David M. K. Ongeri

Efficient adsorption of lead (II) and copper (II) from aqueous phase using oxidized multiwalled carbon nanotubes/polypyrrole composite

Wilfrida N. Nyairo, Yasin Ramazan Eker, Chrispin O. Kowenje et al. · Separation Science and Technology · 2018 · 71 citations

Materials Science, Chemical Engineering, Engineering +15

Impact of Fertilizers on Heavy Metal Loads in Surface Soils in Nzoia Nucleus Estate Sugarcane Farms in Western Kenya

Solomon Omwoma, Joseph O. Lalah, David M. K. Ongeri et al. · Bulletin of Environmental Contamination and Toxicology · 2010 · 26 citations

Engineering, Soil Science, Heavy Metal Loads +7

Efficient Removal of Lead(II) Ions from Aqueous Solutions Using Methyl-β-Cyclodextrin Modified Graphene Oxide

Wilfrida N. Nyairo, Yasin Ramazan Eker, Chrispin O. Kowenje et al. · Water Air & Soil Pollution · 2017 · 24 citations

Chemical Engineering, Engineering, Carbon-based Material +9

Levels of Toxic Metals in Multisectoral Samples from Winam Gulf of Lake Victoria

David M. K. Ongeri, Joseph O. Lalah, Shem O. Wandiga et al. · Bulletin of Environmental Contamination and Toxicology · 2008 · 23 citations

Toxic Metals, Environmental Chemistry, Environmental Monitoring +14

Seasonal Variability in Cadmium, Lead, Copper, Zinc and Iron Concentrations in the Three Major Fish Species, Oreochromis niloticus, Lates niloticus and Rastrineobola argentea in Winam Gulf, Lake Victoria: Impact of Wash-Off into the Lake

David M. K. Ongeri, Joseph O. Lalah, Shem O. Wandiga et al. · Bulletin of Environmental Contamination and Toxicology · 2011 · 11 citations

Environmental Chemistry, Fishery Science, Winam Gulf +6