尼日利亚尼日尔州Kataeregi矿区土壤理化性质评价

J. Shehu, Usman Defyan Alhassan, Abdulwaheed Adewuyi Rafiu, A. Idris-Nda, A. Alkali
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引用次数: 0

摘要

对尼日利亚尼日尔州Kataeregi矿区的土壤样品进行了分析,以确定重金属(pH、Cd、Zn、Ar、Cr、Cu、Pb、Hg、Fe和Ni)。在4个土坑中采集10个土样,在距矿区100 m处采集对照场地。土样分析结果如下:不同地点土壤pH值在6.08 ~ 8.12之间,为中等碱性,Ar值在4.23 ~ 12.05 mg/kg之间,Ni值在4.00 ~ 70.0 mg/kg之间,高于农业和人体健康标准,Fe值在0.72 ~ 16.03 mg/kg之间,Hg值在0.11 ~ 1.01之间,Cd值为4.76 mg/kg至9.32 mg/kg,表明化学参数浓度较高,Cr值为9.89 mg/kg至27.00 mg/kg。Cu值在99.78 ~ 111.9 mg/kg之间,Pb值在1.0 ~ 6.07 mg/kg之间,Zn值在9.91 ~ 13.0 mg/kg之间。其中,Ar、Ni、Hg、Cd、Cr高于CSQG标准,Fe低于CSQG和WHO标准,Cu、Pb、Zn在允许范围内。
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Assessment of Physiochemical Qualities of Soil at Kataeregi Mining Site, Niger State, Nigeria
: Soil samples were analysed to determine the heavy metals (pH, Cd, Zn, Ar, Cr, Cu, Pb, Hg, Fe and Ni) at Kataeregi mining site, Niger State, Nigeria. Ten soil samples were collected from four soil pits and control site were collected 100 m away from mining site. The results of the analysed soil samples are as follows: Soil pH values of various locations ranged from 6.08 to 8.12 which is indicative of moderately alkaline, Ar values ranged from 4.23 mg/kg to 12.05 mg/kg, Ni values ranged between 4.00 mg/kg and 70.0 mg/kg and is above the standard set for agricultural and human health, Fe ranged from 0.72 mg/kg to 16.03 mg/kg, Hg values ranged between 0.11 and 1.01, Cd values ranged from 4.76 mg/kg to 9.32 mg/kg which is indicative of high concentration of chemical parameters and Cr ranged between 9.89 mg/kg and 27.00 mg/kg. Cu values ranged from 99.78 mg/kg to 111.9 mg/kg while Pb values ranged between 1.0 mg/kg and 6.07 mg/kg and Zn values ranged from 9.91 mg/kg to 13.0 mg/kg. It is observed that concentrations of Ar, Ni, Hg, Cd and Cr are above the CSQG standard while that of Fe is found to be below the standard set by CSQG & WHO and Cu, Pb, and Zn are within the permissible range.
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