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All Journal Alchemy : Journal of Chemistry BAJU: Journal of Fashion and Textile Design Unesa
Atina Khoiron Nisa
Akademi Komunitas Darussalam
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology Social Sciences

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Preparation and Characterization of Graphene Oxide from Rice Husk Atina Khoiron Nisa; Ganden Supriyanto; Wan Aini Wan Ibrahim
ALCHEMY:Journal of Chemistry Vol 11, No 1 (2023): ALCHEMY: JOURNAL OF CHEMISTRY
Publisher : Department of Chemistry, Faculty of Science and Technology UIN Maulana Malik Ibrahim Malan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/al.v11i1.16006

Abstract

Preparation and characterization of Graphene Oxide (GO) Fe3O4 nanocomposite has been done. The characterized by XRD showed that graphite,GO and GO-Fe3O4 were amorph. Characterized by FTIR showed that there were a distinctive vibration bands of C-O,C=O, C=C, and OH, and additional bands belong to Fe-O dan Fe-C for the GO-Fe3O4. FESEM analysed showed that GO have smooths and sheets, and fill the wrinkled circle on the surface GO was showed presence of Fe3O4. The diameters of Fe3O4 was 39 nm. Atoms distribution Fe, C, and O of Fe3O4 on the GO sheets showed 15 %. D-band and G-band of GO were 1331 cm-1 dan 1570 cm-1 and D-band of GO-Fe3O4 were 1331 cm-1 based on analyzed using Raman spectroscopy.
Pemanfaatan Pewarna Alami dari Kulit Kayu Tingi dengan Teknik Ecoprint pada Kain Katun Atina Khoiron Nisa; Nayla Fikriatun Nafi’ah
BAJU: Journal of Fashion and Textile Design Unesa Vol 6 No 2 (2025)
Publisher : Universitas Negeri Surabaya

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Abstract

The bark of the tingi tree (Ceriops tagal), a mangrove species commonly found in coastal regions, serves as a natural source of brown pigment capable of imparting appealing coloration to textiles. However, the utilization of tingi bark as a natural dye through ecoprint techniques remains relatively underexplored. This study employed an experimental approach comprising several stages: extraction, premordanting, dyeing, ecoprinting, and fixation. The leaf-based ecoprint process revealed that teak leaves produced a reddish-purple hue, while guava, castor, cassava, and fern leaves yielded lighter, whitish tones. The final outcomes demonstrate that fabrics dyed with tingi bark using ecoprint methods. There was a loss of fabric mass during washing with 1% detergent, indicating that the dye and mordant had not fully adhered to the fabric.
Co-Authors Ganden Supriyanto Nayla Fikriatun Nafi’ah Wan Aini Wan Ibrahim