SCIEX X500R QTOF High-Resolution Mass Spectrometry System
| Brand | SCIEX |
|---|---|
| Origin | USA |
| Model | X500R QTOF |
| Instrument Type | Quadrupole-Time-of-Flight (QTOF) |
| Configuration | LC-MS/MS Platform |
| Ion Source | Turbo V™ Ion Source (N-type ion path architecture) |
| Mass Accuracy | < 2 ppm (internal calibration), < 3 ppm (external calibration, over 24 h) |
| Resolution | ≥ 35,000 FWHM (at m/z 622) |
| Mass Range | m/z 5–2,000 |
| Dynamic Range | > 5 orders of magnitude (linear) |
| Acquisition Modes | IDA, MRMHR, SWATH® Acquisition, MSᴱ, Full Scan + MS/MS |
| Software | SCIEX OS v2.4 or later |
| Compliance | Designed for GLP/GMP environments |
Overview
The SCIEX X500R QTOF High-Resolution Mass Spectrometry System is a purpose-built quadrupole-time-of-flight (QTOF) platform engineered for routine laboratories in food safety, environmental monitoring, and forensic toxicology. Unlike research-grade QTOF systems optimized for discovery workflows, the X500R integrates robust hardware architecture with application-focused software to deliver reproducible high-resolution mass accuracy, quantitative reliability, and operational simplicity—all within a compact benchtop footprint. Its core measurement principle relies on orthogonal acceleration time-of-flight mass analysis coupled with a quadrupole mass filter for precursor ion selection. The proprietary N-type ion path—featuring heated vacuum regions across the entire TOF flight tube—minimizes thermal drift and ensures long-term molecular weight stability (< 3 ppm mass error over 24-hour unattended operation). This design directly addresses the critical needs of regulated labs: consistent calibration retention, minimal intervention between runs, and compatibility with high-throughput screening protocols requiring both targeted quantitation and untargeted identification.
Key Features
- Engineered N-type ion optics with fully heated TOF analyzer for enhanced mass stability and reduced calibration frequency
- Turbo V™ ion source optimized for complex matrices—delivering robust signal response across diverse small-molecule analytes (e.g., pesticides, mycotoxins, drugs of abuse, PFAS)
- Benchtop form factor with integrated vacuum system and simplified service access—reducing footprint by >30% versus legacy QTOF platforms
- SCIEX OS software platform unifying data acquisition, processing, reporting, and instrument control in a single interface
- Support for multiple acquisition paradigms: Information-Dependent Acquisition (IDA), High-Resolution Multiple Reaction Monitoring (MRMHR), and SWATH® Acquisition for retrospective data mining
- Automated internal mass calibration with real-time correction algorithms enabling >24 h continuous operation without manual recalibration
- Diagnostic tools embedded in SCIEX OS—including StatusScope remote monitoring, guided troubleshooting wizards, and predictive maintenance alerts—to maximize instrument uptime
Sample Compatibility & Compliance
The X500R demonstrates broad compatibility with liquid chromatography interfaces (UHPLC/HPLC) and routinely analyzes extracts from food commodities (e.g., fruits, grains, dairy), environmental water/soil digests, and biological matrices (urine, blood, hair). It meets method requirements outlined in AOAC Official Methods of Analysis®, EPA Method 1694, EU Commission Decision 2002/657/EC, and ISO/IEC 17025-accredited testing protocols. Hardware and software are designed to support compliance with Good Laboratory Practice (GLP) and current Good Manufacturing Practice (cGMP) frameworks. SCIEX OS includes configurable audit trail logging, role-based user permissions, electronic signature capability, and full 21 CFR Part 11 compliance—enabling validated deployment in regulated quality control environments. Instrument qualification packages (IQ/OQ/PQ) are available and aligned with ASTM E2686-19 and USP guidelines.
Software & Data Management
SCIEX OS serves as the unified operating environment for the X500R system. Version 2.4+ provides native support for simultaneous qualitative and quantitative workflows without switching modules or exporting intermediate files. Key capabilities include: automated library searching against public (e.g., HMDB, MassBank) and custom spectral libraries; intelligent peak detection and integration for MRMHR transitions; dynamic background subtraction for low-level residue quantification; and structural elucidation tools leveraging accurate mass, isotopic pattern matching, and in silico fragmentation prediction. All raw data, processed results, metadata, and audit logs are stored in a secure, timestamped SQLite database compliant with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available). Backups, exports, and report generation adhere to ISO/IEC 27001-aligned security policies.
Applications
- Food safety: Screening of >100 pesticide residues at ≤10 ppb in multi-matrix samples; authentication of botanical adulterants via metabolite profiling
- Environmental analysis: Quantitative determination of per- and polyfluoroalkyl substances (PFAS), brominated flame retardants, and pharmaceuticals in wastewater at sub-ng/L levels
- Forensic toxicology: Identification of novel psychoactive substances (NPS) and metabolites in urine using SWATH®-based non-targeted workflows
- Residue monitoring: Detection of veterinary drug residues (e.g., sulfonamides, tetracyclines) in animal tissues at ≤20 µg/kg with confirmatory MS/MS spectra
- Method development: Rapid transfer of triple-quadrupole methods to QTOF using MRMHR mode—retaining sensitivity while adding mass accuracy and selectivity
FAQ
Is the X500R compatible with existing UHPLC systems?
Yes—the X500R features standard LC interface ports (e.g., electrospray, APCI) and supports all major vendor UHPLC platforms via analog/digital trigger synchronization and pressure-compatible flow cell designs.
Does SCIEX OS support retrospective data reprocessing?
Yes—SWATH® Acquisition data files retain full high-resolution MS and MS/MS information, enabling re-extraction of any compound of interest at any time using updated libraries or modified parameters.
What level of technical training is required to operate the X500R?
The intuitive SCIEX OS interface enables first-run operation within one day for users with basic LC-MS familiarity; comprehensive operator certification programs and remote mentoring are provided by SCIEX Global Support.
Can the X500R perform quantitative analysis comparable to a triple quadrupole?
Yes—MRMHR mode delivers precision and linearity equivalent to triple-quadrupole instruments (R² > 0.999 over 4–5 orders of magnitude), while adding exact mass confirmation and interference-free selectivity.
Is IonDrive™ source technology included or optional?
IonDrive™ is an upgrade option—available as a field-installable kit—that enhances ion transmission efficiency and extends dynamic range, particularly for low-abundance analytes in dirty matrices.
