Validity Evaluation of the DiOANAR Filter for Sampling of PCDDs, PCDFs and Conlanar PCBs in Flue Gas
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概要
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Validity and limit for the sampling of PCDDs, PCDFs and coplanar PCBs in the flue gases using the DiOANA® filter were evaluated on basis of the five criteria required for the Japanese Industrial Standard method (JIS K 0311) . The simplified method using the DiOANA<SUP>®</SUP> filter could be completed with accuracy comparable to the JIS K 0311 under the nature of flue gas and the conditions of sampling as follows: Moisture content in flue gas, -41%; averaged observed concentration of CO, -670 vol ppm; gas flow rate and volume, -73l-wet/min and 7.1 m<SUP>3</SUP><SUB>N</SUB>; volume of CO, -1800 ml; temperature in the site of the DiOANA<SUP>®</SUP> filter, 110±10°C.<BR>Further improvements in the extraction and cleanup processes enabled the overall time to be reduced to less than a half of that required by the JIS K 0311. Using this simplified method extremely reduces risk of cross contamination and allows an analyst of unripe technology to easily make the pretreatment of the flue gas samples.
- 日本環境化学会の論文
日本環境化学会 | 論文
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