Zobrazeno 1 - 10
of 37
pro vyhledávání: '"L. Krishnaiah"'
Autor:
Dasari Rekha, K. Kiran, K. Janardhanam, K. Suresh Kumar, Kanchi Suvardhan, L. Krishnaiah, P. Chiranjeevi, S. Hari Babu
Publikováno v:
Environmental Monitoring and Assessment. 128:241-249
A procedure was developed for the determination of Cd, Cu, Zn, Co, Ni, Mn, Pb and Mo in water samples by inductively coupled plasma atomic emission spectrometry (ICP-AES) after preconcentration on a morpholine dithiocarbamate (mor-DTC) supported by b
Publikováno v:
Journal of Analytical Chemistry. 61:560-565
Facile and sensitive spectrophotometric methods were developed for the determination of carbofuran in its formulations and environmental samples by using new reagents. The methods were based on the coupling reaction of hydrolysed product of cabofuran
Autor:
L. Krishnaiah, S. Ramanaiah, B. Jayaraj, Dasari Rekha, Kanchi Suvardhan, P. Chiranjeevi, K. Suresh Kumar
Publikováno v:
Chemosphere. 62:899-904
A rapid, highly sensitive and selective spectrophotometric method for the determination of traces of selenium(IV) is described. The method is based on oxidation of p-nitroaniline by selenium(IV) followed by coupling reaction with N-(1-naphthalene-1-y
Autor:
Kailasa Suresh Kumar, P. Chiranjeevi, Kanchi Suvardhan, L. Krishnaiah, Sunnapu Hari Babu, Lokanath B. Swaroop
Publikováno v:
Chemistry & Biodiversity. 2:386-391
A method was developed for the simple, selective, and sensitive spectrophotometric determination of lead in vegetables with synthesized chromogenic reagent 3-[(2,6-dibromo-4-methylphenyl)diazenyl)-4,5-dihydroxy-6-[(2,4,6-tribromophenyl)diazenyl]napht
Publikováno v:
Helvetica Chimica Acta. 88:343-348
Two rapid, highly sensitive, and selective spectrophotometric methods for the determination of traces of selenium(IV) were studied. The methods are based on either the oxidation of 4-aminoantipyrine (=4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyra
Autor:
Kanchi Suvardhan, Sunnapu Hari Babu, L. Krishnaiah, P. Chiranjeevi, Anna Venkata Ramana Reddy, Kailasa Suresh Kumar
Publikováno v:
Chemistrybiodiversity. 2(4)
A procedure was developed for the determination of Cu. Mn, Pb, Cd, Co, Cr, and Zn in water samples by Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) after preconcentration on synthesized 2-propylpiperidine-l-carbodithioate support
Autor:
K. Janardhanam, L. Krishnaiah, P. Chiranjeevi, K. Suresh Kumar, K. Kiran, Dasari Rekha, B. Jayaraj, Kanchi Suvardhan
Publikováno v:
Talanta. 71(2)
This article has been retracted at the request of the Editors-in-Chief. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). Reason: Considerable concern was raised about the research purportedly conduct
Environmental Monitoring Section, Department of Chemistry, S. V. University, Tirupati-517 502, India E-mail : chiranjeevi_sai@yahoo.co.in Manuscript received 26 September 2003, revised 27 September 2004, accepted 19 May 2005 Simple and sensitive spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c2494b50a94c70b4c265fc4f03adffe
Autor:
K, Suvardhan, L, Krishnaiah, K, Suresh Kumar, D, Rekha, B, Jayaraj, S, Ramanaiah, P, Chiranjeevi
Publikováno v:
Chemosphere. 62(6)
A rapid, highly sensitive and selective spectrophotometric method for the determination of traces of selenium(IV) is described. The method is based on oxidation of p-nitroaniline by selenium(IV) followed by coupling reaction with N-(1-naphthalene-1-y
Autor:
S. Prabhakar Rao, L. Krishnaiah, P. Chiranjeevi, K. Srinivasa Rao, G. R. K. Naidu, K. Suresh Kumar
Publikováno v:
Environmental monitoring and assessment. 98(1-3)
A new simple, rapid selective and highly sensitive chromogenic reagent dibromo-p-methyl-carboxyazo (DBMCA) was synthesized and studied in detail for the spectrophotometric detection of lead. In 0.25 M phosphoric acid medium, which greatly increases t