Xianghu XH-100A Computer-Controlled Microwave Synthesis and Extraction System
| Brand | Xianghu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | XH-100A |
| Price Range | USD 1,400–7,000 (based on FOB Beijing) |
| Microwave Power Output | 100–1000 W (adjustable in 10 W increments) |
| Microwave Frequency | 2450 MHz (ISM band) |
| Temperature Control Range | 0–300 °C |
| Temperature Control Accuracy | ±1 °C |
| Cavity Material | Austenitic Stainless Steel (AISI 304) |
Overview
The Xianghu XH-100A Computer-Controlled Microwave Synthesis and Extraction System is an integrated benchtop platform engineered for precise, reproducible microwave-assisted chemical synthesis and solid-liquid/solid-phase extraction. It operates on the principle of dielectric heating—microwave energy couples directly with polar molecules (e.g., water, alcohols, acids) and ionic species within the reaction matrix, inducing rapid, volumetric, and selective internal heating. Unlike conventional conductive heating, this mechanism enables faster reaction kinetics, improved yield selectivity, reduced thermal degradation, and enhanced mass transfer during extraction processes. Designed for academic research laboratories, pharmaceutical development units, and analytical QC environments, the XH-100A delivers programmable thermal management across a wide operational envelope (0–300 °C), making it suitable for both mild hydrothermal extractions and high-temperature catalytic syntheses under controlled atmospheric conditions.
Key Features
- Programmable temperature control system with real-time PID feedback loop, enabling precise ramping, hold, and cooling profiles across 0–300 °C (±1 °C accuracy)
- Adjustable microwave power output (100–1000 W in 10 W steps) synchronized with temperature trajectory to prevent thermal runaway
- Austenitic stainless steel (AISI 304) cavity construction—resistant to corrosion from acidic, alkaline, and organic reagents; fully grounded and RF-shielded per IEC 61000-4-3 EMC requirements
- Integrated touch-screen HMI with intuitive navigation, supporting up to 10 user-defined method storage slots for rapid protocol recall
- Dual-mode real-time monitoring: numeric display (temperature, power, time) and dynamic graphical plot (temperature vs. time curve with trend annotation)
- Hardware interlocks including door-safety switch, pressure-sensitive cavity seal detection, and overtemperature cutoff (≥310 °C hardware limit)
Sample Compatibility & Compliance
The XH-100A accommodates standard microwave-transparent vessels (e.g., PTFE-TFM, quartz, borosilicate glass) with maximum sample volume up to 100 mL. It supports open-vessel reflux, sealed-vessel digestion, and solvent-free or low-solvent extraction protocols compliant with AOAC 999.08 (microwave-assisted extraction of pesticides), EPA Method 3546 (microwave extraction of semivolatile organics), and ISO 13877:2017 (soil and sediment analysis). While not certified for GLP/GMP production environments out-of-the-box, its data logging architecture—including timestamped parameter records, operator ID tagging, and non-editable audit trails—aligns with foundational FDA 21 CFR Part 11 expectations for research-grade traceability. All electrical safety design conforms to GB 4793.1–2019 (equivalent to IEC 61010-1) for laboratory equipment.
Software & Data Management
The embedded firmware provides local data persistence: all run logs (including setpoints, actual temperature/power curves, timestamps, and alarm events) are saved automatically to internal flash memory and exportable via USB 2.0 as CSV files. No proprietary cloud service or external software installation is required—operation remains fully self-contained. Exported datasets are compatible with common analytical tools (e.g., Excel, OriginLab, MATLAB) for post-run statistical evaluation, kinetic modeling, or comparative method validation. The system supports optional RS-232 or Ethernet (modular add-on) connectivity for integration into centralized lab information management systems (LIMS), provided third-party drivers comply with Modbus RTU/TCP protocol specifications.
Applications
- Accelerated synthesis of metal–organic frameworks (MOFs), nanocatalysts, and heterocyclic compounds under solvent-controlled conditions
- Microwave-assisted extraction (MAE) of bioactive constituents (e.g., polyphenols, flavonoids, alkaloids) from plant matrices, soils, and food samples
- Digestion of biological tissues and environmental solids prior to ICP-MS or AAS elemental analysis
- Development and optimization of green chemistry protocols—reducing solvent volumes, shortening reaction times, and minimizing byproduct formation
- Thermal stability screening of APIs and excipients under controlled microwave irradiation
FAQ
Is the XH-100A suitable for closed-vessel high-pressure reactions?
No—it is configured for ambient-pressure or low-backpressure open/vented operation only. For sealed high-pressure synthesis, consider the XH-8000 series.
Can the instrument be validated for ISO/IEC 17025-compliant testing labs?
Yes—its temperature calibration traceability (via external NIST-traceable thermocouple verification), repeatable power delivery, and raw data export capability support method validation per ISO/IEC 17025:2017 Clause 7.2.
Does the system meet electromagnetic compatibility (EMC) standards for use in shared laboratory spaces?
Yes—the cavity shielding and filtered AC input meet IEC 61000-4-3 (radiated immunity) and IEC 61000-4-6 (conducted immunity) requirements for Class B environments.
What maintenance is required to sustain long-term performance?
Annual verification of cavity integrity (visual inspection for pitting/corrosion), magnetron output calibration using a calibrated calorimetric load, and cleaning of waveguide cover with isopropyl alcohol.
Is remote monitoring or control supported natively?
Not natively—but optional RS-232/Ethernet modules enable serial command interface (SCPI-like syntax) for custom script-based automation via LabVIEW or Python.
