Research in Health and Medical Sciences

en مطالعه و اندازه گیری فلزات سنگین در خاک و سبزیجات آبیاری با پساب شهری: شهرستان خاش، استان سیستان و بلوچستان، ایران Study and Measurement of Heavy Metals in Soil and Irrigated Vegetables by Urban Wastewater: Khash city, Sistan and Baluchestan province, Iran عمومى General <div style="text-align: justify;">Soil and plant contamination by heavy metals have been studied and evaluated extensively in various countries of the world. These metals are first absorbed in the soil and then enter the plant, animal, and human bodies. The purpose of this study was to investigate the number of heavy metals (Cu, Cd, Pb, Mn) in soil and irrigated vegetables by urban wastewater: Khash, Sistan and Baluchestan. The edible vegetables like garden cress (Lepidiumsativum) and parsley (Petroselinum crispum) and also soil for their plantation in villages around Khash city were sampled and examined a totally of 36 vegetable samples and 36 soil samples. The vegetable samples were dried in an oven at 105°C after transferring to the laboratory. Amount of heavy metal was read through two techniques of calibration and standard increase by flame atomic absorption device after acid digestion using standard solutions. The mean concentration of lead, cadmium, manganese, and copper were obtained at 0.4654, 0.3715, 2.992, and 0.2590 in garden cress and 0.4333, 0.3123, 3.075, and 0.2655 (mg/kg of dry weight) in parsley, respectively. In addition, the mean concentration of lead, cadmium, manganese, and copper in garden cress soil were obtained at 0.4303, 0.5527, 15.78, and 0.6235 (mg/kg of dry weight), respectively and in parsley, the soil was obtained 0.3951, 0.5321, 11.000 and 0.55, respectively. According to the findings of this study, heavy metals amounts (Cu, Cd, Pb, Mn) in the irrigated vegetable tissues by wastewater were higher than the standard level in this region.</div> 51 57 http://jrhms.thums.ac.ir/browse.php?a_code=A-10-72-1&slc_lang=en&sid=1 Parviz Yarahmadzahi Parviz Yarahmadzahi youse.mahdavi@gmail.com 1003194753284600501 1003194753284600501 No Davoud Balarak Davoud Balarak dbalarak2@gmail.com 1003194753284600502 1003194753284600502 No Department of Environmental Health, Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran. Alireza Hosseni 1003194753284600503 1003194753284600503 No Shima Nakhaei 1003194753284600504 1003194753284600504 No Mohammad Seddiq Mortazavi 1003194753284600505 1003194753284600505 No Mojtaba Sajadi 1003194753284600506 1003194753284600506 No Hossein Moein hmoein26@yahoo.com 1003194753284600507 1003194753284600507 Yes