Browsing Physics by Author "Ombaka, Ochieng"
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Adsorption of Lead (II) Ions from Aqueous Solutions Using Mangroves Roots (Rhizophora Mucronata) Charcoal-Carbon Nanotubes Nanocomposite
Ngugi, Fidelis; Mwangi, Joel; Njagi, Eric; Ombaka, Ochieng (Journal of Multidisciplinary Engineering Science and Technology (JMEST), 2021)Providing clean and affordable water to meet human needs is a grand challenge of the 21st century. Worldwide, water supply struggles to keep up with the fast growing demand, which is exacerbated by population growth, ... -
Adsorption of rhodamine b from aqueous solution using mangroves (Rhizophora mucronata) carbon nanotubes nanocomposites
Ngugi, Fidelis; Mwangi, Joel; Njagi, Eric; Ombaka, Ochieng (www.allsubjectjournal.com, 2021)The use of dyes has increased dramatically and uncontrollably in last few decades. Different types of dyes are frequently employed in plastics, paper, cosmetics, leather, and textile industries for coloring purposes. These ... -
Characterization and classification of clay minerals for potential applications in Rugi Ward, Kenya
Ombaka, Ochieng (2016)The applications of various clayey minerals are related to their structural, physical and chemical characteristics. The physical and chemical properties of the clayey minerals dictate their utilization in the process ... -
Concentration of Inorganic Contaminants in Shallow Borehole Water in Chuka Sub-County, Kenya
M. Rugendo, Edith; C. Njagi, Eric; Ombaka, Ochieng (Journal of Chemical, Biological and Physical Sciences, 2020-11-24)Groundwater from shallow aquifers is an important source of portable water in Chuka Sub-County. However, most shallow boreholes in Chuka Sub-County are undocumented and susceptible to contamination by both geogenic and ... -
NEW METALLOCHROMIC INDICATORS FOR COMPLEXOMETRIC TITRATION OF COPPER (II) IN PRESENCE OF INTERFERING SPECIES
Ombaka, Ochieng (Life Science Informatics Publications, 2020-09)Six hydroxytriazenes has been introduced as a metallochromic indicator in the complexometric titration with EDTA and applied successfully to the titration of copper (II). A direct method of titration of Cu (II) with EDTA ... -
Spectrophotometric Determination Of Copper (Ii) In Soil From Ahero Rice Irrigation Schemes Using Hydroxytriazene
Ombaka, Ochieng (IOSR Journal of Applied Chemistry, 2020)A simple, rapid, sensitive and cost effective spectrophotometric technique for the determination of copper (II) using 3-hydroxy-3-m-tolyl-1-O-carboxyphenyltriazene has been reported. The complex formed was greenishyellow ...