Search Results - "Balarama Krishna, M.V."

Removal and preconcentration of inorganic and methyl mercury from aqueous media using a sorbent prepared from the plant Coriandrum sativum by Karunasagar, D., Balarama Krishna, M.V., Rao, S.V., Arunachalam, J.

“…A sorbent prepared from the plant Coriandrum sativum, commonly known as coriander or Chinese parsley, was observed to remove inorganic (Hg 2+) and methyl…”
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An integrated approach based on oxidative pyrolysis and microwave-assisted digestion for the multi-elemental analysis of coal samples by ICP-based techniques by Balarama Krishna, M.V., Chandrasekaran, K., Chakravarthy, S., Karunasagar, D.

“…[Display omitted] . •Oxidative pyrolysis and microwave-assisted digestion used for complete dissolution of coal samples.•Requires diluted acids for…”
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On-line preconcentration and recovery of palladium from waters using polyaniline (PANI) loaded in mini-column and determination by ICP-MS; elimination of spectral interferences by Krishna, M.V. Balarama, Ranjit, Manjusha, Chandrasekaran, K., Venkateswarlu, G., Karunasagar, D.

“…The applicability of polyaniline (PANI) for the on-line preconcentration and recovery of palladium from various water samples has been investigated. Batch…”
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Studies of mercury pollution in a lake due to a thermometer factory situated in a tourist resort: Kodaikkanal, India by Karunasagar, D., Balarama Krishna, M.V., Anjaneyulu, Y., Arunachalam, J.

“…Kodaikkanal, India, suffered mercury contamination due to emissions and waste from a thermometer factory. Kodai Lake is situated to the north of the factory…”
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Removal of 137Cs and 90Sr from actual low level radioactive waste solutions using moss as a phyto-sorbent by BALARAMA KRISHNA, M. V, RAO, S. V, ARUNACHALAM, J, MURALI, M. S, KUMAR, Surendra, MANCHANDA, V. K

“…Moss (Funaria hygrometrica) used as phyto-sorbent, was evaluated for its potential for the removal of 137Cs and 90Sr from actual low level radioactive waste…”
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Multi-element characterization of high purity cadmium using inductively coupled plasma quadrupole mass spectrometry and glow-discharge quadrupole mass spectrometry by Balarama Krishna, M.V., Shekhar, R., Karunasagar, D., Arunachalam, J.

“…Trace element impurities in high purity cadmium were determined after absorption of trace impurities on Dowex-50WX8 from 0.2 M HNO 3 + 0.25 M HCl medium…”
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Ultrasound-assisted extraction procedure for the fast estimation of major, minor and trace elements in lichen and mussel samples by ICP-MS and ICP-AES by Krishna, M.V. Balarama, Arunachalam, J.

“…The application of ultrasound-assisted extraction procedure has been examined for the estimation of major, minor and trace elements in a set of…”
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On-line speciation of inorganic and methyl mercury in waters and fish tissues using polyaniline micro-column and flow injection-chemical vapour generation-inductively coupled plasma mass spectrometry (FI-CVG-ICPMS) by Balarama Krishna, M.V., Chandrasekaran, K., Karunasagar, D.

“…A simple and efficient method for the determination of ultra-trace amounts of inorganic mercury (iHg) and methylmercury (MeHg) in waters and fish tissues was…”
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Speciation of Cr(III) and Cr(VI) in waters using immobilized moss and determination by ICP-MS and FAAS by Balarama Krishna, M.V., Chandrasekaran, K., Rao, Sarva V., Karunasagar, D., Arunachalam, J.

“…The possibility of using moss ( Funaria hygrometrica), immobilized in a polysilicate matrix as substrate for speciation of Cr(III) and Cr(VI) in various water…”
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Preconcentration and speciation of inorganic and methyl mercury in waters using polyaniline and gold trap-CVAAS by Balarama Krishna, M.V., Karunasagar, D., Rao, S.V., Arunachalam, J.

“…Applicability of polyaniline (PANI) has been investigated for the preconcentration and speciation of inorganic mercury (Hg 2+) and methyl mercury (CH 3Hg +) in…”
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A rapid ultrasound-assisted thiourea extraction method for the determination of inorganic and methyl mercury in biological and environmental samples by CVAAS by Krishna, M.V. Balarama, Ranjit, Manjusha, Karunasagar, D., Arunachalam, J.

“…A rapid ultrasound-assisted extraction procedure for the determination of total mercury, inorganic and methyl mercury (MM) in various environmental matrices…”
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Analysis of caffeic acid derivatives in echinacea extracts by liquid chromatography particle beam mass spectrometry (LC–PB/MS) employing electron impact and glow discharge ionization sources by Castro, Joaudimir, Krishna, M. V. Balarama, Choiniere, John R., Marcus, R. Kenneth

“…A liquid chromatography–particle beam/mass spectrometry (LC–PB/MS) method with electron impact (EI) and glow discharge (GD) ionization sources is presented for…”
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Liquid Chromatography-Particle Beam Electron Ionization Mass Spectrometry Method for Analysis of Botanical Extracts: Evaluation of Ephedrine Alkaloids in Standard Reference Materials by CASTRO, Joaudimir, KRISHNA, M. V. Balarama, MARCUS, R. Kenneth

“…The preliminary validation of a high-performance liquid chromatography particle beam mass spectrometry method (HPLC-PB/MS) with electron impact ionization…”
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Role of cathode identity in liquid chromatography particle beam glow discharge mass spectrometry by Krishna, M.V. Balarama, Marcus, R.K.

“…A detailed evaluation of the role of cathode identity on the analytical and spectral characteristics of various organic, organometallic and metal analytes…”
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Study of mercury pollution near a thermometer factory using lichens and mosses by Balarama Krishna, M.V, Karunasagar, D, Arunachalam, J

“…Lichens and mosses were effective as biomonitors of mercury…”
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Removal of [formula omitted] and [formula omitted] from actual low level radioactive waste solutions using moss as a phyto-sorbent by Balarama Krishna, M.V, Rao, S.V, Arunachalam, J, Murali, M.S, Kumar, Surendra, Manchanda, V.K

“…Moss ( Funaria hygrometrica) used as phyto-sorbent, was evaluated for its potential for the removal of 137 Cs and 90 Sr from actual low level radioactive waste…”
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Trace element analysis of high purity arsenic through vapour phase dissolution and ICP-QMS by Balarama Krishna, M.V, Arunachalam, J

“…Vapour phase dissolution (VPD) has been used for the dissolution of high purity arsenic through acid vapours generated by aquaregia mixture, prior to trace…”
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