Permadi, Galuh Mahendra (2022) Karakterisasi Kalsium Fosfat darI Berbagai Limbah Cangkang dengan Metode Presipitasi. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Shell waste is the result or residue of processed food that is not used properly. Every week about 3 tons of clam shells are dumped in Kenjeran, Surabaya. Meanwhile, only 10 percent can be processed. Among them are made various forms of crafts as souvenirs typical of the Surabaya area. From the laboratory results, it is known that the calcium (Ca) content in clam shells is 80-90%. The calcium content in the shell has good potential to be used as a biomaterial. Biomaterial is a natural or artificial (synthetic) material that can be implanted into a living system or tissue as a replacement for damaged tissue function. Currently, the most widely developed biomaterial is bone substitute biomaterial. In general, the basic constituent of inorganic components in hard tissues, especially bones, is calcium phosphate. Calcium phosphate compounds can be prepared by the precipitation method with calcium-containing raw materials and using various phosphate precursors. The calcium raw materials used are various types of shells such as gold snail shells, green clam shells, egg shells, and snail shells. From the tests of previous researchers (Sakinah. et al, 2018) the results obtained that each shell waste has different characteristics with the same reaction temperature treatment. In this study, the synthesis of calcium phosphate from various shell wastes was developed using the precipitation method using the precursors Na2HPO4, K2HPO4, and ((NH4)2HPO4). From the research results, the Calcium Phosphate produced is dominated by Chlorapatite, Calcium Phospate Fluoride Chloride, Carbonate Apatite (Type A) and – Dicalcium Pyrophospate. The Phosphate Precursor used affects the yield and shape of the Calcium Phosphate particles obtained. Where the precursor (NH4)2HPO4 produces Carbonate Apatite (Type A) which is amorphous and other precursors form Chlorapatite and Fluorapatite which tend to be crystalline. Differences in shell waste affect the binding of chlorine ions (Cl-) to different yields and particle shapes. The resulting characteristics can be utilized and redeveloped according to the needs of each Calcium Phosphate product, especially in the field of orthopedic biomaterials.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Galuh Mahendra Permadi | ||||||||
| Date Deposited: | 18 Jan 2022 02:24 | ||||||||
| Last Modified: | 18 Jan 2022 02:24 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/4339 |
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