# CanadaBuys #AB-2026-06561

University of Alberta seeks Vocus Chemical Ionization Time-of-Flight Mass Spectrometer from Aerodyne Research Inc.

**Posted:** September 28, 2026
**Respond By:** October 06, 2026
**Identifier:** AB-2026-06561
**NAICS:** 334516, 334519, 423490

The University of Alberta is seeking to acquire a Vocus Chemical Ionization Time-of-Flight Mass Spectrometer (Vocus CI-ToF-MS System) for advanced atmospheric research.
- Government buyer:
  - University of Alberta
- OEM highlighted:
  - Aerodyne Research Inc. (sole source)
- Product requested:
  - Vocus CI-ToF-MS System (no part number or quantity specified)
  - Designed for real-time, direct trace gas and aerosol monitoring in ambient air
- Unique requirements:
  - Bipolar ion measurement
  - Concurrent gas and aerosol-phase analysis
  - Field-deployable mobility
  - Rapid ionization mode switching (PTR and CI)
  - High mass resolution (>10,000 Th/Th)
  - Sub-pptv detection capabilities
  - Integrated software support
- Aerodyne Research Inc. is identified as uniquely qualified to meet all scientific and technical criteria; no other vendors or competitors are mentioned.

### Description

The University of Alberta is seeking to acquire a VOCUS-CI-ToF-MS system from Aerodyne Research Inc due to its unique technical capabilities essential for departmental research. This high-performance mass spectrometry system is intended for direct, real-time trace gas and aerosol monitoring in ambient air at sub-parts-per-trillion limits. The system offers bipolar ion measurement, concurrent gas and aerosol-phase analysis, field-deployable mobility, rapid ionization mode switching, high mass resolution, sub-pptv detection capabilities, and integrated software support. Aerodyne is uniquely qualified to meet all core scientific criteria for this procurement.

[View original listing](https://canadabuys.canada.ca/en/tender-opportunities/tender-notice/ab-2026-06561)