Quantifying elemental and organic carbon in diesel particulate matter by mid-infrared spectrometry

Autor: Peter R. Griffiths, Arthur L. Miller, David A. Parks, Andrew T. Weakley

Publikováno v: Aerosol science and technology : the journal of the American Association for Aerosol Research

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 mi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eee66bf540870607efc2ffcf5670a8ec
https://doi.org/10.1080/02786826.2021.1917764

On the Widths of Bands in the Infrared Spectra of Oxyanions

Autor: Peter R. Griffiths, Andrew T. Weakley, Brandy Eastman Fries

Publikováno v: Applied Spectroscopy. 72:863-869

It is well known that the antisymmetric stretching (ν3) band in the mid-infrared spectra of oxyanion salts is usually very broad, whereas all the other fundamental bands are narrow. In this paper, we propose that the underlying cause of the increase

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1882e745fa7dbc4ec3cc5d990c0e1b0a
https://doi.org/10.1177/0003702818764446

Interpretation of artifacts in Fourier transform infrared spectra of atmospheric pressure dielectric barrier discharges: relationship with the plasma frequency between 300 Hz and 15 kHz

Autor: Peter R. Griffiths, Gaétan Laroche, Pierre Audet, Natalia Milaniak, Françoise Massines

Publikováno v: Journal of Physics D: Applied Physics
Journal of Physics D: Applied Physics, IOP Publishing, 2019, 53 (1), pp.015201. ⟨10.1088/1361-6463/ab4777⟩
Journal of Physics D: Applied Physics, IOP Publishing, 2020, 53 (1), pp.015201. ⟨10.1088/1361-6463/ab4777⟩

International audience; This article describes the occurrence of a phenomenon that is observed while recording mid-infrared (4000–700 cm−1) absorption spectra of dielectric barrier discharges sustained at frequencies ranging from 300 Hz to 15 kHz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7abe9f1528aa9d0b5cc5f07b972f1f7
https://hal.archives-ouvertes.fr/hal-02338203/file/Milaniak_2020_J._Phys._D.pdf

Evaluation of Diffuse Reflection Infrared Spectrometry for End-of-Shift Measurement of α-quartz in Coal Dust Samples

Autor: Zachary P. Briggs, Arthur L. Miller, Emanuele Cauda, Nathaniel C. Murphy, Sean J. Bayman, Courtney A. Quinn, Peter R. Griffiths, Mackenzie R. Wadas, Andrew D. Kilpatrick

Publikováno v: Journal of Occupational and Environmental Hygiene. 12:421-430

The inhalation of toxic substances is a major threat to the health of miners, and dust containing respirable crystalline silica (α-quartz) is of particular concern, due to the recent rise in cases of coal workers' pneumoconiosis and silicosis in som

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd31f717afaa381fc70aecfc4c8e2945
https://doi.org/10.1080/15459624.2015.1011328

Quantifying silica in filter-deposited mine dusts using infrared spectra and partial least squares regression

Autor: Arthur L. Miller, Peter R. Griffiths, Andrew T. Weakley, Sean J. Bayman

Publikováno v: Analytical and Bioanalytical Chemistry. 406:4715-4724

The feasibility of measuring airborne crystalline silica (α-quartz) in noncoal mine dusts using a direct-on-filter method of analysis is demonstrated. Respirable α-quartz was quantified by applying a partial least squares (PLS) regression to the in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91635ee03ba8fa2ad271aae86920d3d5
https://doi.org/10.1007/s00216-014-7856-y