4 hasil untuk "Samik Samik"
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Artikel Jurnal
Characterization of Lapindo Mud-Based Nanocatalyst and Quality Testing of Biodiesel from Used Cooking Oil via Transesterification Reaction
This study explores the transesterification of used cooking oil using a Lapindo mud-based nanocatalyst and evaluates the resulting biodiesel quality. The reaction was carried out via the reflux method for 2 hours at 65°C, with a methanol-to-oil molar ratio of 9:1 and a catalyst-to-oil weight ratio…
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Artikel Jurnal
ANALISIS DISINFEKTAN FENOL SECARA SIKLIK VOLTAMMETRI
ANALISIS DISINFEKTAN FENOL SECARA SIKLIK VOLTAMMETRI Pirim Setiarso*, Nita Kusumawati, Lenny Yuanita, Tukiran, Samik Jurusan Kimia FMIPA, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Surabaya, Jl. Ketintang, Surabaya, 60231 e-mail : pirimsetiarso@unesa.ac.id ABSTRAK Telah…
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Artikel Jurnal
Effect of pH on Brazilin Extraction from Sappanwood (Caesalpinia sappan L.) and Its Impact on the Efficiency of Natural Dye-Sensitized Solar Cells (DSSCs)
Dye-sensitized solar cells (DSSCs) are a sustainable photovoltaic technology for addressing the global energy crisis through the conversion of solar energy using photosensitive dyes. This study aims to investigate the effect of pH variation during extraction on the optical, electrochemical, and…
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Artikel Jurnal
The effect of pH on anthocyanin extraction from Clitoria ternatea L. and polyetherimide polymer membrane electrolyte on the efficiency of dye-sensitized solar cells (DSSCs)
This present study investigates the effect of pH variation (2-12) on anthocyanin extraction from Clitoria ternatea L. and polyetherimide (PEI) polymer membrane electrolyte performance in dye-sensitized solar cells (DSSCs). The extraction of anthocyanin was conducted through the utilization of…