Concentration of nitrite in respirable particulate matter of ambient air in Vadodara, Gujarat, India

被引：0

作者：

Sinha, Sukesh Narayan ^{[1
]}

Desai, N. M. ^{[1
]}

Patel, G. M. ^{[1
]}

Mansuri, M. M. ^{[1
]}

Shivgotra, V. ^{[1
]}

机构：

[1] Natl Inst Occupat Hlth, Ahmadabad 380016, Gujarat, India

来源：

JOURNAL OF ENVIRONMENTAL BIOLOGY | 2010年 / 31卷 / 03期

关键词：

Nitrite; Ion chromatography; Ambient environment; SECONDARY ORGANIC AEROSOL; DAILY MORTALITY; AROMATIC-HYDROCARBONS; DRINKING-WATER; NITRATE; PHOTOOXIDATION; EXPOSURE; SULFATE; AREA; RISK;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Water extract of respirable particulate matter (RPM) was analyzed by ton chromatography technique to investigate the presence of nitrite (NO2) as secondary aerosol in ambient environment. The nitrite particulates undergo photo hydroxyl radical reaction in environment produce nitrous acid, which reacts with metal and absorbs on RPM as water-soluble metal salt. The mean concentration of nitrite was 20.86 mu g m(-3) in ambient environment. Regression analysis showed that the relationship for respirable particulate matter and nitrite (RPM-NO2, R-2=0.742) was positively significant. We are reporting the presence of nitrite as an aerosol in ambient environment.

引用

页码：375 / 378

页数：4

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