Rigaku Simultix 14 Wavelength Dispersive X-Ray Fluorescence Spectrometer

Overview

The Rigaku Simultix 14 is a high-performance wavelength dispersive X-ray fluorescence (WDXRF) spectrometer engineered for simultaneous multi-element analysis in industrial and research laboratories. Based on Bragg diffraction principles, the instrument utilizes precisely aligned analyzing crystals to separate characteristic X-ray photons by wavelength, enabling high-resolution elemental identification and quantification. Unlike energy-dispersive systems (EDXRF), WDXRF delivers superior spectral resolution, lower background noise, and higher peak-to-background ratios—critical for trace-level detection and accurate major/minor constituent analysis across complex matrices. Designed for routine quality control, raw material certification, and regulatory compliance testing, the Simultix 14 operates under vacuum or helium purge to optimize light element sensitivity (Be through F), supporting applications governed by ASTM E1361, ISO 21043, and IEC 62321-5 standards.

Key Features

• Simultaneous detection of up to 40 elements—including one heavy-element scanning channel and one light-element scanning channel—enabling full-spectrum acquisition without sequential scanning delays.
• Next-generation optical architecture featuring newly developed synthetic multilayer crystals optimized for Be, B, and C analysis; combined with logarithmic spiral bent crystals for enhanced intensity and resolution in the low-energy region.
• Dual high-efficiency X-ray detectors with advanced pulse processing electronics: counting rate capability twice that of conventional WDXRF systems, minimizing dead-time losses and improving precision in high-concentration regions (e.g., Fe in steel, Ca in cement).
• Patented Automatic Pressure Control (APC) system maintains stable vacuum or He atmosphere during analysis—essential for reproducible light element measurement and long-term detector stability.
• Integrated temperature stabilization module ensures thermal equilibrium across optical paths and detector housings, reducing drift-induced calibration errors over extended operation cycles.
• Compact footprint (1 m²) achieved via optimized mechanical layout and Rigaku’s proprietary high-speed sample transport mechanism, facilitating integration into space-constrained QC labs.
• Touch-activated contact positioning stage eliminates vertical sample height variability, ensuring consistent take-off geometry and measurement repeatability (RSD < 0.1% for certified reference materials).

Sample Compatibility & Compliance

The Simultix 14 accommodates solid discs (up to 50 mm diameter), fused beads, pressed pellets, and thin films. Its robust sample chamber supports automated handling via the standard ASC8 auto-sampler (8-position), with optional ASC20, ASC50, and ASC100 configurations for high-throughput environments. All analytical methods comply with GLP and GMP documentation requirements, including full audit trails, electronic signatures per FDA 21 CFR Part 11, and traceable calibration records. Method validation protocols align with ISO/IEC 17025:2017 for testing laboratories, and routine performance verification follows Rigaku’s certified reference material (CRM) protocol traceable to NIST SRMs.

Software & Data Management

Rigaku’s proprietary WinQX software provides an intuitive Windows-based interface with multi-tasking, multi-window operation. Key modules include quantitative analysis with fundamental parameter (FP) and empirical calibration modes; automatic background subtraction using iterative polynomial fitting; qualitative phase screening via library-matched peak identification; and dynamic curve generation with outlier rejection algorithms. All data files are stored in vendor-neutral XML format, supporting seamless export to LIMS platforms and statistical process control (SPC) tools. Software logs include full instrument parameter history, operator ID, timestamped calibration events, and real-time diagnostic alerts—fully compliant with ALCOA+ data integrity principles.

Applications

The Simultix 14 serves as a primary analytical platform across metallurgy (alloy grade verification, inclusion analysis), construction materials (cement clinker composition, slag reactivity), petrochemicals (catalyst metal loading, sulfur content), environmental monitoring (soil heavy metals, fly ash composition), agribusiness (fertilizer nutrient profiling, feedstock purity), and electronics manufacturing (halogen-free compliance per IEC 61249-2-21). Its ability to quantify Be—rare among commercial WDXRF systems—supports aerospace alloy certification and nuclear-grade beryllium oxide quality assurance.

FAQ

What elements can the Simultix 14 analyze?
It covers atomic numbers 4 (Be) through 92 (U), with optimized sensitivity for light elements including Be, B, C, N, O, and F.
Does it support regulatory reporting for RoHS or ELV directives?
Yes—preconfigured methods meet IEC 62321-5:2018 for Cd, Pb, Hg, Cr(VI), and Br determination in polymers and metals, with documented uncertainty budgets.
How is calibration maintained over time?
The system includes built-in drift correction using internal reference lines, scheduled recalibration prompts, and automated crystal alignment verification routines.
Can it analyze irregular or non-flat samples?
While optimized for flat, homogeneous surfaces, optional sample leveling fixtures and height-compensated Z-axis control enable reliable analysis of slightly curved or granular specimens.
Is remote diagnostics supported?
Yes—via secure TLS-encrypted connection, enabling Rigaku Field Application Engineers to perform real-time health checks, firmware updates, and method troubleshooting without onsite visits.