Influence of octanohydroxamic acid on the association behavior of cationic surfactants: Hydrolytic cleavage of phosphate ester

Satnami, Manmohan L.; Dewangan, Hitesh Kumar; Kandpal, Neha; Nagwanshi, Rekha; Ghosh, Kallol K.

doi:10.1016/j.molliq.2016.06.052

Cited by 6 publications

(3 citation statements)

References 48 publications

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“…They are 0.93, 3.8, and 14.5 mM, respectively. These data are consistent with the results in a previous report . The shorter the hydrophobic chains of the surfactants, less easily is the aggregation in solution.…”

Section: Resultssupporting

confidence: 93%

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Effect of Cationic Surfactants with Different Counterions on the Growth of Au Nanoclusters

Song

Hao

2018

Langmuir

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The influence of a series of cationic surfactants composed of cetyltrimethylammonium cations with different counterions (Br, Cl, OH, CHOS, [CeClBr], and NO) on the aging process of gold nanoclusters (Au NCs) was studied. The finely different points of Au NCs treated by different surfactants were demonstrated by UV-vis and fluorescence spectra, transmission electron microscopy images, etc. Because of the difference of counterions, these surfactants have diverse physicochemical properties in surface activity, specific conductivity, pH, and viscosity, which may account for the difference of Au NCs in the aging process. In addition, the affinity of the counterions in surfactants to the surface of Au has also been demonstrated completely. This affinity may further guide the difference of the synthesized Au nanomaterials.

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Section: Resultssupporting

confidence: 93%

“…These data are consistent with the results in a previous report. 46 The shorter the hydrophobic chains of the surfactants, less easily is the aggregation in solution. For DTAB, it does not reach its cmc when the concentration is 5 mM.…”

Section: Resultsmentioning

confidence: 86%

Effect of Cationic Surfactants with Different Counterions on the Growth of Au Nanoclusters

Song

Hao

2018

Langmuir

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“…Rosen et al [49] calculate n as n = n 1 • X 1 + n 2 • X 2 being n 1 and n 2 the number of species of the single surfactants and X 1 and X 2 the mole fractions of the surfactants in the mixed monolayer adsorbed in the interface liquid-air. Some authors consider the addition of the individual n values, reaching values of 4 or even 5 for some surfactant mixtures [50][51][52] whereas other ones take n = 2 [53,54]. On the other hand it has been reported by Eastoe [55,56] and Thomas [57][58][59] that impurities of divalent cations would diminish n to values lower than 2.…”

Section: By Surface Tension Measurementsmentioning

confidence: 99%

Hexadecyltrimethylammonium bromide (CTA-Br) and 1-butyl-3-methylimidazolium tetrafluoroborate (bmim-BF4) in aqueous solution: An ephemeral binary system

Comelles

Ribosa

González

et al. 2017

Journal of Colloid and Interface Science

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Turbidity immediately appearing when the compounds are mixed in water suggests the spontaneous formation of the low soluble compound hexadecyltrimethylammonium tetrafluoroborate (CTA-BF), together with the salt formed by the respective counterions bmimand Br in solution. For α≠0.5, furthermore of the mentioned compounds, the spare bmim-BF (for α<0.5) or CTA-Br (for α>0.5), are also present in the aqueous solution. Systems containing excess of bmim-BF show a low critical aggregate concentration (cac), but an unexpected high surface tension at cac (γ≈53-56mN/m), as pure CTA-BF. For systems containing excess of CTA-Br, cac increases but γ decreases up to 36mN/m. Mixtures of pure CTA-BF and bmim-BF or CTA-Br behave as typical binary surfactant systems.

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An investigation of kinetic and physicochemical properties of vesicular surfactants with oximate and hydroxamate ions: Hydrolytic reactions of organophosphorus pesticides

Kandpal

Dewangan

Nagwanshi³

et al. 2017

Journal of Molecular Liquids

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Influence of octanohydroxamic acid on the association behavior of cationic surfactants: Hydrolytic cleavage of phosphate ester

Cited by 6 publications

References 48 publications

Effect of Cationic Surfactants with Different Counterions on the Growth of Au Nanoclusters

Effect of Cationic Surfactants with Different Counterions on the Growth of Au Nanoclusters

Hexadecyltrimethylammonium bromide (CTA-Br) and 1-butyl-3-methylimidazolium tetrafluoroborate (bmim-BF4) in aqueous solution: An ephemeral binary system

An investigation of kinetic and physicochemical properties of vesicular surfactants with oximate and hydroxamate ions: Hydrolytic reactions of organophosphorus pesticides

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