Isotope-P8 Automated Radionuclide Solid-Phase Extraction System
| Brand | LabTech |
|---|---|
| Origin | USA |
| Manufacturer | LabTech |
| Product Type | Imported |
| Model | Isotope-P8 |
| Pricing | Available Upon Request |
Overview
The Isotope-P8 Automated Radionuclide Solid-Phase Extraction System is an engineered solution for high-throughput, reproducible isolation of target radionuclides and stable isotopes from complex environmental, geological, biological, and nuclear fuel cycle matrices. Designed specifically for isotope ratio mass spectrometry (IRMS), multi-collector ICP-MS (MC-ICP-MS), and alpha/beta spectrometry sample preparation, the system implements standardized solid-phase extraction (SPE) protocols grounded in selective chelation, ion exchange, and redox-based retention mechanisms. Its core architecture integrates precision fluid handling with programmable column hydration control, ensuring consistent sorbent conditioning and elution efficiency across all eight parallel channels—critical for minimizing isotopic fractionation during separation.
Key Features
- Eight independent, fully programmable SPE channels (1–8 configurable), enabling parallel processing of up to 8 samples per run without cross-channel interference.
- Dual-mode liquid handling: selectable pipette-tip or syringe-based aspiration/dispensing, each optimized for viscosity, volatility, and radiological safety requirements.
- Integrated spray-rinse module that cleans sample vials with defined reagent volumes and directs 100% of rinse solution onto the SPE column—eliminating sample loss and ensuring quantitative transfer.
- Automated 10 µL pipette tip exchange per sample, preventing carryover between runs; tips are discarded into shielded waste containers compliant with ALARA principles.
- Column wetting maintenance system: continuous low-flow solvent delivery preserves sorbent hydration throughout all procedural steps (equilibration, loading, washing, elution), mitigating channeling and breakthrough.
- Chemically inert platform constructed from PTFE, PEEK, and sapphire components—resistant to concentrated HNO₃, HCl, HF, H₂O₂, and mixed acid matrices routinely used in actinide and fission product separations.
- Closed-loop peristaltic waste management: eliminates aerosol generation and reduces operator exposure; waste lines are pressure-monitored and auto-shutoff enabled.
- Modular reagent reservoir temperature control (optional): maintains ±0.5 °C stability for thermally sensitive ligands (e.g., DGA, TEVA, UTEVA resins) and improves retention time reproducibility.
Sample Compatibility & Compliance
The Isotope-P8 accommodates aqueous samples ranging from 0.5 mL to 50 mL—including seawater, urine, soil leachates, spent nuclear fuel dissolutions, and plant digests. It supports standard 3–6 mL SPE cartridges (e.g., Eichrom, Triskem, Rezex) and custom-packed columns (2–10 mm ID). All fluid paths meet ASTM D5673-22 (radionuclide SPE method validation) and ISO/IEC 17025:2017 traceability requirements. The system’s audit trail functionality—including user login, method versioning, parameter logging, and timestamped event records—supports compliance with FDA 21 CFR Part 11 and GLP/GMP documentation standards for regulated nuclear analytical laboratories.
Software & Data Management
Controlled via LabTech’s IsotopeSuite™ software (v4.2+), the system provides intuitive graphical method building with drag-and-drop step sequencing, real-time pressure and flow monitoring per channel, and automated calibration curve integration. All methods are stored as encrypted XML files with digital signatures. Raw log data (flow rates, elapsed times, valve positions, error codes) export in CSV or .xlsx format compatible with LIMS interfaces. Optional integration with Thermo Fisher, Nu Instruments, and Element² ICP-MS platforms enables direct method synchronization and post-run metadata tagging.
Applications
- Precision purification of U, Pu, Sr, Nd, Hf, Pb, and Ca isotopes prior to MC-ICP-MS analysis.
- Separation of ⁹⁰Sr/⁹⁰Y and ¹³⁷Cs from environmental monitoring filters and milk powder matrices.
- Actinide speciation workflows involving sequential elution of Am/Cm, Pu(IV), and Np(V) using redox-controlled gradients.
- High-volume radiological emergency response—processing >100 samples/24 h with <2% RSD in recovery across replicate batches.
- Method development for novel extractants (e.g., TODGA-functionalized silica) under controlled pH and redox conditions.
FAQ
What types of SPE cartridges are compatible with the Isotope-P8?
Standard 1 mL, 3 mL, and 6 mL polypropylene or glass cartridges with frits ≥10 µm pore size; custom-packed columns with stainless-steel or PEEK housings are supported via adapter kits.
Can the system handle hydrofluoric acid (HF)-based eluents?
Yes—when configured with HF-rated fluidic modules (sapphire pump heads, PTFE/PFA tubing, and ceramic valves), the platform safely delivers up to 5% (v/v) HF at flow rates ≤0.8 mL/min.
Is remote monitoring and intervention possible during a run?
Yes—IsotopeSuite™ supports secure HTTPS-based remote access with role-based permissions; users may pause, adjust flow parameters, or trigger manual valve actuation without interrupting other active channels.
How is method validation performed for regulatory submissions?
The system includes built-in spike recovery tests, blank tracking, and column capacity verification routines aligned with EPA Method 900.0 and ISO 11929:2019 uncertainty propagation guidelines.
