?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Pengaruh+Suhu+Kalsinasi+(450+oC%2C+550+oC%2C+dan+650+oC)+terhadap+Struktur+dan+Luas+Permukaan+Spesifik+Zeolit+Berbasis+Silika+Sekam+Padi&rft.creator=Mona+Algatama+Putri+F.%2C+1217041034&rft.subject=+&rft.description=Abstrak.+Telah+dilakukan+penelitian+untuk+mengetahui+pengaruh+suhu+kalsinasi+terhadap+struktur+kristal+dan+luas+permukaan+spesifik+zeolit+berbasis+silika+sekam+padi.+Silika+diperoleh+dari+sekam+padi+menggunakan+teknik+ekstraksi+alkalis.+Sementara%2C+sintesis+zeolit+menggunakan+metode+sol+gel+dari+sol+silika+dan+sol+sodium+aluminat.+Variasi+suhu+kalsinasi+yang+digunakan+dalam+penelitian+ini%2C+yaitu+450+oC%2C+550+oC%2C+dan+650+oC+dengan+waktu+tahan+selama+3+jam.+Karakterisasi+sampel+menggunakan+X-Ray+Diffraction+(XRD)+dan+Surface+Area+Analyzer+(SAA)+dengan+metode+Brunaur%2C+Emmet%2C+Teller+(BET).+Hasil+XRD+menunjukkan+bahwa+zeolit+telah+terbentuk+pada+suhu+450+oC+dengan+munculnya+fasa+gmelinite%2C+dan+terbentuk+fasa+lainnya+yaitu+bohmite%2C+aluminum+oxide+gamma%2C+dan+silicon+oxide+hydrate+yang+merupakan+senyawa+alumina+dan+silika+sebagai+kerangka+dasar+penyusun+zeolit.+Sementara%2C+pada+suhu+550+oC+dan+650+oC+hilangnya+fasa+bohmite+dan+fasa+yang+terbentuk+yaitu+aluminum+oxide+gamma%2C+silicon+oxide+hydrate%2C+dan+gmelinite.+Nilai+luas+permukaan+yang+diperoleh+seiring+kenaikan+suhu+kalsinasi%2C+yaitu+216%2C21+m2%2Fg%2C+159%2C46+m2%2Fg%2C+dan+149%2C94+m2%2Fg.+Semakin+tinggi+suhu+kalsinasi+maka+ukuran+kristalit+semakin+meningkat%2C+sehingga+menyebabkan+luas+permukaan+spesifik+menurun.%0D%0A%0D%0AKata+kunci%3A+BET%2C+silika+sekam+padi%2C+ukuran+kristalit%2C+XRD%2C+zeolit.%0D%0A%0D%0A%0D%0AAbstact.+The+research+to+determine+the+effect+of+calcination+temperature+on+the+crystal+structure+and+specific+surface+area+silica+zeolite+based+rice+husk+was+conducted.+Silica+was+obtained+from+rice+husk+using+alkaline+extraction+techniques.+While+the+zeolite+synthesis+was+obtained+by+sol+gel+method+from+silica+sol+and+sodium+aluminate.+The+samples+was+performed+by+calcination+temperature+variations++450+oC%2C+550+oC%2C+and+650+%C2%B0C+with++holding+time+of+3+hours.+Characterization+samples+using+X-Ray+Diffraction+(XRD)+and+Surface+Area+Analyzer+(SAA)+with+the+method+Brunaur%2C+Emmet%2C+Teller+(BET).+The+XRD+results+showed+that+the+zeolite+had+been+formed+by+the+gmelinite+phase+at+temperature+of+450+%C2%B0C+and+had+formed+bohmite%2C+aluminum+oxide+gamma%2C+and+silicon+oxide+hydrate+phase+which+is+a+compound+of+alumina+and+silica+zeolite+as+the+basic+framework+constituent.+Meanwhile%2C+at+temperature+of++550+%C2%B0C++and+650+%C2%B0C+has+loss+bohmite+phase+and+had+formed+aluminum+oxide+gamma%2C+silicon+oxide+hydrate%2C+and+gmelinite+phase.+The+spesific+surface+area+values+with+increase+calcination+temperature+were+obtained++216.21%2C+159.46%2C+and+149.94+m2%2Fg.+The+higher+calcination+temperature%2C++the+larger+crystallite+size+caused+the+specific+surface+area+decreases.%0D%0A%0D%0AKeywords%3A+BET%2C+rice+husk+silica%2C+crystallite+size%2C+XRD%2C+zeolites.%0D%0A%0D%0A&rft.publisher=Fakultas+MIPA&rft.date=2017-01-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25158%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25158%2F26%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25158%2F25%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Mona+Algatama+Putri+F.%2C+1217041034++(2017)+Pengaruh+Suhu+Kalsinasi+(450+oC%2C+550+oC%2C+dan+650+oC)+terhadap+Struktur+dan+Luas+Permukaan+Spesifik+Zeolit+Berbasis+Silika+Sekam+Padi.++Fakultas+MIPA%2C+Universitas+lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F25158%2F