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<p>The demand for biomaterials has been increasing recently. One of the primary focuses in biomaterials is hydroxyapatite (HAp), which is biocompatible for use in the medical field. The selection of raw materials for HAp synthesis is an integral part of biomaterial development. This study utilizes natural limestone as a raw material for HAp production through chemical processing techniques. The synthesized HAp was characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). Initial calcination plays a crucial role in the synthesis of HAp. The applied synthesis technique successfully produced HAp. The crystallite size of the HAp was determined by comparing several calculation methods based on X-ray diffraction patterns. The synthesized HAp exhibited a crystallite size ranging from 28.71 to 80.95&#xa0;nm. FTIR results also confirmed the formation of HAp from the synthesis.</p> Graphical abstract <p></p>

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Utilization of natural limestone in the development of hydroxiapatite: A comparative approach on crystallographic parameters

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • Gita Novian Hermana,
  • Ari Siswanto,
  • Agus Jatmiko,
  • Randy Mediawan Mayello,
  • Nirmala Cahya Kusuma

摘要

The demand for biomaterials has been increasing recently. One of the primary focuses in biomaterials is hydroxyapatite (HAp), which is biocompatible for use in the medical field. The selection of raw materials for HAp synthesis is an integral part of biomaterial development. This study utilizes natural limestone as a raw material for HAp production through chemical processing techniques. The synthesized HAp was characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). Initial calcination plays a crucial role in the synthesis of HAp. The applied synthesis technique successfully produced HAp. The crystallite size of the HAp was determined by comparing several calculation methods based on X-ray diffraction patterns. The synthesized HAp exhibited a crystallite size ranging from 28.71 to 80.95 nm. FTIR results also confirmed the formation of HAp from the synthesis.

Graphical abstract