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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jul 2018, 39 (4)                                     Back


nstantaneous and historical temperature effects on a-pinene

Study on mercury in airborne particulates from different functional areas of Jiaozuo City, China

 

M. Wang1, C. Gui1, H. Li1, H. Wang2 and D. Song1*

1School of Resource and Environment, Henan Polytechnic University, Jiaozuo, Henan Province-454 000, China

2Jincheng Institute of Environmental Protection, Jincheng-048 000, China

*Corresponding Author E-mail: song.dy@yahoo.com

 

 

 

Key words

Airborne particulates

Atmospheric dust

Inhalable particles

Mercury

Pollution sources

 

 

Publication Data

Paper received : 11.05.2017

Revised received : 19.09.2017

Re-revised received : 07.12.2017

Accepted : 13.12.2017?????       

 

Abstract

Aim: A study was conducted with an aim to further understand the air environmental quality of Jiaozuo City, China and characteristics of pollutants by comparing the concentration of mercury in inhalable particles and dust of four functional areas.    

 

Methodology: The sampling filter for inhalable particles was dried at 500?C for 2 hrs before use. The dust samples were dried and grinded, and to all the samples nitric acid and hydrofluoric acid was added for nitrification. The concentration of mercury was determined by Atomic Fluorescence Spectrometer after microwave digestion.        

 

Results: The average concentration of mercury in inhalable particulate matter was 4.44 ng m-3. was higher than the global background values. The concentration of mercury in the dust ranged from 0.45 to 1.51 ?g g-1 and the average value was 0.86 ?g g-1, which was 13.23 times higher than soil natural background value of mercury (0.065 ?g g-1) in China. The analysis results of corresponding relationship indicated that mercury in inhalable particulate matter and dust originate from different sources. ?          

 

Interpretation: The commercial and traffic activities may have a certain influence on the content of mercury in airborne particulates in Jiaozuo City.

 

 

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