Chemical Engineering Department, Engineering Faculty, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya, Indonesia
BibTex Citation Data :
@article{JKSA63914, author = {Noni Aulia and Vica Brilliany Sanjaya and Ketut Sumada and Lilik Suprianti}, title = {The Synthesis and Characterization of A New Composite Material Ca-Mg-NH₄-PO₄ Dolomite-Based for Effective Multinutrient Fertilizer in Plant Growth}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {27}, number = {11}, year = {2024}, keywords = {Dolomite; Precipitation; Composite; Synthesis; Characterization}, abstract = { The rapid expansion of Indonesia's agricultural sector has led to a surge in fertilizer demand. Dolomite lime shows potential as a promising alternative material to enhance fertilizer quality. This study aims to synthesize and characterize a Ca-Mg-NH 4 -PO 4 composite using dolomite as a precursor through precipitation. The synthesis was successfully achieved through several stages, beginning with dolomite preparation, dissolution in 5N phosphoric acid, and subsequent precipitation with ammonium hydroxide at pH 8, 30°C, with a stirring speed of 450 rpm. The resulting composite was analyzed using various analytical techniques to evaluate its structural, morphological, and elemental compositions. X-Ray Diffraction (XRD) results indicated the formation of struvite crystals at positions 2θ = 20.828°, 30.539°, 33.234°, brushite crystals at position 2θ = 11.650°, and impurity compounds that appeared during the synthesis process. Impurities affecting crystal purity were detected but could be minimized through washing. Scanning Electron Microscopy (SEM) analysis revealed a monoclinic crystal morphology with particle sizes ranging from 4.32 μm to 579 nm. X-Ray Fluorescence (XRF) and Energy Dispersive X-Ray (EDX) analysis verified the presence of Ca, Mg, NH₄, and PO₄ components in the composite. Fourier-Transform Infrared Spectroscopy (FTIR) analysis showed that the composite has P-O-C functional groups at 949 cm⁻¹, 972 cm⁻¹, and 1027 cm⁻¹, and N-H functional groups at 1466 cm⁻¹. Overall, this Ca-Mg-NH₄-PO₄ composite derived from dolomite demonstrates promising characteristics as a multi-nutrient fertilizer, offering a high-quality option to support sustainable agricultural practices. }, issn = {2597-9914}, pages = {531--537} doi = {10.14710/jksa.27.11.531-537}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/63914} }
Refworks Citation Data :
The rapid expansion of Indonesia's agricultural sector has led to a surge in fertilizer demand. Dolomite lime shows potential as a promising alternative material to enhance fertilizer quality. This study aims to synthesize and characterize a Ca-Mg-NH4-PO4 composite using dolomite as a precursor through precipitation. The synthesis was successfully achieved through several stages, beginning with dolomite preparation, dissolution in 5N phosphoric acid, and subsequent precipitation with ammonium hydroxide at pH 8, 30°C, with a stirring speed of 450 rpm. The resulting composite was analyzed using various analytical techniques to evaluate its structural, morphological, and elemental compositions. X-Ray Diffraction (XRD) results indicated the formation of struvite crystals at positions 2θ = 20.828°, 30.539°, 33.234°, brushite crystals at position 2θ = 11.650°, and impurity compounds that appeared during the synthesis process. Impurities affecting crystal purity were detected but could be minimized through washing. Scanning Electron Microscopy (SEM) analysis revealed a monoclinic crystal morphology with particle sizes ranging from 4.32 μm to 579 nm. X-Ray Fluorescence (XRF) and Energy Dispersive X-Ray (EDX) analysis verified the presence of Ca, Mg, NH₄, and PO₄ components in the composite. Fourier-Transform Infrared Spectroscopy (FTIR) analysis showed that the composite has P-O-C functional groups at 949 cm⁻¹, 972 cm⁻¹, and 1027 cm⁻¹, and N-H functional groups at 1466 cm⁻¹. Overall, this Ca-Mg-NH₄-PO₄ composite derived from dolomite demonstrates promising characteristics as a multi-nutrient fertilizer, offering a high-quality option to support sustainable agricultural practices.
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