Volume 22, Issue 1 (Spring 2018)                   JWSS 2018, 22(1): 327-338 | Back to browse issues page


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Fararooei A, Noshadi M, Amin sichani S. The Effect of Soil Texture and Water Content on the Extraction of PCBs from Soil. JWSS. 2018; 22 (1) :327-338
URL: http://jstnar.iut.ac.ir/article-1-3040-en.html
1. Dept. of Water Eng., Faculty of Agric., Shiraz Univ., Shiraz, Iran.
Abstract:   (2351 Views)
PCBs are persistent organic pollutants which, due to high environmental hazards, must be traced, determined, and decomposed to reduce their risks. . To detect this material in the soil, the method of extraction and appropriate measuring conditions should be investigated. Two soil samples with two kg weight were selected with two different soil textures and the solutions of soil were made with the 1000 µg/ml aroclor 1254 mixture in a GC device. . Agilent GC-MS with stationary phase (CP 7477) was used to measure aroclor 1254. The analysis of variance and the test of the extraction mean of aroclor 1254 were compared in two soil textures. The results suggested that coarse texture soil (sandy loam) had a higher extract than the fine one (silty loam). The difference was statistically significant (P< 0.01). These findings suggested that the soil texture affected the extraction of aroclor from soil. In addition, four different levels of moisture (5%, 10%, 15% and 20%) produced in two soil textures and aroclor were measured. The highest level of extraction was obtained at 20% moisture, which was significantly higher than that in other levels (P< 0.01). The difference between the mean of extractions in the soil samples with 10% and 15% levels of moisture was non-significant (P> 0.05).
Full-Text [PDF 435 kb]   (403 Downloads)    
Type of Study: Research | Subject: Ggeneral
Received: 2015/07/27 | Accepted: 2018/03/10

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