A revolutionary development, the Vocus High Resolution (HR) mass spectrometer from TOFWERK offers the best mass resolving power of any online chemical ionization time-of-flight mass spectrometer currently on the market.
With a remarkable resolution of 30,000 M/ΔM, the Vocus HR sets new benchmarks for analytical performance while preserving the reliable architecture and field-deployable design that researchers have been accustomed to from the Vocus product family.
The Vocus product line has established itself as the premier solution for real-time VOC and VIC measurement, constantly meeting the increasingly complex analytical challenges posed by researchers in the atmospheric, environmental, and broader scientific domains.
With the inclusion of the Vocus HR, researchers may now detect even the most difficult isobaric interferences in real time, whether working in sophisticated laboratory conditions or remote field locations. This is not merely an upgrade of the Vocus product line, but a game-changing advancement in high-performance real-time chemical ionization mass spectrometry.
Unparalleled Flexibility and Performance
Image Credit: TOFWERK
The Vocus HR transforms analytical capacities with its excellent design and versatility. Researchers can now switch between powerful PTR and Aim Reactors, use ion mobility spectrometry (IMS), include an online particle measurement option, and use numerous well-characterized ion chemistries. This complete approach ensures a flexible instrument that meets the most demanding analytical problems and adapts to changing research requirements.
- Mass Resolving Power: 30,000 M/ΔM
- Flight Path: 5.5 meters
- Reactor Options: Interchangeable PTR and Aim
- Additional Options: IMS, Online Particle Measurements
- Software: Intuitive, customizable interface with local processing
- Technical and application global support
Unprecedented Analytical Insights
The extended 5.5-meter flight path of the Vocus HR facilitates exceptional analytical capabilities, showcasing superior performance in key research areas:
- Distinguishing between difficult isobaric interferences
- In-depth analysis of peroxy radicals and organonitrates
- Precise characterization of sulfur-containing compounds
- Novel insights into atmospheric chemical processes
The figure below demonstrates the superior separation capabilities of the Vocus HR.
Left panel: Mass spectra showing a radical (yellow) and an organonitrate (purple) measured at 25,000 resolution using the Vocus HR. Right panel: Mass spectra showing a sulfur-containing containing compound (purple) separated from nearby peaks with a Vocus HR in an analysis that is challenging with a lower resolution instrument. Image Credit: TOFWERK
The left panel demonstrates the Vocus HR's clear differentiation between peroxy radicals and organic nitrate species. This separation yields crucial understanding of volatile organic compound oxidation processes, which play a significant role in ozone formation, particulate matter development, and their subsequent environmental and health consequences.
The right panel illustrates the Vocus HR's ability to isolate sulfur-containing compounds from closely related stable products, a task that is typically challenging with lower-resolution instruments. This capability unveils important details about atmospheric chemistry and particle formation mechanisms that influence climate dynamics and human health outcomes.
These examples demonstrate how Vocus HR's superior resolution converts previously indistinguishable signals into distinctly separated peaks, empowering researchers to characterize intricate chemical processes with exceptional clarity.
Field-Deployable Excellence
Designed for ultimate reliability and ease of use, the Vocus HR establishes new benchmarks for field deployment. Its key advantages include:
- Reduced power consumption compared to similar instruments
- Minimal susceptibility to temperature fluctuations and independence from humidity levels
- Compatibility with nitrogen generators, eliminating the complexities of gas cylinder management
- Durable, space-saving frame enabling measurements in both laboratory and remote settings
Whether tackling intricate atmospheric research, investigating climate impacts, or exploring the interplay between environment and human health, the Vocus HR equips researchers with an unmatched suite of tools for groundbreaking scientific discoveries.