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Items: 15

1.

RETRACTED: Preconcentration and solid-phase extraction of beryllium, lead, nickel, and bismuth from various water samples using 2-propylpiperidine-1-carbodithioate with flame atomic absorption spectrometry (FAAS).

Suvardhan K, Kumar KS, Rekha D, Jayaraj B, Krishnamurthy Naidu G, Chiranjeevi P.

Talanta. 2006 Jan 15;68(3):735-40. doi: 10.1016/j.talanta.2005.05.020.

PMID:
18970383
2.

RETRACTED: Simultaneous flow-through determination of nitrites, nitrates and their mixtures in environmental and biological samples using spectrophotometry.

Suvardhan K, Suresh kumar K, Hari babu S, Jayaraj B, Chiranjeevi P.

Talanta. 2005 Apr 15;66(2):505-12. doi: 10.1016/j.talanta.2004.11.025.

PMID:
18970014
3.

RETRACTED: A simple spectrophotometric technique for the determination of carbaryl pesticides in various environments.

Manjubhashini AB, Raman GK, Kumar AS, Chiranjeevi P.

Talanta. 2003 Apr 10;59(5):1015-9. doi: 10.1016/S0039-9140(03)00007-9.

PMID:
18968992
4.

RETRACTED: Spectrophotometric determination of Fenitrothion in formulations and environmental samples.

Subrahmanyam P, Krishnapriya B, Reddy LR, Jayaraj B, Chiranjeevi P.

Talanta. 2007 Apr 15;72(1):106-12. doi: 10.1016/j.talanta.2006.10.003.

PMID:
19071589
5.
6.

RETRACTED: Development of novel reactions for the simple and sensitive spectrophotometric determination of vanadium in various samples.

Kumar KS, Suvardhan K, Krishnaiah L, Rekha D, Kiran K, Janardhanam K, Jayaraj B, Chiranjeevi P.

Talanta. 2007 Feb 15;71(2):588-95. doi: 10.1016/j.talanta.2006.04.037.

PMID:
19071345
7.

Determination of Co(II) in water and soil samples using spectrophotometry coupled with preconcentration on 4-amino methyl pyridine anchored silica gel column.

Sivani C, Ramakrishna Naidu G, Narasimhulu J, Rekha D, Dilip Kumar J, Chiranjeevi P.

J Hazard Mater. 2007 Jul 19;146(1-2):137-41. Retraction in: J Hazard Mater. 2008 Jul 15;155(3):610.

PMID:
17222507
8.
9.

Simple, selective and sensitive spectrophotometric determination of fenitrothion using novel chromogenic reagent.

Subrahmanyam P, Krishnapriya B, Suvardhan K, Rekha D, Suneeta Y, Jayaraj B, Chiranjeevi P.

J Hazard Mater. 2007 Jul 19;146(1-2):51-7. Retraction in: J Hazard Mater. 2008 Jun 15;154(1-3):1210.

PMID:
17188809
10.

Novel analytical reagent for the application of cloud-point preconcentration and flame atomic absorption spectrometric determination of nickel in natural water samples.

Suvardhan K, Rekha D, Kumar KS, Prasad PR, Kumar JD, Jayaraj B, Chiranjeevi P.

J Hazard Mater. 2007 Jun 1;144(1-2):126-31. Retraction in: J Hazard Mater. 2008 May 1;153(1-2):899.

PMID:
17110022
11.

Cloud point extraction of palladium in water samples and alloy mixtures using new synthesized reagent with flame atomic absorption spectrometry (FAAS).

Priya BK, Subrahmanayam P, Suvardhan K, Kumar KS, Rekha D, Rao AV, Rao GC, Chiranjeevi P.

J Hazard Mater. 2007 Jun 1;144(1-2):152-8. Retraction in: J Hazard Mater. 2008 May 30;153(3):1320.

PMID:
17097229
12.

Spectrophotometric determination of V(V) in environmental, biological, pharmaceutical and alloy samples by novel oxidative coupling reactions.

Rekha D, Suvardhan K, Kumar KS, Subrahmanyam P, Jayaraj B, Naidu GR, Chiranjeevi P.

J Hazard Mater. 2007 Feb 9;140(1-2):180-6. Retraction in: J Hazard Mater. 2008 Apr 15;152(3):1340.

PMID:
16872742
13.

Studies of selenium in environmental samples and synthetic mixtures by spectrophotometry.

Suvardhan K, Krishnaiah L, Suresh Kumar K, Rekha D, Jayaraj B, Ramanaiah S, Chiranjeevi P.

Chemosphere. 2006 Feb;62(6):899-904. Retraction in: Chemosphere. 2008 May;71(11):2199.

PMID:
16040081
14.
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