Chemistry: Recent submissions
Now showing items 61-74 of 74
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Analyses of geophagic materials consumed by pregnant women in Embu, Meru and Chuka towns in eastern province, Kenya
(2011)Geophagy is the deliberate consumption of soil and clay deposits by animals, including man. During pregnancy all the nourishment needed by the developing fetus comes from the mother, either the food she eats or the supplement ... -
Rapid,Economical and selective Compexometric Determination of Iron (III) in its synthetic alloys using 3 hydroxy-3 phynyl-1-(2,4,6-tribromophynyl)
(2019-09)The present study describes a simple, selective, rapid and economical method for the determination of iron (III) in its synthetic alloys using 3-hydroxy -3- phenyl-1- (2,4,6- tribromophenyl) triazene as metallochromic ... -
Spectrophotometric Determination of traces of Lead (II) in Spinach Samples marketed in Chuka, Kenya
(2015-11-15)Three hydroxytriazenes were synthesized and studied for the spectrophotometric determination of Lead (II) in spinach samples. Lead (II) reacts with hydroxytriazenes to form a 1:2 yellow complex, having a sensitive absorption ... -
Livestock farmers perceptions on the relevance of natural licks in Igambang’ombe Division, Tharaka-Nithi County, Kenya
(2014-05)A survey covering 12 Sublocations in Igambang’ombe Divsion and involving 72 respondents was conducted to ascertain perceptions on the relevance of natural licks. Household survey, focus group discussions and direct ... -
Characterization of clays from Tharaka-Nithi County in Kenya for Industrial and Agricultural Applications
(2015-03)Clay samples from Tharaka-Nithi County in Kenya were characterized by hydrometer, X-ray fluorescence spectroscopy (XRF), atomic absorption spectroscopy (AAS), TGA, scanning electron microscopy (SEM) and powder diffraction ... -
Determination of essential minerals and toxic elements composition of the natural licks consumed by livestock in Tharaka-Nithi County, Kenya
(2015-11)The aim of this study was to determine the quantities of essential and toxic elements in the natural licks consumed by livestock in Igambang'ombe Division in Tharaka-Nithi County, Kenya. Ten highly used licks, five moderately ... -
Determination of Essential Minerals and Toxic Elements Composition of the Natural Licks Consumed By Livestock in Tharaka-Nithi County, Kenya
(2015-11)Consumption of natural licks is common among domestic animals under natural circumstances, and as a substitute to commercial mineral licks among smallholder livestock keepers in Tharaka-Nithi County, Kenya, with a believe ... -
The role of treatment and counselling in an HIV/ AIDS, Malaria and Tuberculosis Model. An analysis of HIV/AIDS and Malaria
(2015-11)HIV/AIDS remains one of the leading causes of death in the world with its effects most devastating in Sub Saharan Africa due to its dual infection with opportunistic infections especially malaria and tuberculosis. This ... -
Sensitivity analysis of treatment and counselling in a co-infection model of HIV/AIDS, tuberculosis and malaria
(2016-02)This study presents a co infection deterministic model defined by a system of ordinary differential equations for HIV/AIDS, malaria and tuberculosis. The model is analyzed to investigate the potential impact of counseling ... -
). Characterization and classification of clay minerals for potential applications in Rugi ward, Kenya.
(African Journals Online, 2016-11-16)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 ... -
Assessment of indegenious knowledge and practices on the use of clay among rural communities in Meru, Kenya
(2017)A survey was conducted to ascertain the clay applications and its health effects on humans among the rural communities. Household survey, focus group discussion and direct observation were employed. A structured questionnaire ... -
Indigenous knowledge and applications of clay among rural communities in western Kenya
(2019-01)A survey was conducted in Western Kenya involving 281 respondents to ascertain the clay applications and its health effects on human beings. Household survey, focus group discussions and direct observation were ... -
Complexometric determination on Nickel (ii) in its synthetic alloys using selected Hydroxytriazene as metallochromic indicator
(2019)A simple, rapid and reasonable selective Complexometric technique for nickel (II) determination using some selected hydroxytriazene as a metallochromic indicator is reported in the present study. The colour change at the ... -
Synthesis, characterization and applications of transition metal-doped manganese oxide catalysts.
(2019)Manganese oxide octahedral molecular sieves exhibit good conductivity, tunable redox properties, high porosity and excellent thermal stability. Thus, these materials have several potential applications as cathodic materials ...