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SINTESIS CoFe2O4/SiO2/Ag UNTUK ADSORPSI ZAT WARNA METILEN BIRU DAN UJI ANTIBAKTERI

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Penilaian

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Research has been carried out on the synthesis of CoFe2O4/SiO2/Ag for adsorption of methylene blue dye and antibacterial test. The results of the synthesis were characterized using XRD, SEM-EDS and VSM. The results of XRD characterization showed the highest intensity was located at 2θ = 35.82o with a crystal size of 7.34 nm. The results of SEM-EDS characterization showed heterogeneous morphology with constituent elements include of Co (8.66%), Fe (16.67), O (38.33%), Si (0.97%) and Ag (25.90%). The results of the VSM characterization of the hysteresis curve resulted in a saturation magnetization of CoFe2O4/SiO2/Ag of 41.82 emu/g. CoFe2O4/SiO2/Ag have a pHpzc value at 8.The optimum condition for the adsorption of CoFe2O4/SiO2/Ag to methylene blue is pH 9 with a dye concentration of 20 mg/L and a contact time of 40 minutes with an adsorption percentage of 95.37%. The adsorption isotherm of CoFe2O4/SiO2/Ag against methylene blue corresponds to the Freundlich isotherm with a regression value of 0.9222. The adsorption kinetics of CoFe2O4/SiO2/Ag against methylene blue followed a pseudo second-order adsorption kinetics model with a regression value of 0.9987. CoFe2O4/SiO2/Ag has antibacterial properties that can inhibit the activity of Escherichia coli and Staphylococcus aureus bacteria with a minimum inhibitory concentration (MIC) of 0.625 µg/mL. A better zone of inhibition was produced by Staphylococcus aureus bacteria.

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Availability

Inventory Code	Barcode	Call Number	Location	Status
2207004676	T82660	T826602022	Central Library (Referens)	Available but not for loan - Not for Loan

Detail Information

Series Title

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Call Number

T826602022

Publisher

Inderalaya : Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya., 2022

Collation

xviii, 78 hlm.; ilus.; 29 cm

Language

Indonesia

ISBN/ISSN

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Classification

541.307

Content Type

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Media Type

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Carrier Type

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Edition

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Subject(s)

Jurusan Kimia
Kimia Fisik

Specific Detail Info

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Statement of Responsibility

SEPTA

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