2013
DOI: 10.4236/ns.2013.52a037
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The influence of old leather tannery district on chromium contamination of soils, water and plants

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Cited by 24 publications
(19 citation statements)
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“…This is consistent with the fact that plants accumulate the highest level of Cr in roots [27]. The highest level of Cr recorded in onion root (11.75 ± 0.206 mg/Kg) was also comparable to the previous report (11 mg/kg) [28]. The highest level of Cr(VI) was detected in the root of onion (0.048 ± 0.065 mg/Kg) and the lowest in fruit of green pepper (0.004 ± 0.007 mg/Kg).…”
Section: Resultssupporting
confidence: 91%
“…This is consistent with the fact that plants accumulate the highest level of Cr in roots [27]. The highest level of Cr recorded in onion root (11.75 ± 0.206 mg/Kg) was also comparable to the previous report (11 mg/kg) [28]. The highest level of Cr(VI) was detected in the root of onion (0.048 ± 0.065 mg/Kg) and the lowest in fruit of green pepper (0.004 ± 0.007 mg/Kg).…”
Section: Resultssupporting
confidence: 91%
“…Anthropogenically, chromium is released into the environment through sewage and fertilizers (Ghani, 2011 ). Cr(III) is immobile in its reduced form and is insoluble in water whereas Cr(VI) in its oxidized state is highly soluble in water and thus mobile (Wolińska et al , 2013 ). In order to determine the activities of the metal ions in the environment, metal speciation is very important where in case of chromium the oxidative form of Cr(III) is not an essential contaminant of the ground water but Cr(VI) has been found to be toxic for humans (Gürkan et al , 2012 ).…”
Section: Heavy Metals and Their Toxicity Mechanismsmentioning
confidence: 99%
“…Cr(VI) is stable in more oxidizing environment where pH is above 6 and at pH (3–6) chromium tends to remain in Cr(III) state . Disposal of Chrome tanned leather by burying in soil may lead to Cr(III) to Cr(VI) transformation depending on pH conditions which will harm humans and other animals and contaminate plants . So instead of burning the waste leather it could be used as filler in polymeric materials to develop composites having different applications such as footwear and, high‐end domestic articles.…”
Section: Introductionmentioning
confidence: 99%