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Now showing items 61-70 of 76
DETERMINATION OF SELECTED HEAVY METALS POLLUTANTS AND PHYSIO-CHEMICAL PARAMETERS IN SEDIMENTS AND WATER: A CASE STUDY OF RIVER ATHI MACHAKOS COUNTY
(University of Eldoret, 2013)
The study set out to evaluate the effect of industrial activities by analyzing selected heavy metals and physicochemical parameters of water. Chemical survey was conducted in 9 selected sites (potential polluting sites) ...
ASSESSMENT OF LEVELS OF SELECTED HEAVY METALS AND COLIFORM BACTERIA IN SOIL AND VEGETABLES GROWN AT ELDORET MUNICIPAL DUMPSITE
(University of Eldoret, 2015)
Agricultural practices are on the rise in urban areas of developing countries; Kenya
included due to the high rate of urbanization which comes with associated challenges
such as increased demand for food and employment. ...
POTENTIAL OF TEA FACTORY WASTE IN REMOVAL OF SELECTED HEAVY METAL IONS FROM SIMULATED CONTAMINATED WASTE WATER
(University of Eldoret, 2014)
Pollution of water resources has increased with human activities world over and heavy metals are major contaminants. In this study, removal of Cd2+, Cr3+, Cu2+, Pb2+ and Zn2+ ions from simulated contaminated water using ...
ANALYSIS OF THE LEVELS OF SELECTED HEAVY METALS IN THE VICINITY OF A LEAD BATTERIES RECYCLER PLANT IN ATHI-RIVER, KENYA
(University of Eldoret, 2015)
The levels of heavy metals in the environment have been increasing in the recent past as a result of human activities. Since toxicity of heavy metals is widely known, their speciation is increasingly attracting attention. ...
EFFICACY OF NEW PYRETHRUM SYNERGISTS FROM OCIMUM KILIMANDSCHARICUM GUERKE AND TAGETES MINUTA L. AGAINST MALARIA VECTOR THE ANOPHELES GAMBIAE
(University of Eldoret, 2016)
Mosquitoes are vectors that carry disease-causing viruses and parasites from person to
person. Some of these diseases such as dengue, malaria, rift valley fever, yellow fever
among others can be life threatening. Vector ...
ACTIVITY OF TEPHROSIA VOGELII CRUDE EXTRACT AGAINST LEISMANIA MAJOR IN EXPERIMENTALLY INFECTED BALB/c MICE
(University of Eldoret, 2016)
Leishmaniasis, a vector-borne disease caused by obligate intra-macrophage protozoa,
is endemic in large areas of the Tropics, Subtropics and the Mediterranean basin and
350 million people are considered at risk. The ...
EFFECT OF GRAIN SIZE, BED DEPTH AND RETENTION TIME IN INTERMITTENT BIOSAND FILTERS FOR IMPROVEMENT OF SECONDARY SEWAGE EFFLUENT QUALITY
(University of Eldoret, 2014)
Biosand filtration (BsF) is a simple technique used for pathogen and particle removal
in drinking water purification. It may be adapted for wastewater stabilization but only
a few studies have been done on improvement ...
EFFECT OF LABORATORY RESOURCES AVAILABILITY AND USABILITY ON STUDENTS’ ACHIEVEMENT IN PRACTICAL CHEMISTRY IN SOTIK SUB-COUNTY, KENYA
(University of Eldoret, 2016)
In the years 2010 and 2011, poor results in Chemistry were recorded among
secondary school students in Sotik Sub-County. Lack of efficient use of laboratory
resources was cited as one reason for the poor performance. ...
THE SPATIAL AND TEMPORAL VARIATION OF SELECTED HEAVY METALS, NITROGEN AND PHOSPHORUS IN WATER AND SOILS OF YALA SWAMP, KENYA
(University of Eldoret, 2013)
Studies involving pollutants in the environment have been used as an indicator of their accumulation resulting from human activities. A study of spatial and temporal variation of pollutants involving forty four water and ...
SYNTHESIS AND CHARACTERISATION OF NICKEL AND PALLADIUM BIMETALLIC COMPLEXES AND THEIR CATALYTIC APPLICATION IN OLIGOMERISATION OF 1-HEXENE
(University of Eldoret, 2022)
In this work, typical homobimetallic complexes derived from N,O-salicylaldimine ligands were
investigated for their catalytic potential in oligomerisation of 1-hexene. Catalysts of
monometallic nature, that is, those ...