The World Academy of Sciences (TWAS-CNPq) Postdoctoral Fellow
Centro de Ciências, Universidade Federal do Ceará, Fortaleza- CE, Brazil (2011-12)   
        
Ph.D., Department of Chemistry, University of Delhi (2006); 
Title: Synthesis, Physico-chemical and Thermal Characterization of Organometallic Complexes
with ligands containing N-, S- as donor atoms. Advisor: Professor N K Kaushik.
                                                                                              
M. Sc. (Inorganic Chemistry), Department of Chemistry, University of Delhi (2001)
 
B. Sc. Chemistry (Honors), Hindu College, University of Delhi (1999)

35. Adsorption of malachite green and chrysoidine-Y by Sn-pillared clay, L Raghav, P Patanjali, I Chopra & Rajeev Singh*, Environmental Quality Management (Wiley), 32 (3), 181-193, (ISSN: 1520-6483), (https://doi.org/10.1002/tqem.21888)                    (2023) 

34. Adsorption and kinetic studies for removal of basic dyes using pillared bentonites, L Raghav, P Patanjali, I Chopra & Rajeev Singh*, Indian Journal of Chemical Technology, 29 (1), pp 47-53, (ISSN: 0975-0991) (IF: 0.76) (2022)   (http://nopr.niscair.res.in/handle/123456789/59578)                                 

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33. Organobentonite as an Efficient and Reusable Adsorbent for Cationic Dyes Removal from Aqueous Solution, P Patanjali, I Chopra, A Mandal, Rajeev Singh*, Journal of Scientific & Industrial Research, 80 (01), 80-86 (ISSN: 0975-1084) (IF: 0.55) (2021)(http://nopr.niscair.res.in/handle/123456789/55851)

32. Green synthesis of gold nanoparticles from Combretum indicum and their characterization, S S Gupta, P Patanjali, N K Mishra, A Kumar, I Chopra & Rajeev Singh*, Indian Journal of Chemical Technology, 28 (6), (ISSN: 0975-0991) (IF: 0.76) (2021)(http://nopr.niscair.res.in/handle/123456789/59047)

31. Kinetics and isotherm studies for adsorptive removal of methylene blue from aqueous solutions using organoclay, P Patanjali, I Chopra, A Mandal & Rajeev Singh^*, Indian Journal of Chemical Technology, 28, 86-93, (ISSN: 0975-0991) (IF: 0.76) (2021)(http://op.niscair.res.in/index.php/IJCT/article/view/43063)