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All Journal OPSI JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Journal Industrial Servicess Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri Jurnal Agrotek UMMat Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Jurnal Abdi Insani BERDAYA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Mesin Nusantara Jurnal Karya Pengabdian Teknik Mesin Energy, Materials and Product design BULLET : Jurnal Multidisiplin Ilmu Jurnal Umum Pengabdian Masyarakat (JUPEMAS) Protech Biosystems Journal
Maharsa Pradityatama
Universitas Mataram
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Journal : Protech Biosystems Journal

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Utilization of Pumpkin seed waste extract as an inhibitor in reducing the corrosion rate on metals Hidayatullah, Syarif; Sari, Nasmi Herlina; Huda, Ahmad Akromul; Pradityatama, Maharsa; Sinarep, Sinarep; suteja, suteja
Protech Biosystems Journal Vol 5, No 1 (2025): Protech Biosystem Journal
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/protech.v5i1.32116

Abstract

Our research focuses on enhancing the potential of pumpkin seed waste extract as a sustainable corrosion inhibitor for metal (Fe) in 1 M HCl solution. Phytochemical screening and antioxidant activity were identified. Various investigative methodologies including experimental techniques such as Potentiodynamic Polarization (PDP) were used to evaluate the effectiveness of these pumpkin seed waste extract inhibitors in inhibiting corrosion. Electrochemical results showed that the effectiveness of the inhibitor was concentration dependent here reaching 83.11% at 3000 g/L pumpkin seed waste extract inhibitor. The PDP showed that the mixed inhibition control effectively retarded the corrosion of the metal. Furthermore, the adsorption behavior of the pumpkin seed waste extract inhibitor onto the metal follows the Langmuir isotherm model with physisorption properties. The adsorption mechanism of the inhibitor on the metal surface successfully formed a protective film on the metal surface thereby reducing the corrosion rate.  
Co-Authors A.A. Ngurah Nara Kusuma Anna Apriana Hidayanti Apriana Hidayanti, Anna Aruan, Jerry Bawa Susana, I G. Chaedar, Muhammad Emmy dyah S Emmy Dyah Sulistyowati, Emmy Dyah Fauzan Fahrussiam Febrian, Ade Fikrihadi Kurnia Fikrihadi Kurnia Gunartha, I Gusti Made Bagus Sri Huda, Ahmad Akromul I G. Bawa Susana I G.B. Budi Dharma I Gede Bawa Susana I Gusti Made Bagus Sri Gunartha I Gusti Ngurah Agung Natria Patraman I Made Nuarsa, I Made I Putu Bayu Pramartha I.D.K. Okariawan Ida Bagus Alit Kurnia, Fikrihadi Kurnia, Fikrihadi Leni Agustina Made Wijana, Made Made Wirawan Mardiah, Rabiatun Nasmi Herlina Sari Na’ilah, Meysarah Nugroho, Dony Satriyo Nur Arfian Nurrahmah, Laeli Okariawan, I Dewa Ketut Patraman, I Gusti Ngurah Agung Natria Pramartha, I Putu Bayu Pramudi Arsiwi Rahman, Moamar Ridoni Saoloan Purba Rudy Sutanto Sinarep Sinarep Suartika, I Made Surya, Muhammad Dianku Suteja Suteja Suteja Suteja Suteja, Suteja Syarif Hidayatullah Syariful Wardana Tawaqqal, Akbar Tegas Satriadi Tita Talitha Triadi, Anak Agung Alit Triadi, Anak Agung Alit Wahyudinil Islam Wijana, Made Yusril Ilhamdani Zico Fatahillah Prastomo