Search Results - "Puranik, V.D."

Distribution and fate of persistent organochlorine pesticides in coastal marine environment of Mumbai by Pandit, G.G., Sahu, S.K., Sharma, S., Puranik, V.D.

“…Multi-compartment monitoring of residue levels of OCPs in coastal marine environment of Mumbai has been studied. The concentration of total HCHs in seawater…”
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Vertical distribution of polychlorinated biphenyl congeners in sediment core from Thane Creek area of Mumbai, India by Sahu, S.K., Ajmal, P.Y., Pandit, G.G., Puranik, V.D.

“…In recent years there has been a growing concern all over the globe about the marine pollution due to persistent organic pollutants. Sediments, which is an…”
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Impact of flow rate on sensitivity of semiconductor type thoron monitor by Sumesh, C.G., Vinod Kumar, A., Tripathi, R.M., Nair, R.N., Puranik, V.D.

“…The commercially available continuous thoron monitor, RAD7, applies electrostatic collection of charged thoron progeny followed by alpha spectrometry with a…”
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Simplified approach for reconstructing the atmospheric source term for Fukushima Daiichi nuclear power plant accident using scanty meteorological data by Oza, R.B., Indumati, S.P., Puranik, V.D., Sharma, D.N., Ghosh, A.K.

“…• Estimation of source terms for I-131 and Cs-137 for Fukushima Daiichi NPP. • Simplified Gaussian puff based atmospheric dispersion model is used. • Good…”
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Suitable gamma energy for gamma-spectrometric determination of 238U in surface soil samples of a high rainfall area in India by Lenka, P., Jha, S.K., Gothankar, S., Tripathi, R.M., Puranik, V.D.

“…The paper presents a systematic study on suitability of various gamma lines for monitoring of 238U activity in soil samples around a uranium mineralized zone…”
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Distribution of trace elements in coal and combustion residues from five thermal power plants in India by Bhangare, R.C., Ajmal, P.Y., Sahu, S.K., Pandit, G.G., Puranik, V.D.

“…The rapid increase of coal fired thermal power generation in India has resulted in increased generation of fly ash and bottom ash of various properties. In…”
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Characterization and quantification of persistent organic pollutants in fly ash from coal fueled thermal power stations in India by Sahu, S.K., Bhangare, R.C., Ajmal, P.Y., Sharma, S., Pandit, G.G., Puranik, V.D.

“…The burning of pulverized coal to produce energy for generation of electricity in thermal power plants results in huge quantity of coal ash of varying…”
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Chemical Characterization and Source Identification of Particulate Matter at an Urban Site of Navi Mumbai, India by Kothai, P., Saradhi, I.V., Pandit, G.G., Markwitz, A., Puranik, V.D.

“…Particulate matter samples were collected using a dichotomous sampler at a residential area of Vashi situated in Navi Mumbai, India during the period of 2008…”
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Global environmental transfer of 129I by Sunny, Faby, Nair, R.N., Chopra, Manish, Puranik, V.D.

“…•A compartmental model is used to estimate the transfer of 129I through various environmental segments.•Scenario of initial release to each of the compartments…”
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Study of uranium isotopic composition in groundwater and deviation from secular equilibrium condition by Tripathi, R. M., Sahoo, S. K., Mohapatra, S., Lenka, P., Dubey, J. S., Puranik, V. D.

“…Uranium concentration in groundwater reflect both redox conditions and uranium content in host rock. In the present study an attempt has been made to study the…”
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Source Apportionment of Coarse and Fine Particulate Matter at Navi Mumbai, India by Saradhi, I.V., Prathibha, P., Hopke, Philip K., Pandit, G.G., Puranik, V.D.

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Thermodynamic and kinetic investigations of uranium adsorption on soil by Mishra, S., Maity, S., Bhalke, S., Pandit, G. G., Puranik, V. D., Kushwaha, H. S.

“…In order to understand the mobility of uranium it is very important to know about its sorption kinetics and the thermodynamics behind the sorption process on…”
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Determination of methylmercury and mercury(II) in a marine ecosystem using solid-phase microextraction gas chromatography-mass spectrometry by Mishra, S., Tripathi, R.M., Bhalke, S., Shukla, V.K., Puranik, V.D.

“…A solvent free solid-phase microextraction (SPME) method has been developed to determine methyl mercury and Hg(II) in sediment, seawater and biota samples from…”
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Long-term leaching of uranium from different waste matrices by Patra, A. Chakrabarty, Sumesh, C.G., Mohapatra, S., Sahoo, S.K., Tripathi, R.M., Puranik, V.D.

“…A semi-dynamic leaching test was carried out for metallurgical wastes and ore samples from the uranium and copper mining industry over a 142 day period using…”
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Constrains in gamma spectrometry analysis of fallout [sup.137]Cs in coastal marine environment of Arabian sea in India by Sartandel, S.J, Jha, S.K, Puranik, V.D

“…In this study, an accurate faster gamma spectrometry method for measuring the low level activity concentrations of [sup.137]Cs using in situ pre-concentration…”
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Measurement of naturally occurring radioactive materials (NORM) in beach sand minerals using HPGe based gamma-ray spectrometry by Sartandel, S. J., Bara, S. V., Chinnaesakki, S., Tripathi, R. M., Puranik, V. D.

“…This paper discusses the measurement of naturally occurring radioactivity materials (NORM) in beach sand minerals using high resolution gamma spectrometry. In…”
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Performance of HPGe gamma spectrometry system for the measurement of low level radioactivity by Chinnaesakki, S., Bara, S. V., Sartandel, S. J., Tripathi, R. M., Puranik, V. D.

“…Comprehensive quality assurance/quality control procedure is very much necessary to obtain accurate and precise analytical measurement result. This paper…”
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Radioactive series disequilibria in underground uranium deposits of the Singhbhum Shear Zone, Eastern India by Patra, A. Chakrabarty, Mohapatra, S, Sahoo, S.K, Tripathi, R.M, Puranik, V.D

“…Radionuclides of the [sup.238]U series ([sup.226]Ra, [sup.210]Pb, [sup.234]Th and [sup.234]U), [sup.235]U series ([sup.227]Ac and [sup.231]Pa) and [sup.232]Th…”
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Natural radioactivity in surface marine sediments near the shore of Vizag, South East India and associated radiological risk by Tripathi, R. M., Patra, A. C., Mohapatra, S., Sahoo, S. K., Kumar, A. V., Puranik, V. D.

“…Naturally occurring radioactive materials were determined in surface sediments from the marine environment near the shore of Vizag in the South eastern part of…”
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Trace metals and organometals in selected marine species and preliminary risk assessment to human beings in Thane Creek area, Mumbai by Mishra, S., Bhalke, S., Saradhi, I.V., Suseela, B., Tripathi, R.M., Pandit, G.G., Puranik, V.D.

“…Trace metals and organometals were estimated in different types of marine organisms (fish, bivalve, crab and prawn) collected from the Trans-Thane Creek area,…”
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