL, 12 mL SPE cartridges |
| Disk/Cartridge Configurations | Cartridge–cartridge, disk–disk, cartridge–disk serial setups |
| Solvent Channels | Up to 9 reagents |
| Elution Solvent Delivery | Precision syringe pumps |
| Sample Loading Pumps | Peristaltic metering pumps (6-channel simultaneous loading) |
| Concentration Mode | 6-channel independent nitrogen blow-down with liquid-level sensing |
| Control Interface | 5-inch 65K-color capacitive touchscreen |
| Data Storage | SD card-based method storage and transfer |
| Compliance Standards | GB/T 20466–2006, GB/T 5750.8–2006, HJ 478–2009, HJ 648–2013, HJ 753–2015, GB/T 21925–2008, CJ/T 141–2001, CJ/T 146–2001, CJ/T 147–2001 |
Overview
The Polytech Automated SPE 606S Solid Phase Extraction System is an engineered solution for high-throughput, trace-level organic analyte isolation from large-volume aqueous matrices—including drinking water, surface water, groundwater, and wastewater—commonly encountered in environmental monitoring, public health laboratories, and regulatory compliance testing. Built upon positive-pressure solid-phase extraction (SPE) methodology, the system eliminates vacuum manifold variability and ensures consistent flow dynamics across all channels. Its dual-pump architecture separates sample delivery (via robust peristaltic metering pumps) from solvent handling (via precision syringe pumps), enabling reproducible column conditioning, loading, washing, and elution under programmable pressure control. The instrument supports both volumetric loading (user-defined volume) and complete-sample-transfer mode—leveraging integrated air bubble detection to aspirate residual liquid and rinse vessel walls—ensuring quantitative recovery of adsorbed analytes without manual intervention.
Key Features
- Six independent, fully sealed extraction channels with real-time pressure monitoring and adjustable flow control.
- Dual-pump design: High-capacity peristaltic metering pumps for rapid, uninterrupted large-volume sample loading (0.1 mL to unlimited volume); precision syringe pumps for accurate solvent dispensing (±1% volumetric accuracy) with full compatibility with acetonitrile, methanol, dichloromethane, and other aggressive organic solvents.
- Universal consumable support: Accepts standard 1 mL, 3 mL, 6 mL, and 12 mL SPE cartridges as well as 47 mm and 90 mm SPE disks—enabling hybrid configurations including cartridge–disk串联, disk–disk串联, and multi-cartridge串联 for enhanced selectivity or capacity.
- Integrated post-elution processing: Six-channel parallel nitrogen blow-down concentration with optical liquid-level sensors to automatically terminate evaporation at endpoint—minimizing analyte loss and eliminating operator-dependent timing errors.
- Standalone operation: Local control via a 5-inch 65K-color capacitive touchscreen interface; no PC dependency required. Method protocols stored on removable SD cards for secure version control, audit trail portability, and cross-instrument deployment.
- Full enclosure design with sealed fluid pathways reduces solvent vapor exposure, improves lab safety, and prevents cross-contamination between runs.
Sample Compatibility & Compliance
The SPE 606S is validated for use with turbid or particulate-containing water samples (e.g., raw surface water or sediment-laden groundwater) due to its pressure-tolerant peristaltic loading mechanism and inline filtration options. It meets methodological requirements specified in multiple national standards governing environmental and potable water analysis, including GB/T 20466–2006 (microcystin-LR), GB/T 5750.8–2006 (organic contaminants in drinking water), HJ 478–2009 (PAHs), HJ 648–2013 (nitrobenzene compounds), HJ 753–2015 (pyrethroids and carbamates), GB/T 21925–2008 (herbicide residues by LC/MS), and CJ/T series standards for organophosphates, phenols, and PAHs in municipal water supplies. While not inherently 21 CFR Part 11 compliant, the system supports GLP/GMP-aligned workflows through timestamped method logs, SD-card-based audit trails, and user-accessible calibration records.
Software & Data Management
The embedded firmware provides intuitive step-by-step method programming—including customizable activation, loading, drying, washing, and elution sequences—with up to nine independently addressable reagent reservoirs. Each channel operates autonomously, allowing heterogeneous sample processing (e.g., different cartridges, solvents, or volumes per channel). All methods are saved in encrypted binary format on SD cards, preserving parameter integrity and preventing unauthorized modification. No proprietary software installation is required; however, optional CSV export enables integration with LIMS or third-party data analysis platforms. Firmware updates are delivered via SD card, ensuring long-term maintainability without cloud dependency.
Applications
This system is routinely deployed in accredited environmental testing laboratories performing EPA-equivalent analyses for priority pollutants, including polycyclic aromatic hydrocarbons (PAHs), organochlorine and pyrethroid pesticides, nitroaromatic explosives, pharmaceuticals and personal care products (PPCPs), endocrine-disrupting compounds (EDCs), and cyanotoxins such as microcystins. Its ability to process up to six 2-L water samples unattended makes it especially suitable for routine surveillance programs mandated by provincial ecological departments and CDC laboratories. It also serves as a front-end enrichment platform prior to GC-MS, LC-MS/MS, or HPLC-UV analysis—reducing matrix interference and improving signal-to-noise ratios in complex environmental extracts.
FAQ
Does the SPE 606S support method validation per ISO/IEC 17025 requirements?
Yes—its repeatable flow control, channel independence, electronic log retention, and SD-based method archiving support documentation necessary for method verification and uncertainty estimation.
Can I use non-Polytech SPE cartridges or disks?
Yes—the system accepts any standard-format cartridge or disk compatible with industry-standard frit dimensions and housing threading.
Is remote monitoring or network connectivity available?
No native Ethernet or Wi-Fi interface is provided; operation is intentionally standalone to ensure electromagnetic compatibility in analytical labs and simplify regulatory validation.
What maintenance intervals are recommended for pump tubing and nitrogen regulators?
Peristaltic tubing should be replaced every 3 months under continuous use; nitrogen pressure regulators require annual calibration verification using a certified reference gauge.
How does the system handle carryover between samples?
Each channel includes dedicated fluid paths, automated post-run rinsing cycles, and programmable air-drying steps—validated to achieve <0.1% carryover for target analytes across consecutive high-concentration runs.
