| Removal of fluoride from aqueous solutions by adsorption using a siliceous mineral of a Kenyan origin EW Wambu, CO Onindo, W Ambusso, GK Muthakia CLEAN–Soil, Air, Water 41 (4), 340-348, 2013 | 49 | 2013 |
| Removal of cadmium (II) ions from water by adsorption using water hyacinth G Murithi, CO Onindo, EW Wambu, GK Muthakia BioResources, 2014 | 46 | 2014 |
| High fluoride water in the Gilgil area of Nakuru County, Kenya EW Wambu, GK Muthakia | 44 | 2011 |
| A kinetic study of the oxidation of indigo carmine with acidic bromate SB Jonnalagadda, RH Simoyi, GK Muthakia Journal of the Chemical Society, Perkin Transactions 2, 1111-1115, 1988 | 39 | 1988 |
| Review of fluoride removal from water by adsorption using soil adsorbents–an evaluation of the status EW Wambu, WO Ambusso, C Onindo, GK Muthakia Journal of Water Reuse and Desalination 6 (1), 1-29, 2016 | 35 | 2016 |
| Kinetics of copper desorption from regenerated spent bleaching earth EW Wambu, GK Muthakia, PM Shiundu | 27 | 2009 |
| Kinetic and equilibrium study for the sorption of Pb(II) ions from aqueous phase by water hyacinth (Eichhornia crassipes) G Murithi, CO Onindo, GK Muthakia Bulletin of the Chemical Society of Ethiopia 26 (2), 2012 | 26 | 2012 |
| Kinetics and thermodynamics of aqueous Cu (II) adsorption on heat regenerated spent bleaching earth EW Wambu, GK Muthakia, PM Shiundu Bulletin of the Chemical Society of Ethiopia 25 (2), 2011 | 26 | 2011 |
| Uncatalyzed and vanadium (V)-catalyzed reaction of methylene blue with potassium bromate in aqueous sulfuric acid GK Muthakia, SB Jonnalagadda The Journal of Physical Chemistry 93 (12), 4751-4756, 1989 | 26 | 1989 |
| Regeneration of spent bleaching earth and its adsorption of copper (II) ions from aqueous solutions EW Wambu, GK Muthakia, PM Shiundu Applied clay science 46 (2), 176-180, 2009 | 25 | 2009 |
| Fluoride adsorption onto acid-treated diatomaceous mineral from Kenya EW Wambu, CO Onindo, WJ Ambusso, GK Muthaika Scientific Research, 2011 | 20 | 2011 |
| Kinetics and mechanism of indigo carmine‐acidic iodate reaction. An indicator reaction for catalytic determination of Ru (III) ion GK Muthakia, SB Jonnalagadda International journal of chemical kinetics 21 (7), 519-533, 1989 | 20 | 1989 |
| Fluoride adsorption onto an acid treated lateritic mineral from Kenya: Equilibrium studies EW Wambu, CO Onindo, WJ Ambusso, GK Muthakia African Journal of Environmental Science and Technology 6 (3), 160-169, 2012 | 16 | 2012 |
| Geophysical exploration of iron ore deposit in Kimachia area in Meru county in Kenya, using gravity and magnetic techniques A Vincent, M Kassim, M Charles, A Willis, M Gerald International Journal of Science and Research (IJSR) 2 (11), 104-108, 2013 | 8 | 2013 |
| Synthesis, characterization and electrochemistry of heterobimetallic complexes containing molybdenum (II) nitrosyl and manganese (II)-Schiff base centers R Odhiambo, GK Muthakia, SM Kagwanja Bulletin of the Chemical Society of Ethiopia 24 (1), 2010 | 8 | 2010 |
| Equilibrium studies of fluoride adsorption onto a ferric poly− mineral from Kenya EW Wambu, CO Onindo, W Ambusso, GK Muthakia Journal of Applied Sciences and Environmental Management 16 (1), 69-74, 2012 | 7 | 2012 |
| Electrical conductivities of manganate-permanganate mixtures: New mixed-valence manganate(VI)–(VII) salts Ba3(MnO4)4 and BaK(MnO4)2 DR Rosseinsky, GK Muthakia Journal of Chemical Research 2000 (3), 116-117, 2000 | 7 | 2000 |
| Cementing material from rice husk-broken bricks-spent bleaching earth-dried calcium carbide residue MJ Wachira, MG Kanyago Mediterranean Journal of Chemistry 2 (2), 401-407, 2012 | 6 | 2012 |
| Synthesis, physical and electrochemical characterization of mono- and heterobinuclear m-functionalized iron(III) Schiff base complexes RA Odhiambo, GK Muthakia, SM Kagwanja Transition Metal Chemistry 37, 431-437, 2012 | 5 | 2012 |
| Spent bleaching earth as a pozzolanic material WJ Muthengia, GK Muthakia Journal of Civil Engineering Research and Practice 2 (1), 2005 | 5 | 2005 |
