Source identification of nickel in TSP and PM2.5 in Tokyo, Japan

Tomoaki Okuda; Shunsuke Nakao; Masayuki Katsuno; Shigeru Tanaka

doi:10.1016/j.atmosenv.2007.08.050

Source identification of nickel in TSP and PM_2.5 in Tokyo, Japan

Tomoaki Okuda, Shunsuke Nakao, Masayuki Katsuno, Shigeru Tanaka

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

This study investigates the source identification of nickel in the aerosol of the Tokyo metropolitan area. TSP and PM_2.5 samples were collected daily from August to November 2004. The samples were examined by means of the water-extraction method, followed by elemental analysis and SEM/EDX analysis. We distinguished two types of atmospheric nickel sources in the studied area: (1) particles derived from heavy oil combustion, distributed mostly in fine particles such as PM_2.5, relatively water-soluble, and containing vanadium and (2) particles derived from mechanical abrasion/erosion of metallic surfaces, distributed in coarse particles such as TSP, relatively water-insoluble, and containing chromium.

Original language	English
Pages (from-to)	7642-7648
Number of pages	7
Journal	Atmospheric Environment
Volume	41
Issue number	35
DOIs	https://doi.org/10.1016/j.atmosenv.2007.08.050
Publication status	Published - 2007 Nov

Keywords

Aerosol
Chromium
Heavy metals
LA/ICP-MS
Nickel
PM
SEM/EDX
TSP
Trace elements
Vanadium
Water-soluble metals

ASJC Scopus subject areas

Environmental Science(all)
Atmospheric Science

Access to Document

10.1016/j.atmosenv.2007.08.050

Cite this

@article{837b4a2fca4945e48c183923a78edc93,

title = "Source identification of nickel in TSP and PM2.5 in Tokyo, Japan",

abstract = "This study investigates the source identification of nickel in the aerosol of the Tokyo metropolitan area. TSP and PM2.5 samples were collected daily from August to November 2004. The samples were examined by means of the water-extraction method, followed by elemental analysis and SEM/EDX analysis. We distinguished two types of atmospheric nickel sources in the studied area: (1) particles derived from heavy oil combustion, distributed mostly in fine particles such as PM2.5, relatively water-soluble, and containing vanadium and (2) particles derived from mechanical abrasion/erosion of metallic surfaces, distributed in coarse particles such as TSP, relatively water-insoluble, and containing chromium.",

keywords = "Aerosol, Chromium, Heavy metals, LA/ICP-MS, Nickel, PM, SEM/EDX, TSP, Trace elements, Vanadium, Water-soluble metals",

author = "Tomoaki Okuda and Shunsuke Nakao and Masayuki Katsuno and Shigeru Tanaka",

note = "Funding Information: This study was supported by funds of the grant-in-aid for Scientific Research [13480160, 14048220, 16030209, 16404002, 16710008, and 18710014] from Ministry of Education, Culture, Sports, Science and Technology, Japan, Steel Industry Foundation for the Advancement of Environmental Protection Technology, the Iwatani Naoji Foundation's Research Grant, Heiwa Nakajima Foundation and Keio Gijuku Academic Development Funds.",

year = "2007",

month = nov,

doi = "10.1016/j.atmosenv.2007.08.050",

language = "English",

volume = "41",

pages = "7642--7648",

journal = "Atmospheric Environment",

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AU - Okuda, Tomoaki

AU - Nakao, Shunsuke

AU - Katsuno, Masayuki

AU - Tanaka, Shigeru

N1 - Funding Information: This study was supported by funds of the grant-in-aid for Scientific Research [13480160, 14048220, 16030209, 16404002, 16710008, and 18710014] from Ministry of Education, Culture, Sports, Science and Technology, Japan, Steel Industry Foundation for the Advancement of Environmental Protection Technology, the Iwatani Naoji Foundation's Research Grant, Heiwa Nakajima Foundation and Keio Gijuku Academic Development Funds.

PY - 2007/11

Y1 - 2007/11

N2 - This study investigates the source identification of nickel in the aerosol of the Tokyo metropolitan area. TSP and PM2.5 samples were collected daily from August to November 2004. The samples were examined by means of the water-extraction method, followed by elemental analysis and SEM/EDX analysis. We distinguished two types of atmospheric nickel sources in the studied area: (1) particles derived from heavy oil combustion, distributed mostly in fine particles such as PM2.5, relatively water-soluble, and containing vanadium and (2) particles derived from mechanical abrasion/erosion of metallic surfaces, distributed in coarse particles such as TSP, relatively water-insoluble, and containing chromium.

AB - This study investigates the source identification of nickel in the aerosol of the Tokyo metropolitan area. TSP and PM2.5 samples were collected daily from August to November 2004. The samples were examined by means of the water-extraction method, followed by elemental analysis and SEM/EDX analysis. We distinguished two types of atmospheric nickel sources in the studied area: (1) particles derived from heavy oil combustion, distributed mostly in fine particles such as PM2.5, relatively water-soluble, and containing vanadium and (2) particles derived from mechanical abrasion/erosion of metallic surfaces, distributed in coarse particles such as TSP, relatively water-insoluble, and containing chromium.

KW - Aerosol

KW - Chromium

KW - Heavy metals

KW - LA/ICP-MS

KW - Nickel

KW - PM

KW - SEM/EDX

KW - TSP

KW - Trace elements

KW - Vanadium

KW - Water-soluble metals

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