Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : CHEMPUBLISH JOURNAL

Sintesis dan karakterisasi magnetit terlapis dimerkaptosilika Abdurrazaq Habib; Ngatijo; Diah Riski Gusti
CHEMPUBLISH JOURNAL Vol. 4 No. 2 (2019): Chempublish Journal
Publisher : Universitas Jambi, Fakultas Sains dan Teknologi, Program Studi Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v4i2.8034

Abstract

Synthesis of dimerkaptosilica coated magnetite was carried out in several stages, namely synthesis of magnetite from FeCl3.6H2O and FeSO4.7H2O by coprecipitation method. Extraction of sodium silicate from rice husk ash as a source of silica. Coating magnetite by dimerkaptosilica using 2,3-dimercapto-1-propanol as a source of mercapto groups and sodium silicate as sources of silica. Coating is done by the sol-gel method. FTIR characterization showed the appearance of uptake at wave numbers 894,04 cm-1, 2951,22 cm-1 and 3655,26 cm-1 from several absorbances which also appeared in magnetite material spectra indicating ―SH, ―CH2 and ―OH groups. XRD characterization was characterized by the appearance of a peak at 2θ, which was 35,43° and SEM characterization showed that the material Fe3O4―DMS had a morphological shape in the form of round clumps forming gray-colored aggregates.
Sistem Enkapsulasi Maltodekstrin-Kitosan pada Ekstrak Kulit Kakao (Theobroma cacao Linn.) yang Ramah Lingkungan untuk Inhibisi Korosi pada Baja dalam Media Korosif Gusti, Diah Riski; Toyyibah, Fida; Nizori, Addion; Restianingsih, Tika; Faiquzzaky, Faiz; Tajuddin, Nazrizawati Ahmad
Chempublish Journal Vol. 9 No. 2 (2025): Chempublish Journal (July - December)
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v9i2.46697

Abstract

This research tested an encapsulated cocoa husk extract formulated with maltodextrin and chitosan at an 8:2 ratio for use as a steel corrosion inhibitor. The method of weight loss in 0.75 M sulfuric acid, seawater, and peat water solutions was used to test inhibitors. The analysis indicated that inhibitor efficiency increased with increasing concentration. At the same time, its efficiency decreased due to longer immersion periods, reaching a maximum of 94.07% in peat water when a 2.5 g/L concentration of inhibitors was applied for 1 day. These results indicate significant potential for encapsulated cocoa husk extract as a natural corrosion inhibitor
Co-Authors Abd. Mutakkin Abdul Manab Abdurrazaq Habib Abdurrazaq Habib Fadhilah Addion Nizori Ade Adriadi Adiningtyas Putri, Alya Agnes Vionita Yohana Agus Lintang Widodo Ahmad Sazali Alfernando, Oki Amanda Amanda Ance Pramai Shella Andini, Paziati Andrian Setyarestu Prayogi Anggi Cahaya Nirwana Angraini, Resti Indah Anisa Anisa Anjelli Putri Gunawan Annisa Dhita Syahrial apriansyah, rendi Ardian Salsa Rusmana Arif Nurrahman Armando, Fitra Armitha Dea Pradina Aulia Rahmi Azril Bagus, Adhitya Eko Betri Yanda Damris Muhammad Damris Muhammad Damris Muhammad Daniel Arsa Denny Prabawa, Aditya Dhian Eka Wijaya Dila Oktarise Dwina Djangkung Sumbogo Murti, Sri Dwi Savitri Nur Hidayah Dyah Kumalasari Edwin Permana Edwin Permana Eko Prasetyo Ermita Meisa Manulang Fadhilah, Abdurrazaq Habib Faiquzzaky, Faiz Faizar Farid Faizar Farid Fajriaty, Rana Farizt Ichsan, Ahmad Fauzan Ramadhan Fitra Armando Frandi Mardiansyah Frastica Deswardani Frely Setiawan Sihombing Gunawan, Anjelli Putri Hamdan Maruli Siregar Harizon Harizon Haryanto Haryanto Henry Aritonang Hidayat, Ali Nurdin Indra Lasmana Tarigan Intan Lestari Intan Lestari Intan Lestari Intan Lestari Intan Lestasi Is Heriyanti, Septina Ismet, Lince Muis Khairunnisah, Resilta KurniawanSyah, Gilang Ladiva Adinda Lenny Marlinda Lestari, Intan - Lestasi, Intan Lestasi, Uce M Ikrar Lagowa M. Rifqi Efendi M. Rusdi Maemonah, Maemonah Maharani Martin Horas Parulian Butarbutar Martina Asti Rahayu Mastutik, Diah Maulana, Rico Gewana Resdy Menita Sinurat Mesa Sukmadani Rusdi Mia Aina Mia Aina Mirda Yanti, Fusia Moh Nabawi Moh Nabawi Mounir El Achaby Muhammad Arief Yamin Muhammad Haris Effendi Hasibuan Muhammad Rusdi Munawir Nursyahrobby Nabela Viviana Naswir, M. Nelson Nelson Nelson NEVIATY PUTRI ZAMANI Ngatijo Ngatijo Ngatijo Ngatijo Ngatijo Ngatijo Ngatijo Nindita Clourisa Amaris Susanto Nuralang Nuralang Oki Alfernando Oktarise Dwina, Dila Pradina, Armitha Dea Prasetio, Muhamad Reza Puspa Dwi Pratiwi Putra, Adrisma Juanda Putri Ramadhanti Putri Ramadhanti, Putri Putri, Andinni Qisthi, Zummul Qurrata Aini Ragil Johanda Rahma Aini Sapitri Rahmi Rahmi Rahmi Rahmi Ratih Dyah Puspitasari Resilta Khairunnisah Restianingsih, Tika Restina Bemis Restina Bemis Revis Asra Ria Gracia Sibarani Rif’at Syauqi Safitri Safitri Safitri Safitri Sani K, Fathnur Sibarani, Ria Gracia Sihotang, Andreas Silvia Devi Eka Putri Sinurat, Menita Sriwati Azis Sudibyo Sudibyo Sudibyo Sudibyo Sukor, Mohd Zaki Susanto, Nindita Clourisa Amaris Tajuddin, Nazrizawati Ahmad Toyyibah, Fida Tri Haryati Tri Siswanto Uce Lestari Uce Lestari Uce Lestasi Wahyudi Zahar Wahyudi, Abdi Walidatur Rofiah, Yuliana Warni Warni Wulansari wulan Yanova, Shally Yehezkiel Dwi Wahyu Situmerang Yoga Andika Yohana, Agnes Vionita Yuli Evrianti Br Rajagukguk