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Aerodyne - Model TOF-CIMS - VOC ...

Aerodyne - Model TOF-CIMS -VOC Analyzer

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Applications: Atmospheric Environment Monitoring, Secondary Organic Aerosols.

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atmospheric environment monitoring

thermal desorption

aerosol collection

spectral analysis

environment monitor

field monitoring

particle sampling

environmental monitoring

Parameters: Secondary Organic Aerosols, Gas
Mass range: 0 – 1000 Th
Sensitivity: Acetic acid (gas): 80 cps/ppmv
Citric acid (gas): 120 cps/ppmv
Detection limit: Gas: < 10 ppt for organic acids, Aerosol: ~ 1 ng-m-3
Linearity Range: over 3 orders of magnitude in concentration
Inlet system heating (300?)
Sample Flow Rate: IMR : 2 lpm

FIGAERO: 2 lpm gas, 5 - 15 lpm aerosol
Atm Pressure Drift Tube: 10 lpm
EESI: 1 lpm

FIGAERO inlet enables Semi-continuous detection of particle and gas compounds.
High Sensitivity Analysis with 2 quadrupoles (SSQ, BSQ)
Can measure the chemical composition of Aerosol (< 1 Hz)
Compatible with Po-210 or X-ray ionizer
Acetic anhydride is converted by Po-210 to alpha particles.
Sampling cycles between two modes

Measure gas-phase of aerosol collection
Thermal desorption and mass spectral analysis of collected aerosol

Automated switching between blank sample via thermal desorption ramp
Selective detection based on the employed reagent ion chemistry - Acetate, Iodide, Nitrate, and H3O(H2O)n.
Laboratory, field measurement, transportation convenience.