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All Journal JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya
Indah Nurhayati
Department of Enviromental Engineering, Faculty of Engineering, University of PGRI Adi Buana Surabaya, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Materials Science & Nanotechnology

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Electrochemical Synthesis of Nickel Hydroxide Ni(OH)2 Nanoparticles Solution for Detecting Mercury (Hg) Yanatra Budi Pramana; Djoko Adi Walujo; Marianus Subandowo; Indah Nurhayati; Fauziatul Fajaroh; Krisyanti Budipramana
JC-T (Journal Cis-Trans): Jurnal Kimia dan Terapannya Vol 5, No 2 (2021)
Publisher : State University of Malang or Universitas Negeri Malang (UM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (211.891 KB) | DOI: 10.17977/um0260v5i22021p008

Abstract

Nickel hydroxide Ni(OH)2  nanoparticles were used as sensors for mercury (Hg) in water using a UV-Vis spectrophotometer instrument. The synthesis of Ni(OH)2  nanoparticles was carried out by electrochemical method using nickel plates as anode and cathode and  the process was operated at  constant voltage of 25 V for 30 minutes. In this study, 2 variations of the concentration of Ni(OH)2  nanoparticles were used, namely (5 mL and 4 mL) to detect mercury at concentrations of 0 ppm, 10 ppm, 20 ppm, 30 ppm, 40 ppm, and 50 ppm. Changes in the absorbance value of Ni(OH)2  nanoparticles will be observed. From the observations, there was a decrease in the absorbance value of Ni(OH)2  nanoparticles along with the increase in mercury concentration. The decrease in the absorbance value of Ni(OH)2  nanoparticles is directly proportional to the amount of mercury concentration. The detection limit value was obtained at a volume of 5 mL and 4 mL are 42 ppm, and 75.8  ppm.
Co-Authors Budipramana, Krisyanti Djoko Adi Walujo Fauziatul Fajaroh Subandowo, Marianus Yanatra Budi Pramana