Revvity A307 Sample Oxidation Furnace
| Brand | Revvity |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | A307 |
| Pricing | Available Upon Request |
Overview
The Revvity A307 Sample Oxidation Furnace is a precision-engineered thermal oxidation system designed for quantitative conversion of organic samples into gaseous ³H₂O and ¹⁴CO₂ prior to liquid scintillation counting (LSC). Operating on the principle of controlled high-temperature combustion in a purified oxygen atmosphere, the A307 ensures complete mineralization of complex biological and environmental matrices—including animal tissues, plant matter, soils, and aqueous solutions—without isotopic fractionation or molecular retention. This process eliminates matrix-derived interferences inherent in direct LSC measurement, thereby enabling accurate, high-sensitivity quantification of tritium (³H) and carbon-14 (¹⁴C) at sub-disintegration-per-minute (dpm) levels. The furnace’s architecture adheres to fundamental radiochemical assay requirements defined in ASTM D7280, ISO 9939, and USP for radiolabeled compound analysis.
Key Features
- Programmable multi-stage combustion protocol with precise temperature ramping (up to 950 °C) and dwell control, ensuring stoichiometric oxidation of diverse organic loadings.
- Dual-channel gas handling system with mass-flow-controlled oxygen delivery and catalytic post-combustion scrubbing to remove NOₓ, SOₓ, and halogenated byproducts.
- Integrated quartz combustion boat and high-purity alumina furnace tube, resistant to thermal shock and corrosion from acidic combustion residues.
- Automated sample introduction via programmable carousel (optional), supporting unattended operation for up to 24 samples per run.
- Real-time monitoring of furnace temperature, oxygen flow rate, and pressure differential across the oxidation chamber via embedded digital sensors with NIST-traceable calibration.
- Compliance-ready design featuring audit trail logging, user-access controls, and electronic signature support aligned with FDA 21 CFR Part 11 and GLP/GMP documentation standards.
Sample Compatibility & Compliance
The A307 accommodates solid, semi-solid, and liquid samples within a mass range of 0.1–500 mg (dry weight) or 0.05–10 mL (liquid volume), including homogenized tissues, freeze-dried plant material, soil slurries, urine, plasma, and culture media. Its oxidation efficiency has been validated per ICH M3(R2) and OECD 301 guidelines for radiolabel recovery in non-volatile organic compounds. All wet chemistry components—including CO₂ and HTO traps—are constructed from low-background borosilicate glass and certified low-K ³H/¹⁴C quartz to minimize intrinsic radioactivity. System performance meets ISO/IEC 17025 requirements for testing laboratories, with documented recovery rates ≥97.2% for ¹⁴C-labeled benzoic acid and ≥99.8% for ³H-labeled water spikes across five independent validation batches.
Software & Data Management
The A307 operates under Revvity’s proprietary Oxidation Control Suite v3.2, a Windows-based application providing method setup, real-time parameter visualization, automated data export (CSV, XML), and integrated LSC instrument handshake protocols (e.g., PerkinElmer Tri-Carb®, Beckman Coulter LS6500). Raw sensor data—including thermocouple readings, O₂ flow profiles, and trap elution timing—is timestamped and stored with cryptographic hashing to ensure data integrity. Audit logs record all user actions, method modifications, and calibration events with immutable timestamps. Exported datasets include full metadata headers compliant with MIAME and ISA-TAB specifications for regulatory submission and cross-platform interoperability.
Applications
- Preclinical and clinical ADME studies requiring accurate ³H/¹⁴C mass balance in excreta, tissues, and plasma.
- Environmental fate and transport assessment of radiolabeled agrochemicals and pharmaceuticals in soil-water-plant systems.
- Regulatory bioanalysis supporting FDA IND/NDA submissions and EMA scientific advice procedures.
- Quality control of radiopharmaceutical synthesis batches per USP and Ph. Eur. 2.2.45.
- Fundamental radioecology research involving trophic transfer and biokinetic modeling of radionuclides in terrestrial and aquatic food webs.
FAQ
What sample types are compatible with the A307 oxidation furnace?
Solid biological tissues, dried plant material, soil cores, liquid biological fluids (urine, serum), and aqueous standards—all within specified mass/volume limits.
Does the A307 require external gas purification or scrubbing modules?
No; the integrated catalytic converter and dual-stage desiccant/alkaline traps eliminate need for auxiliary gas cleanup systems.
How is method validation performed for regulatory submissions?
Revvity provides IQ/OQ/PQ documentation templates, along with recovery, precision, and robustness test protocols aligned with ICH Q2(R2) and FDA Bioanalytical Method Validation Guidance.
Can the A307 be interfaced with third-party LSC instruments?
Yes—via standardized ASCII command sets and configurable trigger I/O ports supporting synchronization with major LSC platforms.
Is the A307 suitable for routine high-throughput labs?
With optional autosampler integration and batch scheduling, it supports >40 samples/day under GLP-compliant workflow conditions.
