Topic
Brilliant green
About: Brilliant green is a research topic. Over the lifetime, 627 publications have been published within this topic receiving 12495 citations.
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TL;DR: In this article, the equilibrium and kinetic parameters of acid-base reactions in toluene were analyzed spectrophotometrically and the rate constant of the forward step of the acid-carbinol base equilbrium was found to provide a suitable scale of basicities.
7 citations
TL;DR: In this paper, the authors investigated the adsorption and preconcentration of Brilliant Green (BG) on Fe3O4 magnetic nanoparticles functionalized with cetyltrimethylamonium bromide (CTAB) in a batch system.
Abstract: Adsorptive removal and preconcentration of Brilliant Green (BG) on Fe3O4 magnetic nanoparticles functionalized with cetyltrimethylamonium bromide (CTAB) was investigated in a batch system. The method was based on the analyte adsorption and direct determination by UV–visible spectrophotometry. Various experimental factors such as pH, adsorbent dose (m) and initial concentration (cd) were evaluated and optimized using Box-Behnken design through adsorption of BG on the modified adsorbent. The optimized conditions for maximum removal efficacy (99%) were: pH 9; amount of nanoparticles, 7.1 mg; CTAB, 5.4 mg and cd = 100 mg/L. Under optimum conditions, preconcentration of BG with enrichment factor of 35, LOD = 4 µg/L and RSD = 2.7% (n = 10) for 10 µg/L sample were achieved. The maximum monolayer adsorption of BG onto nano-Fe3O4‒CTAB through running Langmuir isotherm was obtained as 416 mg/g. The morphology and characteristics of the prepared nano-Fe3O4‒CTAB were investigated by scanning electron microscopy, X-ray diffraction, vibrating sample magnetometer, Fourier transform infrared spectroscopy and thermogravimetric analysis.
7 citations
TL;DR: In this article, the synthesis of CuFe2O4 magnetite nanoparticles within the polyamidoamine dendrimers structure was used as an efficient sorbent to remove both alizarin reds (ARS) and brilliant green (BG) dyes.
7 citations
TL;DR: In this article, four new MOF/layered zinc hydroxide composites suitable for photocatalytic decomposition of organic dyes were prepared via an in situ growth on layered zinc hydride according to the solvothermal procedure and characterized by SEM, XRD, IR spectroscopy, and N2-adsorption/desorption.
7 citations
TL;DR: In this article, a calixcrown-grafted chitosan chelating polymer(3) was confirmed by elemental analysis, infrared (IR) spectrometry and X-ray diffraction (XRD) analysis.
7 citations