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Analysis of Cr in Dumpsite Soil Samples Using AAS and EDXRF Techniques

Author Affiliations

  • 1Department of Applied Science, College of Science and Technology, Kaduna Polytechnic, Kaduna, NIGERIA

Res.J.chem.sci., Volume 2, Issue (12), Pages 65-68, December,18 (2012)


In this research, speciation analysis of dumpsite soils from Kurmin Mashi (KM), Narayi (NY) and Tudun Wada (TW) of Kaduna metropolis, Nigeria was carried out. A modified Tessier extraction procedure was employed for the analysis. The concentration of Cr in the samples was determined using atomic absorption spectrometry (AAS) and Energy Dispersive X-Ray Fluorescence (EDXRF) techniques. The results revealed that KM dumpsite had the highest amount of Cr. From the ANOVA (P= 0.000 < 0.05), it was established that there is a significant difference in the total chromium content across the three locations. The results also showed that the metal was distributed between oxides, carbonate and carbonate/organically bound fractions and that acetic acid extracted the highest amount of Cr across the dumpsites. Similarly, the ANOVA (P = 0.020 < 0.05) indicated a significant difference in the Cr extracted using the three extraction media.


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