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Mining Publication: Quantifying Elemental and Organic Carbon in Diesel Particulate Matter by Mid-infrared Spectrometry
Keywords: Diesel particulate matter FTIR Particulate matter measures
Original creation date: September 2021
Authors: D Parks, PR Griffiths, AT Weakley, A Miller
Peer Reviewed Journal Article - September 2021
Go to Web Page
NIOSHTIC2 Number: 20062655
Aerosol Sci Tech 2021 Sep; 55(9):1014-1027
A method for the quantification of airborne organic carbon (OC) and elemental carbon (EC) within aerosolized diesel particulate matter (DPM) is described in this article. DPM is a known carcinogen encountered in many industrial workplaces (notably mining) and in the ambient atmosphere. The method described here collects DPM particles onto a quartz fiber filter, after which reflection-mode infrared spectra are measured on a mid-infrared Fourier transform (FT-IR) spectrometer. Several infrared absorption bands are investigated for their efficacy in quantifying OC and EC. The thermo-optical (T-O) method is used to calibrate a linear regression model to predict OC and EC from the infrared spectra. The calibrated model, generated from laboratory DPM samples, is then utilized to quantify OC and EC in mine samples obtained from two metal mine locations under a variety of operating conditions. The feasibility of further improving these results by partial least squares (PLS) regression was investigated. A single calibration that is broadly applicable would be considered an improvement over currently available portable instruments, which require aerosol-specific calibration.
First page of Quantifying Elemental and Organic Carbon in Diesel Particulate Matter by Mid-infrared SpectrometryPeer Reviewed Journal Article - September 2021
Go to Web Page
NIOSHTIC2 Number: 20062655
Aerosol Sci Tech 2021 Sep; 55(9):1014-1027
See Also
Apparatus for Measuring Diesel Tailpipe Emissions in Underground Mines
Diesel Exhaust Aerosol, Review of Measurement Technology
Differential Pressure as a Measure of Particulate Matter Emissions from Diesel Engines
Instrumentation for Diesel Particulate Matter Emissions Research
Performance Evaluation of Diesel Particulate Filter Technology in the Underground Environment
Real-Time DPM Ambient Monitoring in Underground Mines
Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Sampling Results of the Improved SKC� Diesel Particulate Matter Cassette
Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
Technology News 431 - Apparatus for Sampling and Measuring Diesel Tailpipe Emissions
Page last reviewed: March 2, 2022
Page last updated: March 2, 2022
Content source: National Institute for Occupational Safety and Health, Mining Program
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