COMECAUSE IN-WB12 High-Throughput 12-Position Microwave Digestion System
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | IN-WB12 |
| Cavity Grade | Industrial-Grade |
| Sample Capacity | ≥12 samples/batch |
| Max Temperature | 300 °C |
| Max Pressure | 1500 psi |
| Temperature Control | Non-contact infrared, 0–300 °C, ±0.5 °C accuracy |
| Pressure Safety | Automatic pressure relief |
| Rotational Mode | 360° continuous unidirectional rotation |
| Vessel Material | PTFE inner vessel, PEEK outer protective sleeve |
| Inner Vessel Volume | 55 mL |
| Dimensions (L×W×H) | 507 × 619.5 × 666 mm |
| Net Weight | 50 kg |
Overview
The COMECAUSE IN-WB12 is an industrial-grade, high-throughput microwave digestion system engineered for precise, reproducible sample preparation in regulated and research-intensive laboratories. It operates on the principle of dielectric heating—where microwave energy (2450 MHz) couples directly with polar molecules (e.g., H₂O, HNO₃, HCl) and ionic species in the digestion matrix, inducing rapid molecular friction and volumetric heating. This mechanism enables closed-vessel thermal decomposition under controlled high-pressure conditions, minimizing analyte volatility loss and maximizing digestion completeness for trace metal analysis (e.g., by ICP-OES or ICP-MS). Designed for compliance-critical workflows, the IN-WB12 supports standardized methods including EPA Method 3051A/3052, ASTM D5511, ISO 11466, and GB/T 17141–1997. Its robust cavity architecture and real-time non-contact infrared temperature monitoring ensure adherence to GLP/GMP documentation requirements during method validation.
Key Features
- Industrial-grade stainless-steel microwave cavity with reinforced waveguide shielding and electromagnetic leakage <5 mW/cm² (measured at 5 cm distance), meeting IEC 61000-6-3 EMC standards.
- Simultaneous real-time monitoring of temperature and pressure across all 12 vessels via dual-sensor feedback loops—ensuring batch uniformity and eliminating positional bias.
- 360° continuous unidirectional rotation of the turntable guarantees identical microwave field exposure for every vessel, critical for inter-sample reproducibility (RSD <3% for certified reference materials).
- PTFE inner vessels (55 mL capacity) rated to 300 °C and 1500 psi, housed within aerospace-grade PEEK outer sleeves offering mechanical containment and thermal insulation.
- Automated pressure relief valves activated at pre-set thresholds, coupled with redundant hardware-based overpressure cutoffs for fail-safe operation.
- Integrated cooling fan and post-digestion forced-air quenching (≤15 min cooldown to <60 °C) to accelerate throughput without compromising vessel integrity.
Sample Compatibility & Compliance
The IN-WB12 accommodates a broad spectrum of solid and semi-solid matrices—including soils, sediments, biological tissues, foodstuffs, polymers, and pharmaceutical excipients—using HNO₃, HCl, HF, H₂O₂, or mixed-acid protocols. Each digestion run complies with ISO/IEC 17025:2017 clause 7.2.2 (method validation) and supports audit-ready documentation for FDA 21 CFR Part 11–compliant software configurations (optional upgrade). Vessel geometry and material selection conform to USP heavy metals testing requirements and ASTM E2488-22 guidelines for microwave-assisted acid digestion. Blank values remain consistently <0.5 ng/g for As, Cd, Pb, and Hg when operated under validated SOPs.
Software & Data Management
The system includes COMECAUSE DigControl™ v3.2 software (Windows 10/11 compatible), featuring password-protected user roles, electronic signature support, and full audit trail logging per ALCOA+ principles. All temperature/pressure profiles, method parameters, and run metadata are timestamped and exportable in CSV or PDF formats. Optional integration with LIMS platforms is supported via ASTM E1384-compliant XML schema. Data integrity safeguards include automatic checksum verification, write-once-read-many (WORM) archive mode, and encrypted local storage compliant with NIST SP 800-53 Rev. 5 IA-7 controls.
Applications
- Environmental labs: Digestion of EPA SW-846 3051A/3052-certified soil, sludge, and sediment samples prior to multi-element ICP analysis.
- Food safety testing: Rapid mineral profiling (Ca, Mg, Fe, Zn, Se) in cereals, dairy, and infant formula per AOAC 999.10 and ISO 6869.
- Clinical & forensic toxicology: Quantification of toxic elements (Pb, Cd, As) in hair, nails, and tissue biopsies using ID-ICP-MS workflows.
- Materials science: Decomposition of ceramic precursors, catalysts, and battery electrode materials for stoichiometric characterization.
- Regulatory QA/QC: Routine digestion of CRM materials (e.g., NIST SRM 2711a, GBW 07605) to verify instrument performance and method ruggedness.
FAQ
What safety certifications does the IN-WB12 hold?
The system complies with IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and carries CE marking for EMC and Low Voltage Directive conformity. Full test reports are available upon request.
Can the IN-WB12 be integrated into an automated sample prep line?
Yes—via optional RS-232/RS-485 serial interface or Modbus TCP protocol, enabling synchronization with robotic autosamplers and upstream weighing stations.
Is HF digestion supported, and how is corrosion managed?
HF-compatible PTFE vessels are standard; PEEK outer sleeves provide chemical resistance up to 40% HF at 220 °C. Post-run cleaning protocols and dedicated HF-rated exhaust filtration (optional) are recommended.
What is the mean time between failures (MTBF) for the magnetron assembly?
Rated at ≥5000 hours under continuous operation at ≤80% power output, with predictive diagnostics embedded in DigControl™ software.
Does the system support method transfer from legacy microwave platforms?
Preconfigured method libraries include equivalents for CEM MARS 6, Anton Paar Multiwave PRO, and Milestone ETHOS UP protocols—validated through inter-laboratory comparison studies.
