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Journal : VALENSI

Studi Inhibisi Korosi Karboksimetil Kitosanpada Permukaan Baja Lunakdalam H2SO4 Maria Erna; Herdini Herdini; Abdullah Abdullah; Suharmin Suharmin
Jurnal Kimia Valensi Jurnal Valensi Volume 4, No.1, Mei 2014
Publisher : Syarif Hidayatullah State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v4i1.1073

Abstract

Abstrak Telah dipelajari efisiensi dan mekanisme inhibisi korosi karboksimetil kitosan (KMK) pada permukaan baja lunak dalam larutanH2SO4.Efisiensi inhibisi korosi ditentukan dengan menggunakan metode pengukuran berat hilang (Weight Loss Method), sedangkan mekanisme inhibisi korosi dipelajari berdasarkan hasil analisis karakterisasi Scanning Electron Microscope- Energy Dispersive X-ray(SEM-EDX). Hasil penelitian menunjukkan bahwa efisiensi inhibisi korosi KMK dalam H2SO4 mencapai 65.12%. Hasil analisis karakterisasi memperlihatkan mekanisme inhibisi KMK pada permukaan baja lunak melalui peristiwa adsorpsi kimia membentuk lapisan pasif berupa senyawa Fe-khelatmelalui unsur O dari gugus –OH dan N dari gugus –NH2 dari molekul KMK Kata kunci : Efisiensi inhibisi korosi, karboksimetil kitosan, mekanisme inhibisi   Abstract The corrosion inhibition efficiencyandmechanism ofcarboxymethylchitosan(CMC) on the surface ofmild steel in H2SO4 solution has studied. Determination of the corrosion inhibition efficiency measurement used Weight Loss Method (WLM), whereas the mechanism of corrosion inhibition studied based on the analysis characterizing Scanning Electron Microscope-Energy Dispersive X-ray (SEM-EDX). The results showed that the corrosion inhibition efficiency of CMC reaches 65.12%. Characterization analysis results showed inhibition mechanism CMC on mild steel surface through chemical adsorption events form a passive layer of Fe-chelate compounds through O elementof -OH group and N element of -NH2 group of molecules KMK. Keywords : corrosion inhibittion efficiency, carboxymethyl chitosan, inhibition mechanism
Co-Authors ', Abdullah ', Erviyenni ', Hasnah ', Miharty ', Rasmiwetti ', Ristina ', Susilawati A. Yumita AA Sudharmawan, AA Abdi Wira Septama Abdullah ' Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Abdullah Afra Azizah Agus Syahputra Agustina Agustina Ainun Wulandari Akhatik, Nurul Aldilla Stifany Aldresti, Fitri Alifia Agustina, Putri Aminuyati Andhini Safira Amanda Andi Almer Farrand Noor Andini, Issri Mila Nova Anggi Desviana Siregar Desviana Siregar, Anggi Desviana Siregar Desviana anggi kusuma Sari Anggianti, Disa Putri Anggraini, Devi Sri Annisa Mailia Ulfa Anugrah, Rio Persal Ardiansyah Ardiansyah Ardiansyah Ardiansyah Asmadi ' Asmadi M. Noer Asmadi Muhammad Noer Aulia Dinda Widi Andini Ayu Hermalinda Azizah, Afra Badiah, Nurul Betty Holiwarni Betty Holiwarni Betty Holiwarni Copriadi, Jimmy Darmizah, Fitri ‘Alaina Darmizah, Fitri ‘Alaina Dessy Lusyana Yustin Destri Wahyuni Desy Mayasari Desy Muliana Wenas Devyta Marinsi Dewi Wahyuningsih Diah Permata Suci Dini Meici Diny Oktariani, Diny Dishadewi, Praslita dishadewi, praslita