Abstract

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.

Keywords:

AAS, cold extraction, maize, nickel, soil,

References

Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.