CARACTERIZATION OF FINE AND COARSE PARTICULATE MATTER AND COMPOSITION OF THE WATER-SOLUBLE INORGANIC FRACTION IN SAO JOSE DOS CAMPOS (SP)

被引：7
|
作者：
de Souza, Patricia Alexandre [1 ]
de Mello, William Zamboni [1 ]
Mariani, Rauda Lucia [2 ]
Sella, Silvia Maria [3 ]
机构：
[1] Univ Fed Fluminense, Dept Geoquim, Inst Quim, BR-24020141 Niteroi, RJ, Brazil
[2] Inst Nacl Pesquisas Espaciais, Ctr Previsao Tempo & Estudos Climaticos, BR-12227010 Sao Jose Dos Campos, SP, Brazil
[3] Univ Fed Fluminense, Dept Quim Anal, Inst Quim, BR-24020141 Niteroi, RJ, Brazil
来源：
QUIMICA NOVA | 2010年 / 33卷 / 06期
关键词：
airborne particulate matter; dichotomous; ammonium sulfate; RIO-DE-JANEIRO; AEROSOL SOURCE APPORTIONMENT; SOUTHEASTERN BRAZIL; ATMOSPHERIC DEPOSITION; METROPOLITAN REGION; RAINWATER CHEMISTRY; TRACE-METALS; SEA-SALT; PRECIPITATION; EMISSIONS;
D O I：
10.1590/S0100-40422010000600005
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
CARACTERIZATION OF FINE AND COARSE PARTICULATE MATTER AND COMPOSITION OF THE WATER-SOLUBLE INORGANIC FRACTION IN SAO JOSE DOS CAMPOS (SP). Air samples of fine (PM2.5) and coarse (PM2.5-10) particulate matter were collected in Sao Jose dos Campos front February 2004 to February 2005. Average PM10 mass concentrations was 31.2 +/- 14.0 mu g m(-3), half of which belonging to the PM2.5 fraction. Ammonium and SO43- were predominantly found in the fine fraction. Average (NH4)(2)SO4 concentration was estimated to be about 2.9 mu g m(-3). Chloride, Na+ and NO3- were mostly associated with PM2.5-10. Chloride deficits with respect to sea-salt CI/Na ratio were found in both size fractions.
引用
收藏
页码：1247 / 1253
页数：7
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