Ultrasound assisted extraction of Maxilon Red GRL dye from water samples using cobalt ferrite nanoparticles loaded on activated carbon as sorbent: Optimization and modeling
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Extraction and preconcentration of Pb(II) from water and soil samples using modified activated carbon
In this work, a new extractant was prepared by immobilizing ligand 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol, (5-Br-PADAP), on the activated carbon and applied to extraction of Pb(II) prior to determination by flame atomic absorption spectrometry. It was confirmed by FT- IR analysis. The metal ion was retained on the 0.05 g of the sorbent in the pH range 6-8, and then eluted with 5 mL of 0....
متن کاملModeling and Optimization of Anethole Ultrasound-Assisted Extraction from Fennel Seeds using Artificial Neural Network
Extraction of essential oils from medicinal plants has received researcher’s attention as it has a wide variety of applications in different industries. In this study, ultrasonic method has been used to facilitate the extraction of active ingredient anethole from fennel seeds. Effect of different parameters like extraction time (20, 40, and 60 min), power (80, 240, and 400 Watts) and solid part...
متن کاملextraction and preconcentration of pb(ii) from water and soil samples using modified activated carbon
in this work, a new extractant was prepared by immobilizing ligand 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol, (5-br-padap), on the activated carbon and applied to extraction of pb(ii) prior to determination by flame atomic absorption spectrometry. it was confirmed by ft- ir analysis. the metal ion was retained on the 0.05 g of the sorbent in the ph range 6-8, and then eluted with 5 ml of 0....
متن کاملHydroxyapatite/Fe3O4 Nanocomposite as Efficient Sorbent for the Extraction of Phthalate Esters from Water Samples
In this study, we demonstrate the application of newly developed magnetic potassium substituted hydroxyapatite (KHA/Fe3O4) for the extraction of phthalate esters (PE) from water samples. Nanoparticles of KHA were synthesized through an easy alkoxide–based sol–gel technique. The structure of nanocomposite was characterized by X–ray diffraction (XRD), Fourier transform infrared (FTIR) analysis, a...
متن کاملOptimization of phenol and flavonoid extraction compound of Adiantum capillus-veneris L. using ultrasound assisted extraction
Background: Antioxidants are molecules which able to control free radicals and prevent the oxidants of other molecules considering undesirable effects of synthetic anti oxidant. In recent years using of natural anti oxidant gets the great importance. The secondary metabolisms of plants are rich sources of phenol and flavonoids considered as the most important natural antioxidant. Objective: In...
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ژورنال
عنوان ژورنال: Ultrasonics Sonochemistry
سال: 2017
ISSN: 1350-4177
DOI: 10.1016/j.ultsonch.2016.08.012