Temporal determination of heavy metals in PM2.5 from Guiyang, Guizhou province, southwestern China

Twelve hours integrated PM2.5 samples collected with a Weekly Air Particulate Sampler (URG Model 2000-01J) from September 2008 to November 2008 in Guiyang, China, were analyzed on the Kevex energy dispersive x-ray spectrometer (XRF) for elements. Monitoring results found elevated concentrations of h...

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Main Authors: Qiu, G, Feng, X, Landis, M S, Liu, N
Format: Conference Proceeding
Language:English
Subjects:
Anthropogenic factors
Anthropogenic sources
Heavy metals
Iron
Lead
Manganese
Metal concentrations
Metals
Particulate matter
PM2.5, Meteorological parameters
Seasonal variations
Temporal variations
Titanium
Variability
X ray spectrometers
Zinc
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Feng, X
Landis, M S
Liu, N
description Twelve hours integrated PM2.5 samples collected with a Weekly Air Particulate Sampler (URG Model 2000-01J) from September 2008 to November 2008 in Guiyang, China, were analyzed on the Kevex energy dispersive x-ray spectrometer (XRF) for elements. Monitoring results found elevated concentrations of heavy metals (Ti, Mn, Fe, Zn, and Pb) in PM2.5 in Guiyang. The average concentrations were 30±22 ng m-3 for Ti, 250±400 ng m-3 for Mn, 340±280 ng m-3 for Fe, 290±330 ng m-3 for Zn, and 130±130 ng m-3 for Pb, respectively. Temporal variation patterns in the resulting data were also obtained. It is hypothesized that local anthropogenic sources and the seasonal variability result in the temporal variability.
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subjects Anthropogenic factors
Anthropogenic sources
Heavy metals
Iron
Lead
Manganese
Metal concentrations
Metals
Particulate matter
PM2.5, Meteorological parameters
Seasonal variations
Temporal variations
Titanium
Variability
X ray spectrometers
Zinc
title Temporal determination of heavy metals in PM2.5 from Guiyang, Guizhou province, southwestern China
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