Pengaruh TiO2 terhadap karakteristik Glasir pada Ubin

Nurjanah, Nunung Siti (2019) Pengaruh TiO2 terhadap karakteristik Glasir pada Ubin. Diploma thesis, UIN Sunan Gunung Djati Bandung.

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Abstract

INDONESIA : Dalam upaya peningkatan kualitas ubin keramik saniter untuk memenuhi kebutuhan sanitasi lingkungan, dilakukan pembuatan ubin keramik antibakteri. Bahan antibakteri yang digunakan berupa TiO2 anatase karena dapat bersifat fotokatalis. Digunakan variasi konsentrasi 0 – 5% TiO2 pada ubin glasir. Ubin glasir antibakteri diuji penampakan permukaannya secara visual dan digunakan alat Brightness untuk mengetahui nilai W* nya. Semakin banyak TiO2 yang ditambahkan, maka hasil nilai W* semakin rendah yang menunjukkan bahwa Whiteness (efek warna putih) semakin berkurang. Dilakukan analisis SEM untuk mengetahui struktur morfologi permukaan ubin glasir dan dilakukan XRD untuk mengetahui jenis kristal pada bahan ubin glasir dan serbuk glasir. Hasil SEM menunjukan lapisan glasir dan terdapat TiO2 berbentuk seperti bongkahan di atas nya. Dari hasil XRD didapatkan puncak-puncak mineral kuarsa, mullite, anatase, rutile, dan kristobalit. Untuk aplikasi dilakukan dua analisis berupa persen dekolorisasi dan uji antibakteri. Hasil uji dekolorisasi larutan metilen biru 10 ppm didapatkan persen optimum pada serbuk glasir 2%. Dan adanya sifat fotokatalis tersebut menyebabkan TiO2 juga bersifat sebagai antibakteri karena dihasilkan ROS (OH*, O2-*, dan H2O2). Hasil antibakteri didapatkan bahwa semakin tinggi konsentrasi TiO2 pada serbuk glasir dan ubin glasir semakin besar pula Diameter Daya Hambat (DDH) bakteri tersebut. ENGLISH : In an effort to improve the quality of sanitary ceramic tiles to meet the needs of environmental sanitation, an antibacterial ceramic tile was made. The antibacterial material used is TiO2 anatase because it can be photocatalyst. Variations in the concentration 0 – 5% TiO2 were used on glaze tiles. Antibacterial glaze tiles were visually tested for their surface appearance and the Brightness tool was used to determine their W* values. The more TiO2 is added, the lower the W* value, which indicates that the Whiteness (white color effect) decreases. SEM analysis was performed to determine the surface morphology structure of glaze tiles and XRD was carries out to determine the type of crystals in glaze tile material and glaze powder. The SEM results show a glaze layer ang there are TiO2 shaped like chunks on top of it. From the XRD results obtained peaks of mineral quartz, mullite, anatase, rutile, and cristobalite. For the application, two analyzes were carried out in the form of percent decolorization and antibacterial testing. The decolorization test results of 10 ppm blue methylene solution obtained the optimum percent in 2% glaze powder. And the photocatalyst properties cause TiO2 also to be antibacterial because it is produced by ROS (OH*, O2-*, and H2O2). Antibacterial results showed that the higher the concentration of TiO2 in glaze powder and glaze tiles the greater the Inhibitory Diameter (DDH) of the bacteria.

Item Type: Thesis (Diploma)
Uncontrolled Keywords: Ubin; Glasir; XRD; SEM; Persen Dekolorisasi; ROS; DDH
Subjects: Chemistry and Allied Science > Data Processing and Analysis of Chemistry
Analytical Chemistry > Qualitative Analysis, Quantitavie Analysis of Chemistry
Divisions: Fakultas Sains dan Teknologi > Program Studi Kimia
Depositing User: Nunung Siti Nurjanah
Date Deposited: 03 Mar 2020 04:26
Last Modified: 03 Mar 2020 04:26
URI: http://digilib.uinsgd.ac.id/id/eprint/29999

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