Chemplex AutoFluxer 32-8000 Fusion Machine
| Brand | Chemplex |
|---|---|
| Origin | USA |
| Model | 32-8000 |
| Configuration | 4-station, 8-position automatic fluxing system |
| Accessories Compatibility | Supports 33-1000 (basic solution module), 33-2000 (3-monitor station solution module), 24-1000 (spare parts kit) |
| Regulatory Design | Designed for GLP-compliant sample preparation workflows |
Overview
The Chemplex AutoFluxer 32-8000 is a fully automated fusion machine engineered for high-precision, reproducible preparation of homogeneous glass beads from inorganic powders—including oxides, silicates, carbonates, and geological matrices—for subsequent X-ray fluorescence (XRF) and inductively coupled plasma (ICP) spectroscopic analysis. Operating on the principle of high-temperature alkaline fusion—typically using lithium tetraborate (Li₂B₄O₇), lithium metaborate (LiBO₂), or mixed fluxes—the system precisely controls heating profiles (up to 1100 °C), crucible rotation, tilt angle, and dwell time to ensure complete dissolution, homogenization, and quenching into uniform, bubble-free discs. Its 4-station architecture enables parallel processing of up to eight samples per run, significantly improving throughput while maintaining strict thermal consistency across all positions. The unit integrates programmable ramp/soak sequences, inert gas purging capability (optional), and real-time temperature monitoring via calibrated Type S thermocouples—ensuring traceable, audit-ready thermal history for each fusion cycle.
Key Features
- Automated 4-station, 8-position carousel with independent crucible handling and synchronized tilt/rotation control
- Programmable multi-step temperature profile (up to 1100 °C) with ±1 °C thermal stability and <0.5 °C inter-station uniformity
- Dedicated flux dispensing module interface compatible with Chemplex 33-1000 (base) and 33-2000 (3-monitor station) solution modules
- Integrated safety interlocks: overtemperature cutoff, door-open detection, gas flow monitoring (when equipped with purge option), and emergency stop circuitry
- Robust ceramic furnace chamber with low thermal mass design for rapid cooldown and reduced energy consumption
- Modular construction supporting field-upgradable components including crucible carriers, flux nozzles, and cooling trays
Sample Compatibility & Compliance
The AutoFluxer 32-8000 accommodates standard platinum–gold (Pt–Au) or Pt–Rh crucibles (e.g., 30 mL or 40 mL capacity) and accepts sample masses ranging from 0.1 g to 1.0 g, depending on matrix composition and desired dilution ratio. It supports common fusion protocols aligned with ASTM E1379 (Standard Practice for Fusion of Siliceous Materials for Spectrochemical Analysis), ISO 9556 (Iron and steel — Determination of total carbon content — Combustion-infrared method), and USP (Loss on Drying) preparatory steps. All operational parameters—including setpoints, actual temperatures, start/stop timestamps, and user ID—are logged automatically to internal memory, supporting 21 CFR Part 11 compliance when paired with validated Chemplex FusionControl™ software (v3.2+). The system meets CE marking requirements for electromagnetic compatibility (EN 61326-1) and electrical safety (EN 61010-1).
Software & Data Management
FusionControl™ software provides intuitive workflow-driven operation via touchscreen or remote PC interface. Users define method templates—including flux type, flux-to-sample ratio, heating rate, hold durations, tilt sequence, and cooling protocol—which are digitally signed and version-controlled. Audit trails record every parameter change, operator login/logout events, and instrument status transitions. Raw thermal data (time vs. temperature) is exportable in CSV or XML format for integration into LIMS environments (e.g., LabWare, Thermo Fisher SampleManager). Optional electronic signature modules support role-based access control (RBAC) and enforce multi-user approval workflows for critical method modifications—fully satisfying GLP and GMP documentation requirements.
Applications
- Preparation of fused beads for quantitative major/minor element analysis by wavelength-dispersive (WD-XRF) and energy-dispersive (ED-XRF) spectrometry
- Routine quality control of cement, slag, ores, ceramics, and refractory materials in metallurgical and construction industries
- Geochemical mapping and exploration geochemistry requiring high-precision stoichiometric reproducibility
- Regulatory environmental testing (e.g., EPA Method 6010D, ISO 12846) for heavy metal determination in soils and sediments
- Research-grade sample digestion where open-vessel acid methods yield incomplete dissolution (e.g., zircon, chromite, rutile)
FAQ
What crucible types are supported by the AutoFluxer 32-8000?
Standard Pt–Au (95/5) and Pt–Rh (90/10) crucibles in 30 mL and 40 mL capacities; custom carriers available upon request.
Is inert gas purging required for all fusion protocols?
Not mandatory—but recommended for reducing oxidation of Fe²⁺/Mn²⁺ and minimizing volatile loss in sulfide- or carbonate-rich matrices; optional N₂ or Ar purge kit available (P/N 35-5000).
Can the 32-8000 be integrated into an automated laboratory workflow?
Yes—equipped with RS-232, Ethernet, and dry-contact I/O ports for synchronization with robotic sample handlers and central LIMS systems.
What maintenance intervals are recommended for routine operation?
Crucible carrier alignment verification every 200 cycles; thermocouple calibration annually or per ISO/IEC 17025 internal procedure; furnace insulation inspection biannually.
Does Chemplex provide method validation support for regulated environments?
Yes—application scientists offer IQ/OQ/PQ protocol development, on-site installation qualification, and 21 CFR Part 11 readiness assessments as part of extended service contracts.
