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Article
Study of hyperfine interactions in calcium titanate perovskite using TDPAC spectroscopy
Local electronic structure was investigated by observing hyperfine interactions (HFI) in Calcium titanate (CTO) perovskite using time differential perturbed angular correlation (TDPAC) spectroscopy. CTO was sy...
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Article
Retention of Am(III) by montmorillonite: effect of sulphate
The predominant mineral, montmorillonite, in smectite-rich clays, the most promising buffer & backfill, controls their sorption characteristics towards radionuclides. The role of sulphate on Am(III) sorption b...
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Article
Evaluation of hyperfine interactions in strontium titanate perovskite for low doses of electron beam radiation
Perovskite are potential crystalline host phases for immobilization of actinides and fission products generated in nuclear reactor fuel. Crystalline matrix undergoes radiation damage from radiations emanating ...
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Chapter
Nuclear Material Accounting and Control
The refers to all measures established in a state to prevent the diversion from peaceful uses and to enable the timely detection of diversion of any material to the production of nuclear explosive devices....
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Book
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Article
Probing electronic environment in gamma irradiated sodium borosilicate glass and simulated waste glass: a perturbed angular correlation spectroscopy study
Time Differential Perturbed Angular Correlation (TDPAC) has been used to investigate the local structural changes (if any) in Sodium borosilicate (NBS) Glass and Simulated Waste Oxide loaded sodium borosilicat...
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Article
Retention behaviour of Ba(II) on argillaceous rocks of Cuddapah system
Argillaceous rock formation of Cuddapah System are under evaluation as the potential host rock for deep geological repository in India. Sorption of Ba(II), as a chemical analogue of 90Sr, on argillaceous rock for...
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Article
Selective removal of Am(III) and Pu(IV) from analytical waste solutions of quality control operations using extractant encapsulated polymeric beads
Present study reports simultaneous batch and column extraction of Pu(IV) and Am(III) followed by selective strip** from actual analytical waste solution generated during quality control operations. N, N, N′, N′...
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Article
Development of 99Mo-alfa-benzoin oxime complex as industrial radiotracer for identification of leaky heat exchanger and its validation with 99mTc
Molybdenum-99 (99Mo), in the form of 99Mo-alfa-benzoin oxime (99Mo-ABO) complex was developed as industrial radiotracer and its performance was tested in a diesel hydro-treater unit of a leading oil refinery. Mai...
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Article
Determination of 90Sr in environmental samples using solid phase extraction chromatography
A simple and rapid method based on solid phase extraction chromatography (SPEC) has been developed for the determination of 90Sr in environmental samples. The SPEC method consists of three steps, namely, (1) carb...
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Article
Correction to: Effect of phosphate on sorption of Eu(III) by montmorillonite
On page 538, in second column/line number 5, the value for the cation exchange capacity of the Na-montmorillonite clay is 23 meq per 100 g instead of 87 meq per 100 g.
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Article
Recovery of plutonium and cerium from alumina crucible
Plutonium recovery is inevitable from plutonium bearing alumina crucibles generated over the years as part of carbon analysis during chemical quality control of nuclear fuels. This is a challenging task owing ...
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Article
Evaluation of pyridinium-based bifunctional resins for the separation of Pu(IV) from acidic solutions
Bifunctional resins having pyridinium and methyl ammonium-based dicationic groups, separated by a five carbon spacer, have been prepared by chemical modification of Reillex™ 402 poly(4-vinyl pyridine). Batch s...
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Article
Hyperfine interaction study of pressure induced phase transformations in Hafnia
Time Differential Perturbed Angular correlation (TDPAC) study of pressure dependent phase transition in HfO2 has been performed for the first time to reveal the change in local structure around Hf atom. The resul...
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Article
Effect of phosphate on sorption of Eu(III) by montmorillonite
Eu(III) sorption by Na-montmorillonite, the principal component of bentonite, has been studied in absence and presence of phosphate under varying experimental conditions of pH, metal ion, phosphate and sorbent...
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Article
Sorption studies of radionuclides on argillaceous clays of Cuddapah System
Worldwide argillaceous clays are being studied as promising host rock for nuclear high level waste disposal. Cuddapah argillite is under evaluation for Indian clay rock based repository. Herein characterizatio...
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Article
Evaluation of sorption capability and aqueous stability of Ba2TiSi2O8 (BTS)
The present paper, for the first time, reports the application of Ba2TiSi2O8 (BTS) for management of trivalent actinides present in radioactive waste. BTS was synthesized and thoroughly characterized. Uptake of C...
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Article
Investigation of gamma radiation induced changes in local structure of borosilicate glass by TDPAC and EXAFS
Gamma radiation induced changes in local structure around the probe atom (Hafnium) were investigated in sodium barium borosilicate (NBS) glass, used for immobilization of high level liquid waste generated from...
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Article
Speciation of U and Am in sol–gel derived borosilicate glasses by photoluminescence lifetime spectroscopy
Borosilicate glasses are intended to be the barrier in between the high level nuclear waste and the geosphere. The oxidation state and the coordination geometry of a particular element in the glass influences ...
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Article
Distribution coefficients of radionuclides around uranium mining area and effect of different analytical parameters on their determination
Macroscopic batch sorption study has been carried out to measure distribution coefficient (K d) of uranium, thorium and their daughter products, radium and polonium, on soil samples collec...