Výsledky vyhledávání - "Rajesh V. Pai"

A green analytical approach for the direct non-destructive compositional analysis of (Th, U)O2 fuel pellets by the X-Ray Fluorescence technique using single universal calibration

Autor: Buddhadev Kanrar, Kaushik Sanyal, Rajesh V. Pai

Publikováno v: Journal of Analytical Atomic Spectrometry. 37:741-749

TRITON-based dispersion methodology (Method 1) and touchstone-based methodology (Method 2) for the direct non-destructive compositional analysis of (Th, U)O2 fuel pellets.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d6a4caabb36baa725edbfde320764ae
https://doi.org/10.1039/d2ja00005a

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Evaluation of compositional micro-homogeneity in MOX fuels using lab based μ-XRF spectrometry

Autor: Kaushik Sanyal, Buddhadev Kanrar, Sangita Dhara, Rajesh V. Pai

Publikováno v: Journal of Analytical Atomic Spectrometry. 37:1179-1185

Direct non-destructive evaluation of micro-homogeneity and agglomerate sizes (red zones) in nuclear fuel pellets prepared via different fabrication routes using μ-XRF.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd32ac9dc31de393e9d0e4c1ebac1ead
https://doi.org/10.1039/d2ja00025c

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A highly sensitive method for uranium quantification in water samples at ultra-trace level by total reflection X-ray fluorescence, after its direct pre-concentration on the surface of amidoxime functionalized quartz sample supports

Autor: Kaushik Sanyal, Sangita Dhara, Nitin Gumber, Rajesh V. Pai

Publikováno v: Talanta. 254

In this work we have developed a Total reflection X-Ray Fluorescence (TXRF) based methodology for the determination of uranium in natural water samples at ultra-trace concentration level. The methodology involves functionalization of quartz sample su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b743eeed100176bc9aba39878297c1b8
https://pubmed.ncbi.nlm.nih.gov/36462282

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Catalytic properties of dispersed iron oxides Fe2O3/MO2 (M = Zr, Ce, Ti and Si) for sulfuric acid decomposition reaction: Role of support

Autor: Rajesh V. Pai, Ashish Nadar, Sher Singh Meena, Raghvendra Tewari, A.M. Banerjee, Arvind Tripathi, Mrinal R. Pai

Publikováno v: International Journal of Hydrogen Energy. 43:37-52

Supported iron oxides have been established as an important class of catalyst for high temperature sulfuric acid decomposition. With an objective to elucidate the role of support in modifying the overall catalytic properties of dispersed iron oxide c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3efacb42d8fae2fdadad3074d097258e
https://doi.org/10.1016/j.ijhydene.2017.10.163

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Synthesis, Characterization and Crystal Chemistry of Uranium and Cerium Doped Yttrium Titanate Pyrochlore: A Potential Waste Immobilization Matrix

Autor: Rohan Phatak, Kathi Sudarshan, Jagannath Jagannath, Bhavana Adiraju, Rajesh V. Pai, Nitin Gumber, Manjulata Sahu

Publikováno v: Journal of Nuclear Materials. 556:153191

Uranium and cerium doped yttrium titanate pyrochlores Y2-xAxTi2O7±δ (A = U or Ce) were synthesized by gel combustion method. The Rietveld analysis of these pyrochlores showed that due to the large charge heterogeneity, uranium cannot be incorporate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::876198e90886fac3c9d01c1a817571aa
https://doi.org/10.1016/j.jnucmat.2021.153191

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Nanostructured Fe2O3 dispersed on SiO2 as catalyst for high temperature sulfuric acid decomposition—Structural and morphological modifications on catalytic use and relevance of Fe2O3-SiO2 interactions

Autor: Rajesh V. Pai, Raghvendra Tewari, Shyamala R. Bharadwaj, Arvind Tripathi, Ashish Nadar, Sher Singh Meena, Mrinal R. Pai, S. M. Yusuf, A.M. Banerjee

Publikováno v: Applied Catalysis B: Environmental. 217:154-168

Through our previous studies it was established that non- precious Fe2O3 based catalyst has the potential to replace Pt based catalyst for high temperature sulfuric acid decomposition, the energy conversion step in iodine- sulfur or hybrid-sulfur the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea29a37c48827651e3ce75f217415a4c
https://doi.org/10.1016/j.apcatb.2017.05.045

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Oxidation and thermo physical studies of non-stoichiometric thorium uranium oxides prepared by gel combustion method

Autor: Mrinal R. Pai, Jagannath, Subroto Mukerjee, Rajesh V. Pai, Manjulata Sahu, Dheeraj Jain

Publikováno v: Thermochimica Acta. 654:8-17

Thorium uranium oxide powder with uranium concentrations 10, 20, 30, 40, 50 and 70 mol% was prepared by gel combustion method. The sintering behaviour of the powders studied by dilatometry indicated that samples containing uranium up to 30 mol% had s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f0e4e1b028abd840c49fae6f3e51a70
https://doi.org/10.1016/j.tca.2017.04.014

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