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Heavy Metals Countans in the Edible Parts of Some Vegetables Grown in Candi Kuning, Bali and Their Pedictid Pollution in the Cultivated Soil

Prof. Dr. Ir. Ida Bagus Putra Manuaba,M.Phil., Ida Bagus Putra Manuaba (2014) Heavy Metals Countans in the Edible Parts of Some Vegetables Grown in Candi Kuning, Bali and Their Pedictid Pollution in the Cultivated Soil. Journal of Environment and Earth Science, 4. ISSN 2224-3216

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Abstract

Vegetables are important for human diet due to their content including mineral, vitamin, carbohydrate, protein, and fibers, but they often associate with poison such as heavy metals derived from lands where the vegetables are grown. This brings us to investigate the contents of some heavy metals, namely Pb, Co, Cr, and Zn, in edible parts of 10 species vegetable cultivated in Candi Kuning, Bali and to predict the levels of pollution in the cultivated soil. Wet digestion method was involved to prepare the samples before determination of the metals using Atomic Absorption Spectrometer (AAS). The concentration of heavy metals in the edible parts of the vegetables were found vary depend on the species and type of the edible parts. The heavy metals contained in the edible parts of the ten species of vegetables were approximately in the range of 11.11 to 374.55 mg/kg for Pb; 4.34 to 150.15 mg/kg for Cu; and ND (not detected) to 152.82 mg/kg for Cr and 5.12 to 90.69 mg/kg for Zn. Most of those levels are higher than the permissible-maximum limit regulated by FAO/WHO. Therefore, the agricultural soils in Candi Kuning which is one of the vegetable production center in Bedugul Area of Bali for cultivation of the vegetables could be predicted that were generally polluted by metals. Leads and chromium were the metals that cause high levels of pollution, while copper and zinc were less polluted in soil. Keywords: heavy metals, vegetables, agricultural soil, pollution

Item Type: Article
Uncontrolled Keywords: -
Subjects: L Education > L Education (General)
Divisions: Faculty of Law, Arts and Social Sciences > School of Education
Depositing User: Mr. Repository Admin
Date Deposited: 07 Jun 2016 21:58
Last Modified: 21 Jun 2016 05:58
URI: http://erepo.unud.ac.id/id/eprint/5026

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