Chemical speciation of binary complexes of L-valine with Co(II), Ni(II) and Cu(II) in propylene glycol–water mixtures

2013 ◽  
Vol 25 (1) ◽  
pp. 57-62
Author(s):  
Peketi Bhushanavathi ◽  
Boddu Veeraswami ◽  
Uppuleti Viplavaprasad ◽  
Gollapalli Nageswara Rao
2012 ◽  
Vol 24 (4) ◽  
pp. 241-247 ◽  
Author(s):  
K. Bharath Kumar Naik ◽  
S. Raju ◽  
B. Ananda Kumar ◽  
G. Nageswara Rao

2018 ◽  
Vol 6 (9) ◽  
pp. 184-195
Author(s):  
WondimuTesfa Tefera ◽  
WakgariBungula Negassa ◽  
Tajedin Alansi ◽  
TegeneDesalegn Zeleke ◽  
HadguHailekiros Belay

2009 ◽  
Vol 74 (7) ◽  
pp. 745-754
Author(s):  
Bathula Srikanth ◽  
Srinivasa Rao ◽  
Siva Rao ◽  
Kamala Sastry ◽  
Nageswara Rao

Speciation of Co(II), Ni(II), Cu(II) and Zn(II) complexes with succinic acid in the presence of anionic, cationic and non-ionic surfactants at an ionic strength of 0.16 mol dm-3 and temperature 303 K were investigated pH metrically. The existence of different binary complex species was established from modelling studies using the computer program MINIQUAD75. The decreased stability of the complexes with increasing micellar content was explained by electrostatic forces. The influence of the micelles on the chemical speciation is discussed based on the mole fraction of the medium. Distribution diagrams of various species of the complexes in relation to pH are presented.


2000 ◽  
Vol 10 (PR7) ◽  
pp. Pr7-271-Pr7-274 ◽  
Author(s):  
A. Schönhals ◽  
H. Goering ◽  
K.-W. Brzezinka ◽  
Ch. Schick

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