Xianghu XH-200A+ Multi-Mode Microwave Synthesis and Extraction System
| Brand | Xianghu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Multi-Mode Microwave Synthesizer |
| Temperature Range | Liquids: 0–300 °C |
| Solids | 0–500 °C |
| Pressure Range | Ambient (0 bar gauge) |
| Microwave Power Output | 0–1000 W |
| Magnetron Frequency | 2450 MHz |
| Stirring Modes | Magnetic Stirring & Mechanical Stirring |
| Reaction Vessel Capacity | 10–1000 mL |
Overview
The Xianghu XH-200A+ Multi-Mode Microwave Synthesis and Extraction System is an engineered platform for controlled, energy-efficient solid–liquid and liquid-phase chemical synthesis, digestion, and extraction under atmospheric pressure conditions. Unlike sealed-vessel high-pressure microwave reactors, the XH-200A+ operates in open-vessel or reflux configurations, enabling real-time monitoring, rapid solvent exchange, and compatibility with volatile reagents or thermally sensitive substrates. Its multi-mode cavity design ensures uniform microwave field distribution across a wide range of vessel geometries and volumes (10–1000 mL), supporting scalable method development from screening to preparative-scale reactions. The system integrates precise temperature feedback control via fiber-optic or IR pyrometric sensing—critical for reproducible kinetic studies, catalyst optimization, and green chemistry workflows where thermal homogeneity directly impacts selectivity and yield.
Key Features
- Multi-mode microwave cavity with optimized mode stirrer and waveguide coupling for consistent energy delivery across heterogeneous sample loads
- Dual temperature monitoring: contactless infrared pyrometry for solids (0–500 °C) and immersion-resistant fiber-optic probe for liquids (0–300 °C), both with ±1 °C accuracy and 0.1 °C resolution
- Adjustable microwave power output (0–1000 W) with closed-loop regulation to maintain setpoint stability under dynamic load conditions
- Hybrid agitation architecture: selectable magnetic stirring (up to 1200 rpm) for low-viscosity media or robust mechanical stirring (gear-driven, torque-compensated) for slurries, pastes, or heterogeneous catalytic mixtures
- Modular reaction station accommodating standard round-bottom flasks, reflux condensers, gas inlet/outlet ports, and optional inert atmosphere adapters (N₂/Ar)
- Industrial-grade magnetron (2450 MHz, IEC 61000-3-2 compliant) with active cooling and ≥5000 h rated service life
Sample Compatibility & Compliance
The XH-200A+ supports diverse sample matrices without pressurization constraints—including aqueous, organic, ionic liquid, and biphasic systems—as well as powdered solids, metal-organic frameworks (MOFs), biomass feedstocks, and mineral ores. Its ambient-pressure operation eliminates risks associated with pressure vessel failure and aligns with laboratory safety protocols requiring minimal operator intervention during exothermic events. The system meets electromagnetic compatibility (EMC) standards per IEC 61326-1 for laboratory environments and conforms to electrical safety requirements under IEC 61010-1. While not certified for GMP manufacturing, its operational traceability (via timestamped parameter logging) supports GLP-compliant documentation for academic, governmental, and industrial R&D reporting. It is routinely deployed in laboratories adhering to ASTM E2877 (Standard Guide for Microwave-Assisted Sample Preparation) and ISO 21778 (Microwave-assisted digestion for elemental analysis).
Software & Data Management
The embedded control interface provides real-time graphical display of temperature, power, time, and stirring speed, with automatic data logging at user-defined intervals (1–60 s). All parameters are exportable in CSV format for post-processing in MATLAB, Origin, or LIMS-integrated platforms. Audit trail functionality records operator ID, method name, start/stop timestamps, and any manual overrides—supporting 21 CFR Part 11 readiness when paired with institutional authentication servers. No proprietary cloud dependency: raw logs reside locally on internal flash storage (16 GB) with USB 2.0 export capability. Firmware updates are performed offline via encrypted firmware image files, ensuring data sovereignty and network isolation in regulated environments.
Applications
- Rapid synthesis of coordination polymers and nanomaterials (e.g., ZIF-8, Fe₃O₄ nanoparticles) with improved crystallinity vs. conventional heating
- Accelerated solid-phase extraction (SPE) and leaching of heavy metals from soil/sediment matrices prior to ICP-MS analysis
- Green synthesis of pharmaceutical intermediates using ethanol/water mixtures, minimizing halogenated solvent use
- Enzymatic hydrolysis and transesterification under mild thermal profiles to preserve biocatalyst activity
- Preparation of graphene oxide dispersions and polymer nanocomposites via in-situ interfacial modification
- Method development for ISO 11097 (microwave-assisted extraction of polycyclic aromatic hydrocarbons from soils)
FAQ
Can the XH-200A+ be used for closed-vessel high-pressure reactions?
No. This system is designed exclusively for ambient-pressure operation. For sealed-vessel applications requiring pressures >0.5 bar, consult Xianghu’s XH-800 series high-pressure microwave reactors.
Is the temperature sensor calibrated traceable to NIST standards?
Yes. Factory calibration certificates include uncertainty budgets referenced to NIST-traceable blackbody sources (for IR) and ITS-90 platinum resistance standards (for fiber-optic probes).
What maintenance is required for the magnetron and cavity?
Annual inspection of waveguide integrity and magnetron cooling airflow is recommended. No routine replacement parts are required within the first 3 years under typical usage (≤4 h/day).
Does the system support external trigger inputs for synchronization with analytical instruments?
Yes. A TTL-compatible digital I/O port enables hardware-triggered data capture initiation upon GC/HPLC pump start or spectrometer acquisition signal.
