Sintesis Sodalit Dari Kaolin Bangka Belitung : Pengaruh Variasi Rasio OH- /Si

Rachmawati, Lutfi (2016) Sintesis Sodalit Dari Kaolin Bangka Belitung : Pengaruh Variasi Rasio OH- /Si. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sodalit telah berhasil disintesis secara langsung dari kaolin Bangka Belitung dengan menggunakan metode hidrotermal pada suhu 100 °C selama 24 jam. Penelitian ini menggunakan komposisi molar 3Na2O: 2SiO2: Al2O3: 128 H2O, dimana variasi 3Na2O dibagi menjadi 3Na2O, 2Na2O:2NaCl, Na2O:4NaCl, dan 6NaCl. Padatan hasil sintesis dianalisis menggunakan difraksi sinar-X (XRD), FTIR, dan SEM-EDX. Berdasarkan hasil karakterisasi XRD terlihat bahwa sodalit mulai terbentuk pada variasi OH- /Si 1. Hasil analisis XRD ini menunjukkan semakin besar rasio OH- /Si yang digunakan, semakin banyak kristal sodalit yang terbentuk. Berdasarkan hasil analisa SEM, sampel sodalit dengan rasio OH- /Si 2 dan 3 memiliki morfologi yang seragam terhadap sampel SOD standar dengan bentuk menyerupai bulatan-bulatan kecil yang menggumpal dan saling melekat satu sama lain. Hasil analisa EDX menunjukkan bahwa pada sampel dengan rasio OH-/Si 1, 2, dan 3 mengandung unsur Si, Al, dan Na. ======================================================================================================== Sodalite has been successfully synthesized directly from kaolin Bangka Belitung using hydrothermal method at 100 ° C for 24 hours. Sodalite has been synthesized using molar composition 3Na2O: 2SiO2: Al2O3: 128H2O, where the variation 3Na2O divided into 3Na2O, 4Na2O: 2NaCl, Na2O: 4NaCl, and 6NaCl. The products of synthesis are analyzed using X-ray diffraction (XRD), FTIR, and SEM-EDX. Based on XRD characterization, the result shows that sodalite begins to form in the composition OH- /Si 1. The result of XRD analysis showed that the more ratio of OH- /Si is used, the more sodalite will be formed. Based on SEM analysis, the result shows that variations in the sodalite OH- /Si 2 and 3 have the morphology similar to the standard SOD, which is similar with small spheres that attached to each other. Based on EDX analysis, the result shows that the samples with a ratio OH- / Si 1, 2, and 3 contain elements Si, Al, and Na.

Item Type: Thesis (Undergraduate)
Additional Information: RSKi 541.39 Rac s 3100016068106
Uncontrolled Keywords: Sodalit, Kaolin, Rasio OH-/Si, XRD, FTIR, SEM, EDX
Subjects: Q Science > QD Chemistry > QD181.S6 A4 Aluminum silicates
T Technology > TN Mining engineering. Metallurgy > TN271.K2 Kaolin
Divisions: Faculty of Mathematics and Science > Chemistry > 47201-(S1) Undergraduate Thesis
Depositing User: Yeni Anita Gonti
Date Deposited: 03 Aug 2020 06:35
Last Modified: 03 Aug 2020 06:35
URI: http://repository.its.ac.id/id/eprint/76857

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