Browsing Chemistry by Author "Gichumbi, J. M."
Now showing items 1-9 of 9
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Antibacterial and Antifungal activities of Novel hydroxytriazenes.
Ombaka, A.O *; Muguna, A. T.; Gichumbi, J. M. (2012-04-02)In a search for new leads potent antimicrobial agents, an array of novel hydroxytriazenes i-xi were synthesized and characterized through their melting point, crystal shape, colour and elemental analysis. ... -
Antibacterial and antifungal activities of novel hydro
Ombaka, A. O.*; Muguna, A. T.; Gichumbi, J. M. (2012)In a search for new leads potent antimicrobial agents, an array of novel hydroxytriazenes i-xi were synthesized and characterized through their melting point, crystal shape, colour and elemental analysis. ... -
Antibacterial and antifungal activities of novel hydroxytriazenes
Ombaka, A. O.*; Muguna, A. T.; Gichumbi, J. M. (2012-04-02)In a search for new leads potent antimicrobial agents, an array of novel hydroxytriazenes i-xi were synthesized and characterized through their melting point, crystal shape, colour and elemental analysis. In vitro ... -
Investigation Of Physicochemical and Bacteriological Characteristics Of Water Samples From Irigu River Meru South, Kenya
Ombaka, O.; Gichumbi, J. M. (2012-11)Physicochemical and bacteriological parameter levels of river Irigu were investigated during wet and dry season in order to assess the degree of pollution .The results obtained were compared with WHO standards for drinking ... -
Spectrophotometric Determination of cobalt (II) in low concentrations using hydroxytriazene as selective chelating agents
Ombaka, Ochieng; Gichumbi, J. M. (2011-12)The present work describes a selective, rapid and simple spectrophotometric method for the determination of cobalt (II) at trace levels using some selected hydroxytriazene. The method is based ... -
Spectrophotometric determination of cobalt (ii) in low concentrations using hydroxytriazene as selective chelating agents.
Ombaka, O. *; Gichumbi, J. M. (2011-12)The present work describes a selective, rapid and simple spectrophotometric method for the determination of cobalt (II) at trace levels using some selected hydroxytriazene. The method is based on the reaction of hydroxytriazene ... -
Spectrophotometric Determination of Iron (III) by New Analytical Reagents Derived from Coupling Arylhydroxylamine and Aryldiazonium salt
Ombaka, O.; Gichumbi, J. M. (2012)A highly sensitive and selective spectrophotometric method is developed for the determination of iron(III) in aqueous solution withhydroxytriazenes. In this work, the effect of pH variation, the composition ... -
Spectrophotometric Determination of Iron(III) by New Analytical Reagents Derived from Coupling Arylhydroxylamine and Aryldiazonium Salt
Ombaka, O.*; Gichumbi, J. M. (2012)A highly sensitive and selective spectrophotometric method is developed for the determination of iron(III) in aqueous solution with hydroxytriazenes. In this work, the effect of pH variation, the composition of the complex ... -
Synthesis and insecticidal activities of some selected hydroxytriazenes. Journal of Environmental Chemistry and Ecotoxicology
Ombaka, O.; Gichumbi, J. M. (2011-10)Eight hydroxytriazenes were synthesized and then subjected to spot tests. The composition of these hydroxytriazenes was analyzed using elemental analysis and their physical characteristics like melting point, crystal shape ...