Comparison in the aggregation behaviour of amide extractant systems by dynamic light scattering and ATR-FTIR spectroscopy

Comparison in the aggregation behaviour of amide extractant systems by dynamic light scattering... Colloids and Surfaces A 538 (2018) 651–660 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research paper Comparison in the aggregation behaviour of amide extractant systems by dynamic light scattering and ATR-FTIR spectroscopy a,b a, a,b T. Prathibha , K.A. Venkatesan , M.P Antony Materials Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603 102, India Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The aggregation behavior of N,N,N’,N’-tetraoctyldiglycolamide (TODGA) in n-dodecane was studied in the Solvent extraction presence of two different phase modifiers, N,N-di-hexyloctanamide (DHOA) and 1-octanol using dynamic light Dynamic light scattering scattering (DLS) spectroscopy. The results were compared with the aggregation behavior of a modifier free Aggregation extractant system N,N-di-octyl-2-hydroxyacetamide (DOHyA) in n-dodecane. Aggregation studies were done as a Neodymium function of concentration of nitric acid and Nd (III) ions in the aqueous phase. The size distribution of reverse Diglycolamide micellar aggregates revealed different aggregation mechanisms in the presence and absence of phase modifiers. Hydroxyacetamide For TODGA-modifier systems, the sizes of reverse micellar aggregates were bigger than DOHyA and among the IR spectroscopy two http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geoderma Elsevier

Comparison in the aggregation behaviour of amide extractant systems by dynamic light scattering and ATR-FTIR spectroscopy

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0016-7061
eISSN
1872-6259
D.O.I.
10.1016/j.colsurfa.2017.11.035
Publisher site
See Article on Publisher Site

Abstract

Colloids and Surfaces A 538 (2018) 651–660 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research paper Comparison in the aggregation behaviour of amide extractant systems by dynamic light scattering and ATR-FTIR spectroscopy a,b a, a,b T. Prathibha , K.A. Venkatesan , M.P Antony Materials Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603 102, India Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The aggregation behavior of N,N,N’,N’-tetraoctyldiglycolamide (TODGA) in n-dodecane was studied in the Solvent extraction presence of two different phase modifiers, N,N-di-hexyloctanamide (DHOA) and 1-octanol using dynamic light Dynamic light scattering scattering (DLS) spectroscopy. The results were compared with the aggregation behavior of a modifier free Aggregation extractant system N,N-di-octyl-2-hydroxyacetamide (DOHyA) in n-dodecane. Aggregation studies were done as a Neodymium function of concentration of nitric acid and Nd (III) ions in the aqueous phase. The size distribution of reverse Diglycolamide micellar aggregates revealed different aggregation mechanisms in the presence and absence of phase modifiers. Hydroxyacetamide For TODGA-modifier systems, the sizes of reverse micellar aggregates were bigger than DOHyA and among the IR spectroscopy two

Journal

GeodermaElsevier

Published: Feb 15, 2019

References

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