Urban and suburban aerosol in Yokohama, Japan

A comprehensive chemical characterization

Firoz Khan, Yuichiro Shirasuna, Koichiro Hirano, Shigeki Masunaga

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This article analyses elemental composition of suspended particulate matter (SPM) samples collected monthly from 1999 to 2005 at two locations in Yokohama, Japan. Microwave digestion and inductively coupled plasma mass spectroscopy was employed to measure Mg, Al, Ca, V, Cr, Mn, Ni, Cu, Zn, Ga, As, Se, Rb, Sr, Ag, Cd, Cs, Ba, Pb, and Bi. Water-soluble ions (Na+, NH4 +, K+, Ca2+, Cl-, NO3 -, and SO4 2-) and carbonaceous mass (elemental and organic carbon) were detected using ion chromatograph and CHN analyzer, respectively. The results indicate that the composition of SPM on one of the sites is determined by automobile emissions and on the other by industrial combustions. The impact of the emission regulations for automobiles in large Japanese cities, which were enacted during 2002 and 2003, on the SPM composition of the samples is also studied.

Original languageEnglish
Pages (from-to)441-456
Number of pages16
JournalEnvironmental Monitoring and Assessment
Volume171
Issue number1-4
DOIs
Publication statusPublished - Dec 2010
Externally publishedYes

Fingerprint

suspended particulate matter
Aerosols
aerosol
Automobiles
automobile
Chemical analysis
ion
Ions
Inductively coupled plasma
Organic carbon
digestion
combustion
organic carbon
spectroscopy
Microwaves
Spectroscopy
plasma
chemical
Water
water

Keywords

  • Carbonaceous aerosol
  • Suspended particulate matter
  • Trace metals

ASJC Scopus subject areas

  • Environmental Science(all)
  • Management, Monitoring, Policy and Law
  • Pollution

Cite this

Urban and suburban aerosol in Yokohama, Japan : A comprehensive chemical characterization. / Khan, Firoz; Shirasuna, Yuichiro; Hirano, Koichiro; Masunaga, Shigeki.

In: Environmental Monitoring and Assessment, Vol. 171, No. 1-4, 12.2010, p. 441-456.

Research output: Contribution to journalArticle

Khan, Firoz ; Shirasuna, Yuichiro ; Hirano, Koichiro ; Masunaga, Shigeki. / Urban and suburban aerosol in Yokohama, Japan : A comprehensive chemical characterization. In: Environmental Monitoring and Assessment. 2010 ; Vol. 171, No. 1-4. pp. 441-456.
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