?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EKSTRAKSI+DAN+KARAKTERISASI+TiO2+DARI+PASIR+BESI%0D%0ALAMPUNG+MENGGUNAKAN+METODE+LEACHING+HCl+DENGAN%0D%0AVARIASI+WAKTU%0D%0A&rft.creator=YUDHISTIRA+NOVITA+HANDAYANI%2C+1717041006&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Telah+dilakukan+penelitian+ekstraksi+dan+karakterisasi+TiO2+dari+pasir+besi%0D%0ALampung+menggunakan+metode+leaching+HCl+dengan+variasi+waktu.+Pasir+besi%0D%0Ayang+digunakan+dalam+penelitian+ini+berasal+dari+Pesisir+Barat.+Penelitian+ini%0D%0Abertujuan+untuk+mengetahui+bagaimana+komposisi%2C+dan+struktur+fasa+yang%0D%0Aterbentuk+sebelum+dan+setelah+proses+leaching%2C+serta+mengetahui+morfologi+dan%0D%0Akandungan+elementer+pada+pasir+besi+setelah+proses+leaching.+Variasi+waktu%0D%0Aleaching+yang+digunakan+yaitu+2%2C+3%2C+4%2C+5%2C+dan+6+jam+dengan+konsentrasi+larutan%0D%0AHCl+12+M+dan+suhu+leaching+110%EF%82%B0C.+Serbuk+TiO2+dikalsinasi+pada+suhu+480%EF%82%B0C%0D%0Adengan+waktu+tahan+2+jam.+Karakterisasi+yang+dilakukan+yaitu+X-Ray+Flouresence%0D%0A(XRF)%2C+X-Ray+Diffraction+(XRD)%2C+dan+Scanning+Electron+Microscopy-Energy%0D%0ADispersive+Spectroscopy+(SEM-EDS).+Hasil+yang+diperoleh+pada+analisis+XRF%0D%0Ayaitu+komposisi+TiO2+terbesar+diperoleh+pada+sampel+dengan+waktu+leaching+2%0D%0Ajam+yaitu+sebesar+60%2C701%25.+Difraktogram+XRD+menunjukkan+bahwa+fasa+TiO2%0D%0Ayang+terbentuk+yaitu+fasa+rutil+dan+brukit.+Morfologi+permukaan+yang+terbentuk%0D%0Ayaitu+berbentuk+kumpulan+butir+dengan+kandungan+elementer+Ti+sebesar+0%2C03%25.%0D%0ABerdasarkan+hasil+di+atas%2C+maka+proses+leaching+dapat+meningkatkan+persentase%0D%0Akadar+kemurnian+TiO2+pada+pasir+besi.%0D%0AKata+kunci+%3A+Brukit%2C+HCl%2C+leaching%2C+pasir+besi%2C+rutil%2C+TiO2.%0D%0A%0D%0AResearch+has+been+carried+out+on+the+extraction+and+characterization+of+TiO2%0D%0Afrom+Lampung+iron+sands+using+the+HCl+leaching+method+with+time+variations.%0D%0AThe+iron+sand+used+in+this+study+obtained+from+the+Pesisir+Barat%2C+Lampung%0D%0AProvince.+This+study+aims+to+determine+the+composition+and+structure+of+the%0D%0Aphases+formed+before+and+after+the+leaching+process%2C+as+well+as+to+determine+the%0D%0Amorphology+and+elementary+content+of+iron+sand+after+the+leaching+process.+The%0D%0Aleaching+time+variations+used+are+2%2C+3%2C+4%2C+5%2C+and+6+hours+with+HCl+concentration%0D%0A12+M+and+leaching+temperature+110%EF%82%B0C.+TiO2+powder+was+calcined+at+480%EF%82%B0C+with%0D%0Aa+holding+time+of+2+hours.+The+characterizations+carried+out+were+X-Ray%0D%0AFluorescence+(XRF)%2C+X-Ray+Diffraction+(XRD)%2C+and+Scanning+Electron%0D%0AMicroscopy-Energy+Dispersive+Spectroscopy+(SEM-EDS).+The+results+obtained+in%0D%0AXRF+analysis+that+is+the+composition+of+the+largest+TiO2+obtained+in+samples+with%0D%0Aa+leaching+time+of+2+hours%2C+i.e.+60.701%25.+The+XRD+diffractogram+shows+that+the%0D%0Aformed+TiO2+phases+are+Rutile+and+Brookite+phases.+The+surface+morphology%0D%0Aformed+is+in+the+form+of+a+collection+of+grains+with+an+elementary+content+of+Ti+is%0D%0A0.03%25.+Based+on+the+results%2C+the+leaching+process+by+HCl+can+increase+the+purity%0D%0Apercentage+of+TiO2+in+iron+sand.%0D%0AKeywords%3A+Brookite%2C+HCl%2C+iron+sand%2C+leaching%2C+rutile%2C+TiO2.&rft.publisher=Fakultas+Teknik&rft.date=2021-11-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60545%2F1%2F1.%2520ABSTRAK%2520-%2520ALLIF%2520Printing.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60545%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520ALLIF%2520Printing.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F60545%2F3%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520ALLIF%2520Printing.pdf&rft.identifier=++YUDHISTIRA+NOVITA+HANDAYANI%2C+1717041006++(2021)+EKSTRAKSI+DAN+KARAKTERISASI+TiO2+DARI+PASIR+BESI+LAMPUNG+MENGGUNAKAN+METODE+LEACHING+HCl+DENGAN+VARIASI+WAKTU.++Fakultas+Teknik%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F60545%2F