Eka Surya Dharma Elazasmira, Elazasmira Elsa Kinanda Elva Yasmi Amran Yasmi Amran Erviyeni ' Erviyenni ' Erviyenni Erviyenni Erviyenni Erviyenni, Erviyenni Erviyenny, Erviyenny Erwi Putri Setyaningsih Esa Oktafiyanti Gea Fachri Reza Ramadhan Fadilla, Aylinda Nurul Faira Yovanie Farkhan, Mochammad Farrand Noor, Andi Almer Fathin Hamida Fazira, Meisya Amanda Febi Nabila Febriani, Amelia Ferdian, Nindya Cika Fitri Aldresti Fitri Ramadani Fitri ‘Alaina Darmizah Fitrida Boang Manalu Gita M.S, Rentha Hadi, Veriah Hairudin Hairudin ' Hari Bowo Haryati ' Henni Syawal Hirda Karnia Huriyah, Hikmah Salamah I. E. Widya Ika Sulistya S Irawan, Rifa Pujiati Izzati Sadrina Jan Stepfely Simanjuntak Jaya, Rendy Indra Jhon Azmi Jhon Azmi, Jhon Jimmi Copriady John Azmi John Azmi Kamaliah, Dini Nur Karimah, Annisatul Karmila, Widya Kusuma, Ika Maruya La Lauma latifah K Darusman Lenny Anwar M. Fadli Hidayatullah Hidayatullah Maria Erna Maria Erna Maria Erna Kustyawati Marta Marta Maulina Handayani Meisya Amanda Fazira Melani, Wiren Arta Mery Sukmiwati Miharty, Miharty Mochammad Farkhan Mochammad Imron Awalludin Muhammad Furqan Muhammad Rivai Munawarohthus Sholikha Munfarikhatin, Atina Mutiara Neldi Nabellia Nabellia Nabellia, Nabellia Nabila, Febi Nadila, Khori Dea Nadira, Syarifa Narti Fitriana, Narti Nasution, Dessy Amalina Nazhifah, Siti Nazira, Relfa Nelly Suryani Nesa Nozari Nia Junita Yusuf Noni Noviyanti Nur Shafiani Nurmayati ' Nursiwan, Wimbi Apriwanda Nursya Alma Indah Ofa Suzanti Betha Oktaviani, Rista P. Wulandari Paryati Paryati Praslita Dishadewi Purwantiningsih Sugita Purwoko, Agus Putri Adita Wulandari Putri Noviayu Salsabila Hendri Putri, Amelia Fatika Putri, Elvina Triana Putri, Rahma Yani Putri, Tiara Swastika Putrisa Anggun Meilani Putry Ayuningtyas Putry Ayuningtyas R. Usman Rery R. Usman Rery Rachmatiah, Tiah Radjawali Usman Rery Radjawaly Usman Rery Ramadhan, Ahmad Khairu Rasmiwetti Rasmiwetti ' Rasmiwetti Rasmiwetti, Rasmiwetti Ratna Kusumawardani Relisia, Vezy Rendra wijaya Restu Aminullah Retno Eka Nianti Retno Eko Rifkowati Rezi Refita Rifkowati, Retno Eko Rika Warti Rini ' Rini Rahma Fadila Rio Persal Anugrah Risa Oktalia Sari Rizki Adi Yona Roza Linda Roza Linda Roza Linda Roza Linda Roza Linda Roza Linda Sabrina Dahlizar Salsabila Hendri, Putri Noviayu Sandra G, Cindy Eka Sari Ayu Sabatini Shafiani, Nur Shafiani, Nur Shafiani Shyiba Yunia Aliffah Simanjuntak, Jan Stepfely Siswati Siswati Sofa Fajriah Solly Aryza Sri Anita Sri Haryati Sri Haryati Sri Haryati Sri Haryati Sri Rahayu Lestari Sri Saraswati Stifany, Aldilla Subaryanti, Subaryanti Sufyanto ' Suharmin Suharmin Susilawati Susilawati Susilawati Susilawati Susilawati, Susilawati Syafriana, Vilya Syaputra, Yandri Teja Pratama Putra Teodhora, Teodhora Tjipto Leksono Tjipto Leksono Uhkty Fauzyah Veryanti, Putu Rika Wahidin Wahidin Wanda Ika Wahyuni Ika Wahyuni Waruwu, Riama Wida Usmansyah Wira Septama, Abdi Y. Anggraeni Yayuk Andriyani Yovanie, Faira Yuni Anggraeni Zaki Dayatul Akbar Zaleha ' Zaza Fikrati Auliyani Zera Rahmaputri Zilhadia Zilhadia