期刊名称：Advance Journal of Food Science and Technology
印刷版ISSN：2042-4868
电子版ISSN：2042-4876
出版年度：2013
卷号：5
期号：2
页码：137-143
DOI：10.19026/ajfst.5.3233
出版社：MAXWELL Science Publication
摘要：An investigation of chemical fraction of Nickel in maize and soil samples was conducted. The objective of the study was to determine the concentration of Nickel in maize and soil samples by Flame Atomic Absorption Spectrometry (FAAS) using Cold Extraction Technique. The results indicated that the soil samples collected from various locations contain varying amounts of Nickel and were distributed between residual, oxide, Fe and Mn oxide and carbonate/organically bound phases. The result of the study also showed that in some of the sampling locations, the Nickel concentration is above the tolerance limit value of 50 mg/kg and the ANOVA (p = 0.000<0.05) indicated a significant difference in the nickel concentrations across the various maize crops. Similarly, the ANOVA (p = 0.000<0.05) also showed a significant difference in the nickel concentrations across the various maize grown soils.
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