?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Preparasi+dan+Karakterisasi+Keramik+Silika+dari+Daun+Bambu+Hasil+Leaching+Asam+Sitrat+dan+Suhu+Pembakaran+800-1000%C2%B0C&rft.creator=Urfha+Riandani%2C+0917041049&rft.subject=Theory+of+Knowledge%2FTeori+Ilmu+Pengetahuan&rft.description=Metode+Leaching+menggunakan+asam+sitrat+bertujuan+untuk+menghilangkan+pengotor+dan+zat+organik+dalam+daun+bambu.+Daun+bambu+sebelum+dileaching+asam+sitrat+dikarakterisasi+menggunakan+DTA%2FTGA.+Hasil+analisis+DTA%2FTGA+menunjukkan+bahwa+penyusutan+massa+yang+sangat+besar+pada+daun+bambu+ini+mengindikasikan+terjadinya+penguapan+zat+organik+dalam+proses+pemanasan+pada+suhu+sebelumnya%2C+serta+kontribusi+dari+sisa+karbon+pada+sampel+yang+ditunjukkan+dengan+adanya+penyusutan+massa+yang+cukup+besar+pada+suhu+949%C2%B0C+sebesar+77%2C02%25.+Sebelum+dilakukan+pembakaran%2C+daun+bambu+dileaching+menggunakan+asam+sitrat+5%25.+Suhu+pembakaran+yang+digunakan+yaitu+800%C2%B0C-1000%C2%B0C+sehingga+diperoleh+serbuk+silika.+Sampel+keramik+silika+hasil+pembakaran+dianalisis+dengan+menggunakan+FTIR%2C+XRD%2C+dan+SEM.+Hasil++karakterisasi+FTIR+menunjukkan+adanya+puncak+bilangan+gelombang+dengan++gugus+fungsi+O-H%2C+Si-O-Si+dan+Si-O.+Hasil+karakterisasi+XRD+menunjukkan+bahwa+pola+sinar-x+sampel+silika+memiliki+struktur+kristal+dengan+fasa+crystobalite+dan+quartz.+Hasil+karakterisasi+SEM+menunjukkan+bahwa+permukaan+sampel+diuji+memiliki+ukuran+butiran+yang+semakin+merata%2C+lebih+halus+dan+bentuk+butiran+semakin+terlihat+seragam.%0D%0A%0D%0AKata+kunci.+silika%2C+daun+bambu%2C+leaching+asam+sitrat%2C+DTA%2FTGA%2C+FTIR%2C+XRD%2C+dan+SEM.%0D%0A%0D%0A%0D%0A%0D%0ALeaching+method+using+citric+acid+aims+to+eliminate+impurities+and+substances+that+are+not+needed+in+bamboo+leaves.+Bamboo+leaves+before+the+citric+acid+leaching+were+characterized+using+DTA%2FTGA.+The+results+of+the+analysis+of+the+DTA%2FTGA+show+that+the+mass+of+a+very+large+shrinkage+in+bamboo+leaves%2C+indicating+the+evaporation+of+organic+substances+in+the+previous+high+temperature+heating+process%2C+as+well+as+the+contribution+of+the+residual+carbon+in+the+samples+indicated+the+presence+of+considerable+mass+shrinkage+at+a+temperature+of+949%C2%B0C+for+77%2C02%25.Prior+to+burning%2C+bamboo+leaves+leached+using+citric+acid+5%25.+Combustion+temperature+used+is+800%C2%B0C-1000%C2%B0C+in+order+to+obtain+silica+powder.+Samples+of+silica+ceramic+combustion+products+were+analyzed+using+FTIR%2C+XRD%2C+and+SEM.+FTIR+characterization+results+indicate+the+peak+wave+number+of+functional+groups+OH%2C+Si-O-Si+and+Si-O.+XRD+characterization+results+indicate+that+the+pattern+of+the+x-ray+crystal+structure+of+silica+samples+with+cristobalite+phase+and+quartz+phase.+SEM+characterization+results+showed+that+the+surface+of+the+grain+size+of+the+sample+tested+had+more+equitable%2C+more+refined+and+more+granular+look+even.%0D%0A%0D%0AKeywords.+silica%2C+bamboo+leaves%2C+leaching+citric+acid%2C+DTA%2FTGA%2C+FTIR%2C+XRD%2C+and+SEM.%0D%0A&rft.publisher=Universitas+Lampung&rft.date=2014-07-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F1%2F1.%2520COVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F2%2F2.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F3%2F3.%2520ABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F4%2F4.%2520HALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F5%2F5.%2520HALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F6%2F6.%2520HALAMAN%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F7%2F7.%2520RIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F8%2F8.%2520PERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F9%2F9.%2520MOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F10%2F10.%2520SANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F11%2F11.%2520DAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F12%2F12.%2520DAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F13%2F13.%2520DAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F14%2F14.%2520BAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F15%2F15.%2520BAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F16%2F16.%2520BAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F17%2F17.%2520BAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F2618%2F18%2F18.%2520BAB%2520V.pdf&rft.format=text&rft.identifier=http%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