Articles | Volume 9, issue 9
https://doi.org/10.5194/amt-9-4547-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-9-4547-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Inter-comparison of NIOSH and IMPROVE protocols for OC and EC determination: implications for inter-protocol data conversion
Division of Environment, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, China
X. H. Hilda Huang
Environmental Central Facility, Hong Kong University of Science and
Technology, Clear Water Bay, Hong Kong, China
Wai Man Ng
Environmental Central Facility, Hong Kong University of Science and
Technology, Clear Water Bay, Hong Kong, China
Stephen M. Griffith
Department of Chemistry, Hong Kong University of Science and Technology,
Hong Kong, China
Division of Environment, Hong Kong University of Science and Technology,
Clear Water Bay, Hong Kong, China
Environmental Central Facility, Hong Kong University of Science and
Technology, Clear Water Bay, Hong Kong, China
Department of Chemistry, Hong Kong University of Science and Technology,
Hong Kong, China
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Latest update: 23 Nov 2024
Short summary
Organic carbon (OC) and elemental carbon (EC) in more than 1300 Hong Kong samples were analyzed using both NIOSH TOT and IMPROVE TOR protocols. EC discrepancy between the two protocols mainly (83 %) arises from a difference in peak inert mode temperature, while the rest (17 %) is attributed to a difference in the optical method (transmittance vs. reflectance) applied for the charring correction. Two approaches are proposed to translate NIOSH TOT OC and EC data into IMPROVE TOR OC and EC data.
Organic carbon (OC) and elemental carbon (EC) in more than 1300 Hong Kong samples were analyzed...