沙特阿拉伯冰雹地区农业土壤和灌溉水中痕量金属的评价

Amal H Al-Bagawi, Dorsaf Mansour, Shomokh AM Aljabri
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引用次数: 0

摘要

农业土壤和灌溉水的适宜性取决于微量金属的存在;本文的目的是利用分析技术对冰雹地区的痕量金属进行评价。采用ICP-MS和火焰光度计测定金属污染水平。所得结果与农用标准样品进行了比较,均在适宜范围内。土壤累积指数(I-geo)、单一污染指数、Nemerow污染指数表明,土壤硒污染强度显著。几乎所有样品的I-geo值都没有显示出污染的迹象,这反映了除Zn外所有元素都没有受到污染。而铁元素的富集因子(EF)小于2,表明铁元素完全来自地壳物质或自然过程。研究表明,土壤样品中所分析元素的含量存在相当大的差异。土壤样品中总金属含量的变化顺序为:Na > K > Fe > Mn > Zn > Ba > Cr > Ni > Cu > Pb > Cd > as。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Trace metals assessment in agricultural soil and irrigation water at hail region Saudi Arabia
The suitability of agricultural soil and irrigation water depends on the presence of trace metals; the aim of the present work is to assessment of the trace metals at Hail region using analytical techniques. The metal contaminations levels were determined using ICP-MS and flame photometer. The result obtained were compared to the standard samples suitable for agricultural and it was in the suitable range. The geo-accumulation (I-geo), single pollution, Nemerow pollution indices showed that the Se pollution intensity was significant for agricultural soils. I-geo values revealed no real sign of contamination with almost all the samples, reflecting a lack of contamination for all elements except Zn. While the enrichment factor (EF) for Fe was less than 2 suggested that the elements come entirely from crustal materials or natural processes. The study showed considerable variation in the levels of the analyzed elements in the soil samples. The total metal concentrations in the soil samples ordered as follows: Na > K > Fe > Mn > Zn > Ba > Cr > Ni > Cu > Pb > Cd > As.
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