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pro vyhledávání: '"Brij Bhushan Tewari"'
Autor:
Brij Bhushan Tewari
Publikováno v:
Novel Perspectives of Geography, Environment and Earth Sciences Vol. 2 ISBN: 9788119039265
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eac18e29767ee6c823e1642d07cd600
https://doi.org/10.9734/bpi/npgees/v2/4185e
https://doi.org/10.9734/bpi/npgees/v2/4185e
Publikováno v:
Current Journal of Applied Science and Technology. :31-43
Effects on pH based adsorption of nucleic acid bases (thymine and uracil) at two different concentrations 1 x 10-4 M and 1 x 10-5 M on copper, cobalt and silver ferrocyanides were studied over a pH range (1.0 – 10.0) at temperature 30±1ºC. The pr
Autor:
Brij Bhushan Tewari
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 29, Iss 2, Pp 139-147 (2010)
Quantitative indication of the process of forming a complex comes from the evaluation of the stability constants, which characterize the equilibria corresponding to the successive addition of ligands. A method, involving the use of paper electrophore
Externí odkaz:
https://doaj.org/article/0d388c49d2934a2cabc9e132283f3459
Autor:
Brij Bhushan Tewari
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 23, Iss 2, Pp 291-296 (2009)
Paper electrophoresis is used for the study of equilibria in binary complex systems in solution. The stability constants of ML and ML2 complex species of some metal ions copper(II), manganese(II) and uranyl(II) with -aminobutenoic acid and hydroxy
Externí odkaz:
https://doaj.org/article/a8f417b12cdb4f83b776b34e8a078dd0
Autor:
Brij Bhushan Tewari
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 27, Iss 2, Pp 157-162 (2008)
In coordination compounds studies, a knowledge of the magnitude of the stability constants of complexes is necessary for preliminary quantitative treatment. Described herein is a method that involves the use of advanced ionophoretic technique for the
Externí odkaz:
https://doaj.org/article/08819240bfe8425f9e0336f607baa012
Autor:
Brij Bhushan Tewari
Present electrophoretic method is based upon the migration of a spot of metal ions on a paper strip at different pHs of background electrolyte. A graph of pH against mobility gives information about the binary complexes and permit to calculate their
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c508f4c285afb39735dd660e4274087a
https://doi.org/10.9734/bpi/cacs/v6/14226d
https://doi.org/10.9734/bpi/cacs/v6/14226d
Autor:
Brij Bhushan Tewari
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 19, Iss 2, Pp 257-265 (2005)
A method involving the use of paper ionophoresis is described for the study of equilibria in mixed – ligand complex systems in solution. The technique is based on the movement of a spot of metal ion under an electric field with the complexants adde
Externí odkaz:
https://doaj.org/article/177f4eb097bf4370ab1edf481c948a06
Autor:
Brij Bhushan Tewari
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 19, Iss 1, Pp 117-123 (2005)
The binary equilibria of Cu(II)-methionine, Co(II)-methionine, Cu(II)-nitrilo- triacetate, Co(II)-nitrilotriacetate and the ternary equilibria Cu(II)-nitrilotriacetate-methionine, Co(II)-nitrilotriacetate-methionine have been studied by using paper i
Externí odkaz:
https://doaj.org/article/888c31e81a1549a68fbf792c43f68a17
Autor:
Brij Bhushan Tewari
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 18, Iss 1, Pp 29-36 (2004)
The stability constants of Fe(III) and Cr(III) with methyl cysteine and nitrilotriacetate (NTA) were determined by paper electrophoretic technique. Beside binary ternary complexes have also been studied, in which nitrilotriacetate and methyl cysteine
Externí odkaz:
https://doaj.org/article/4a9ac53891a148bab0a0e21433f7ca73
Autor:
Brij Bhushan Tewari
Publikováno v:
Current Journal of Applied Science and Technology. :1-21
Environmental contamination is one of the important issues that the world is facing today, it is always expanding and leading to the grave and harmful effect on the Earth. Nanoparticles have a diameter less than 100 nm exhibit new size-dependent prop