12 Result(s)
within
Satendra Kumar
Chemistry
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Article
Conversion of UO2 to UCl3 using AlCl3 in LiCl–KCl eutectic melt in presence of lanthanide (Nd, Pr, Ce, La) oxides: a spectroscopic study
The chlorination of UO2 in presence of Nd2O3, Pr6O11, CeO2 and La2O3 in LiCl–KCl melt using AlCl3 and Al metal at 773 K is studied here. All the oxides were chlorinated and the extent of conversion of UO2, Nd2O3 ...
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Article
Effect of electrolyte cations on electrochemical performance of pseudocapacitive CuS electrode
In the emerging field of electrochemical energy storage devices (EESDs), lithium (Li) ion-based EESDs are currently dominant. However, due to the high cost and lack of Li resources, researchers and industries ...
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Article
Investigating laser induced breakdown spectroscopy for estimating uranuim by its hydroxide colloids in presence of large excess of LiCl–KCl/Cd
In this work, laser induced breakdown spectroscopic (LIBS) technique is utilized to estimate U in presence of large excess of lithium and potassium chloride (LiCl–KCl) or Cd mixtures. Colloidal solution of hyd...
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Article
A simple spectrofluorimetric method to estimate uranium: application to nuclear reprocessing solution
A simple spectrofluorimetric method is reported for the estimation of uranium (U) in nitric acid using 0.4 M H2SO4 as an enhancing reagent. The intensity of fluorescence peak of U at 512 nm with excitation at 414...
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A Progress on Biotechnological Advances in Immunostimulants and Gene Interaction in Fishes
Evaluation of supplemented immunostimulating diets in fishes has frequently taken into account several common innate immune parameters such as respiratory burst activity, lysozyme, RBC and WBC count, myelopero...
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Article
Fluorimetric estimation of uranium at ultra trace level in reactor grade sodium
A simple method has been developed for the estimation of uranium in reactor grade sodium without the removal of sodium using time gated luminescence with pulsed lamp. Samples are prepared after oxidizing the s...
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Article
Development of a simple spectrophotometric method to estimate uranium concentration in LiCl–KCl matrix
A fast, precise and simple spectrophotometric method was developed for the estimation of uranium in LiCl–KCl salt matrix using phosphoric acid as a complexing agent. The 421 nm absorbance peak of uranium was f...
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Article
Luminescent versus non-luminescent uranyl–picolinate complexes
Luminescence of uranyl ion (UO22+) complexed with picolinate (PA) has been studied in aqueous and acetonitrile medium. In aqueous medium, for UO22+ to PA ratio of up to 1:20, a 1:1 non-luminescent specie with sta...
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Article
Feasibility study for quantification of lanthanides in LiF–KCl salt by laser induced breakdown spectroscopy
Quantitative analysis of Pr, Nd, Ce, La and Sm were carried out simultaneously in LiF–KCl matrix using laser induced breakdown spectroscopic technique. Two non-interfering analytical emission lines have been i...
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Article
Fluorimetric estimation of U(VI) in the presence of a large excess of Th(IV)
A fluorescence based method has been developed for the determination of trace amounts of uranium in thorium matrix using a mixture of phosphoric acid (H3PO4) and sulfuric acid (H2SO4), as fluorescence enhancing r...
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Article
Evaluation of corrosion behaviour of Ti–25Mo alloy in chloride medium
The corrosion behaviour of Ti–25Mo alloy in 0.9 wt% NaCl was evaluated by potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and compared with that of commercially pure titanium (CP-Ti)...
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Article
Kinetics and mechanism of hydrolysis of acetamides in metal-ion redox systems
The hydrolysis ofN-methylacetamide andN,N-dimenthylacetamide in the presence of cobalt(III) and cerium(IV) has been studied in perchloric acid in the range 10–50° C. The reduction of metal ions and the hydrolysis...
