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All Journal PROSIDING SEMINAR KIMIA
Dwi Sintya Misi Arsita
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Chemistry

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OPTIMASI WAKTU PENGONTAKAN PADA MODIFIKASI SINTESIS NANOPARTIKEL PERAK DENGAN L-Sistein Dwi Sintya Misi Arsita; Alimuddin Alimuddin; Moh. Syaiful Arif
PROSIDING SEMINAR KIMIA Vol 1 No 1 (2022): Prosiding SNK 2022
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Synthesis of L-cysteine ​​modified silver nanoparticles (AgNPs) investigated. The reducing agent used in the synthesis of silver nanoparticles is trisodium citrate. The reaction between silver nitrate and trisodium citrate is indicated by a color change from clear to yellow. AgNPs were prepared with optimum contact time variations. The result of the UV-Vis spectrophotometer characterization showed that L-cysteine ​​modified silver nanoparticles (AgNPs) with an optimum contacting time of 7 hours. L-cysteine ​​modified silver nanoparticles (AgNPs) were applied as colorimetric histamine sensors. Keywords: Silver Nanoparticles (AgNPs), Optimization, UV-Vis Spectrophotometer.
Co-Authors Alimuddin Alimuddin Moh. Syaiful Arif