Sasikirana, Nadindra Putri Meylia (2026) Pengaruh Rasio Cao Dengan (NH4)H2PO4 Dan Suhu Terhadap Hidroksiapatit Dari Cangkang Kupang Dengan Metode Hidrothermal. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This study investigates the synthesis of hydroxyapatite (HA) from mussel shells using the hydrothermal method, focusing on the CaO to (NH₄)H₂PO₄ ratio and reaction temperature as critical parameters. Increasing seafood consumption in the Surabaya region has resulted in greater shell waste, necessitating the exploration of sustainable practices in utilizing this byproduct for bio-materials, particularly in bone implants. The research employs a hydrothermal approach due to its efficacy in controlling HA crystal morphology and enhancing crystallinity. Experimental findings indicate that the optimal yield of 69.64% occurs at a 1.7 Ca/P ratio and 96 °C, validating the importance of both parameters in achieving adequate material characteristics. XRF and XRD analyses confirm the synthesized HA's chemical composition and a high degree of crystallinity at 81.01%, exceeding the minimum requirements for biomedical applications. However, Ca/P ratios slightly above the standard range suggest incomplete reactions during synthesis. Results underscore the significance of adjusting precursor ratios and reaction temperatures to optimize hydroxyapatite synthesis from renewable mussel shells, contributing to advancements in biomaterial development for medical applications.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | T Technology > T Technology (General) T Technology > TP Chemical technology T Technology > TP Chemical technology > TP155 Chemical engineering |
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| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||||||
| Depositing User: | NADINDRA PUTRI MEYLIA SASIKIRANA | ||||||||||||
| Date Deposited: | 31 Aug 2026 03:40 | ||||||||||||
| Last Modified: | 19 Oct 2026 03:28 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/58797 |
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