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Ulianas, Alizar
Universitas Negeri Padang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Transportation Other

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Journal : Jurnal Periodic

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Degradation of Methyl Green Dyes with ZnO Catalyst using the Photosonolysis Method Muhammad Gani Ariski; Hary Sanjaya; Alizar Alizar; Deski Beri; Yohandri Yohandri
Jurnal Periodic Jurusan Kimia UNP Vol 11, No 2 (2022): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1352.044 KB) | DOI: 10.24036/p.v11i2.113614

Abstract

Textile and dyestuff industrial dye waste remain the most difficult wastewater to treat due to the complex aromatic molecular structure of industrial dyes, which are very difficult to decompose. This research was conducted on the degradation of methyl green using the photosonolysis method. The purpose of this study was to determine the optimum time and amount of ZnO used in degrading methyl green dye. The results of the percentage degradation were obtained from the absorbance value measured using a UV-Vis Spectrophotometer. (λmax) Methyl green obtained from the measurement of a UV-Vis spectrophotometer was 640 nm. The results showed that the optimum irradiation and sonication time to degrade methyl green was 60 minutes with a degradation percentage of 92.77%. For the effect of mass variation of ZnO catalyst obtained the optimum mass of 0.05 grams with a degradation percentage of 96.38%.
Pengaruh Waktu Perendaman Terhadap Penyerapan Asam Urat Menggunakan Membran Molecularly Imprinted Conducting Polimers (MICPs) Nilu Gussarsi; Budhi Oktavia; Alizar Ulianas
Jurnal Periodic Jurusan Kimia UNP Vol 12, No 1 (2023): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/p.v12i1.116991

Abstract

Abstract –  Molecularly Imprinted Conducting Polymers (MICPs) are polymers that have cavities that can conduct electricity. Cavities in the polymer result from template removal. The method used for the synthesis of MICPs membrane is the photopolymerization method using Ultra-Violet light. Determination of uric acid levels in solution can be analyzed using a UV-Vis spectrophotometer and in blood using an easy touch. Meanwhile, to determine the electrical conductivity using a four point probe (FPP). Based on the research, it was found that the uric acid MICPs membrane had optimum absorption at a contact time of 24 hours, with an absorption capacity of 0.532 mg/g. The uric acid MICPs membrane can absorb uric acid molecules in human blood with an absorption capacity of 0.57 mg/g according to blood pH by easy touch testing. The results of this study indicate that the MICPs membrane can absorb uric acid both in solution and in blood.
Co-Authors Annisa Aulia Budhi Oktavia Budhi Oktavia Christina Lydia Makmur Deski Beri Elva Laila Faiza Qurrata Aini Fitria, Yanti Hardeli Hardeli Hary Sanjaya Hesty Parbuntari Hutdia Putri M Ilyas Muhammad Isa Indang Dewata Iryani Iryani Kiky Vebrielna Sari Mawardi Mawardi Miftahul - Khair Miftahul Khair minda - azhar Minda Azhar Minda Azhar Muhammad Gani Ariski Natia Afriana S Nilu Gussarsi Nurhasanah Nurhasanah Reza Akmar Rosi Efliana Watin Dehistora Widya Janatul Putri Winda Annisa Suryanti Yerimadesi Yerimadesi Yohandri Yulia Mona Liza Yulkifli Yulkifli Yusmaita, Eka Zonalia Fitriza zulhendra - Zulhendra