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
Geoderma – Elsevier
Published: Feb 15, 2019
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