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Synthesis and Application of Activated Carbon Magnetic Nanocomposite Modified by Calcium Oxide for Removal of Malachite Green dye from Aqueous Solution: Isotherm and Kinetic Study of Adsorption Process [PDF]

open access: yesآب و فاضلاب, 2021
Dyes are one of the most important industrial environmental pollutants, and therefore their removal from industrial wastewater is very important. The malachite green is a very toxic dye for the environment and humans, therefore an economical and high ...
Reza Abdollahi   +2 more
doaj   +1 more source

A New Spectrophotometric Method for Determination of Tartrazine in Saffron Samples Based on Modified Magnetic Graphene Oxide Nanocomposite [PDF]

open access: yesPizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2021
Quality control in agricultural products has always been noticed. In the present study, a new pre-concentration technique for the determination of Tartrazine (TZ) in saffron samples by employing Fe3O4/Graphene oxide-COOH as an adsorbent is presented ...
Ebrahim Fooladi   +3 more
doaj   +1 more source

Functionalization of Fe3O4 nanoparticles with propylaminopyridine and its use as an efficient catalyst in the synthesis of novel 4,8-dihydro-1H-pyrimido[1,2-a]pyrimidines [PDF]

open access: yesشیمی کاربردی روز, 2022
In this study, at first, 2-amino-1,4-dihydropyrimidine was synthesized by the reaction of guanidine hydrochloride, 4-methybenzaldehyde and ethyl benzoylacetate in the presence of sodium hydrogencarbonate as catalyst.
Hassan Kefayati   +2 more
doaj   +1 more source

Investigating The Effect of Magnetite (Fe3O4) Nanoparticles on Mechanical Properties of Epoxy Resin [PDF]

open access: yesEngineering and Technology Journal, 2021
In this paper, study the effects of magnetite nanomaterial Fe3O4 on the mechanical properties of epoxy. Dispersion of Fe3O4 nanoparticles in the epoxy resin was performed by ultrasonication.
Ehab Kaadhm   +2 more
doaj   +1 more source

A Review of Structure, Properties, and Chemical Synthesis of Magnetite Nanoparticles [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2023
Extensive studies were devoted to iron oxide nanoparticles (IONPs), in recent years. Iron oxides are chemical compounds that have various polymorphic forms, including maghemite (γ-Fe2O3), magnetite (Fe3O4), and Hematite (α-Fe2O3).
Nwar Yousif   +3 more
doaj   +1 more source

بررسی کارایی پراکسی مونوسولفات فعال شده با نانوذرات Fe3O4 در تجزیه رنگ راکتیو بلک 5 از محلول های آبی [PDF]

open access: yesPizhūhish dar Bihdāsht-i Muḥīṭ., 2021
زمینه و هدف: در سال های اخیر آزاد سازی آلاینده های پایدار از تصفیه خانه فاضلاب به محیط زیست منجر به مشکلات سلامتی و اکوسیستمی شده است. از اینرو هدف از مطالعه حاضر فعال سازی هتروژنی پراکسی مونوسولفات (PMS) با نانوذرات مگنتیک (Fe3O4) برای تجزیه راکتیو بلک ...
محسن رضایی   +1 more
doaj   +1 more source

Preparation of magnetic nanoparticles by one step synthesis with morphology of particles changed based on time of reaction and temperature treatment

open access: yesJournal of Experimental Nanoscience, 2021
In present study, nanosized iron oxides particles are synthetised by easy one step precipitation from Mohric salt (NH4)2Fe(SO4)2·6H2O reacting with sodium hydroxide solution in temperature up to 60 °C.
Tomáš Solný   +7 more
doaj   +1 more source

Preparation of hydrophobic magnetic calcium carbonate and its oil removal properties

open access: yesCailiao gongcheng, 2022
The hydrophobic magnetic materials of HMC-1 and HMC-2 were obtained by blending synthesized Fe3O4 nanoparticles and commercial CaCO3 powder with stearic acid solution, which is used as hydrophobic modifier.
LIN Shihong, YE Baofang, WANG Yongjing
doaj   +1 more source

Synthesis and Characterization of Immobilized Polyoxophosphomolybdate on the Surface of Magnetic Nanoparticles as Recoverable and Efficient New Catalyst for Epoxidation of Olefins [PDF]

open access: yesشیمی کاربردی روز, 2018
New nanocatalyst Fe3O4@MnPOM, was successfully synthesized by covalent bonding of polyoxomolybdate [PMnMo11O39]5‒ on the amino-functionalized Fe3O4@SiO2. The synthesized nanomaterials were characterized by a series of spectroscopic techniques including X-
Zeinab Moradi-Shoeili   +3 more
doaj   +1 more source

Sintesis dan Karakterisasi Struktur dan Sifat Magnet Nanokomposit Fe3O4@PEG:ZnO

open access: yesIndonesian Journal of Applied Physics, 2022
Fe3O4@PEG:ZnO nanocomposites were synthesized by the coprecipitation method with various of the samples were Fe3O4, Fe3O4@ZnO (1:1), Fe3O4@PEG: ZnO (1:2), and Fe3O4@ PEG: ZnO (1:3).
Astuti Astuti   +3 more
doaj   +1 more source

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