A survey of sampling of heavy metals (lead, cadmium, copper, nickel and mercury) in some cultivated vegetables in Khoramabad city and Aleshtar, Summer 2017
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background
Vegetables have a high capability in absorbing and storing heavy metals and the gathering of these materials in the human body causes unpleasant effects. The aim of the present study is the evaluation of the density and pollution caused by the elements cadmium , lead, mercury, copper, and nickel in leek, potato, and tomato in some farms in Khorramabad city.Materials And Methods
In one experimental study, after the sampling of farms and preparing samples, digestion and combination with HCL, the density of the elements cadmium , lead, mercury, copper and nickel were determined by means of atomic absorption apparatus in a graphite furnace. To statistically process the findings, Spss software was used, and Excel software was used to present the findings. Finally, the results were compared with WHO standards.Results
The results show that the average density in heavy metals in various vegetables: levels of lead in leek (0.252), in tomato (0.304), and in potato (0.155) and the cadmium levels in leek (0.147), in tomato (0.216), in potato (0.081). The levels of nickel are as the follows: leek(47,98), in tomato (34,612), in potato (32,04). The levels of copper were as follows: in leek (0.149), in tomato (0.155), and in potato (0.148)ppm. Mercury was either absent or in trace amounts in the investigated vegetables.Conclusion
the reason for the high levels of lead and cadmium compared with the permissible limit is probably due to too much phosphate fertilizers being used by farmers, the use of sewage slime, insecticides, fungicides, the using of too much animal residues and urban waste and also the closeness of agricultural fields to roads. Keywords:
heavy metals , lead , cadmium , mercury
Language:
Persian
Published:
Yafteh, Volume:20 Issue: 2, 2018
Pages:
1 to 12
magiran.com/p1877386
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یکساله به مبلغ 1,390,000ريال میتوانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.
In order to view content subscription is required
Personal subscription
Subscribe magiran.com for 70 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!