Browsing by Author "Muggundha Raoov"
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Item Restricted An integrated toolkit using multiple methods for determining the potential sources of iron and manganese in groundwater: a case study from the lower Kelantan River Basin, Malaysia(Springer, 2021) Usman Abdullahi Usman; Ismail Yusof; Muggundha Raoov; Yatimah Alias; Jonathan Hodgkinson; Nurzaidi AbdullahThe application of thin-section petrography, field emission scanning electron microscopy and energy dispersive X-ray analysis (FESEM–EDX), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermo-analysis, and laser Raman spectral analysis methods can be combined to characterize iron-ores and distinguish clay minerals in alluvial soils. The integrated methodology developed for this work provides the basis for a generic mineral characterization toolkit. Five main alluvial soil types have been defined in the upper layer of the lower Kelantan Basin, Malaysia: sand with low clay content, clay sand, sandy clay, mottled clay, and mud-sand.Item Restricted Natural sources of iron and manganese in groundwater of the lower Kelantan River Basin, North-eastern coast of Peninsula Malaysia: water quality assessment and an adsorption-based method for remediation(Springer, 2021) Usman Abdullahi Usman; Ismail Yusof; Muggundha Raoov; Yatimah Alias; Jonathan Hodgkinson; Nurzaidi Abdullah; Nur Hayati HussinShallow groundwater resources in the lower Kelantan River Basin show anomalously high concentrations of iron and manganese. In some cases, other transition metals and metalloids such as arsenic are also present at elevated levels. Coupled mineral stability and aqueous geochemical models were used to determine the possible sources of iron and manganese in the groundwater.Item Restricted Trace metals geochemistry for health assessment coupled with adsorption remediation method for the groundwater of Lorong Serai 4, Hulu Langat, west coast of Peninsular Malaysia(Springer, 2020) Usman Abdullahi Usman; Ismail Yusoff; Muggundha Raoov; Jonathan HodgkinsonThe research study was carried out to evaluate trace metals (Pb, Cd, Se, Al, Mn, Cu, Zn, Fe, As, Ni, Cr, and Ag) concentrations in groundwater of Lorong Serai 4, Hulu Langat, Selangor, Malaysia. Additionally, the research study focused on determining non-carcinogenic and carcinogenic health risks, sources of the contaminants, and effective remediation methods.