?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EKSTRAKSI+TITANIUM+DIOKSIDA+(TiO2)+DARI+PASIR+BESI+PANTAI%0D%0AMANDIRI+PESISIR+BARAT+SEBAGAI+NANOPARTIKEL+DENGAN%0D%0A%0D%0AMETODE+PIROMETALURGI&rft.creator=%09Intan%2C++Aldara%09&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pasir+besi+di+Indonesia+tersebar+di+berbagai+pantai+seperti+pantai+barat+Sumatera%2C%0D%0Apantai+selatan+Jawa%2C+Kalimantan%2C+Sulawesi%2C+Nusa+Tenggara+dan+kepulauan+Maluku.%0D%0APada+penelitian+ini%2C+pasir+besi+diperoleh+dari+Pantai+Mandiri+yang+terletak+di%0D%0AKabupaten+Pesisir+Barat%2C+Provinsi+Lampung+menggunakan+metode+random%0D%0Asampling.+Preparasi+pasir+besi+dilakukan+dengan+cara+separasi+magnetik%0D%0Amenggunakan+magnet+batang+untuk+memisahkan+pasir+besi+dari+pengotornya.+Pasir%0D%0Abesi+Pantai+Mandiri+mengandung+beberapa+unsur+dominan+yaitu+Fe%2C+Si%2C+Ti%2C+Al%2C+Ca%2C%0D%0AK%2C+dan+Mn+dengan+presentase+kandungan+berturut-turut+adalah+52%2C854%3B+20%2C553%3B%0D%0A7%2C600%3B+7%2C449%3B+6%2C873%3B+2%2C076%3B+dan+0%2C556%25.+Selain+itu%2C+pasir+besi+ini+juga+mengandung%0D%0Aunsur+lain+dengan+presentase+kandungan+kurang+dari+0%2C5%25.+Ekstraksi+TiO2+dari+pasir%0D%0Abesi+dilakukan+menggunakan+metode+pirometalurgi+dengan+variasi+suhu+roasting%0D%0A600%2C+700%2C+dan+800%C2%B0C%2C+diperoleh+serbuk+berwarna+abu-abu+dengan+rendemen%0D%0Aberturut-turut+24%2C29%3B+23%2C27%3B+dan+16%2C74%25.+Sampel+hasil+ekstraksi%2C+dikarakterisasi%0D%0Amenggunakan+XRF+dan+menunjukkan+kandungan+TiO2+dalam+sampel+meningkat%0D%0Aseiring+dengan+peningkatan+suhu+roasting+yaitu+6%2C970%3B+8%2C436%3B+dan+8%2C659%25.+Sampel%0D%0Ahasil+ekstraksi+dengan+suhu+roasting+800%C2%B0C+dikarakterisasi+menggunakan+XRD+dan%0D%0ASEM.+Hasil+karakterisasi+XRD+menunjukkan+bahwa+TiO2+yang+diperoleh+memiliki%0D%0Afase+anatase+berstruktur+kristal+tetragonal+dengan+a+%3D+b+%3D+3%2C7840+%C3%85+dan+c+%3D+9%2C5150%0D%0A%C3%85%2C+serta+memiliki+nilai+sudut+%CE%B1+%3D+%CE%B2+%3D+%CE%B3+%3D+90%C2%B0%2C+serta+memiliki+ukuran+yang+tergolong%0D%0Ananopartikel+yaitu+55%2C16+nm.+TiO2+yang+tergolong+nanopartikel+dapat+dimanfaatkan%0D%0Asebagai+antibakteri+Escherichia+coli%2C+komposit+polimer%2C+dan+semikonduktor+pada%0D%0ADSSC.+Hasil+karakterisasi+dengan+SEM+menunjukkan+bahwa+morfologi+permukaan%0D%0Asampel+hasil+ekstraksi+pada+suhu+roasting+800%C2%B0C+memiliki+variasi+bentuk%2C+ukuran%2C%0D%0Adan+kontras+warna+yang+menandakan+bahwa+sampel+yang+diperoleh+memiliki%0D%0Akeberagaman+fase.%0D%0AKata+Kunci%3A+Pasir+Besi%2C+TiO2%2C+Pirometalurgi%2C+Nanopartikel%0D%0AIron+sand+in+Indonesia+is+spread+on+various+beaches+such+as+the+west+coast+of%0D%0ASumatra%2C+the+south+coast+of+Java%2C+Kalimantan%2C+Sulawesi%2C+Nusa+Tenggara+and+the%0D%0AMaluku+islands.+In+this+study%2C+iron+sand+was+obtained+from+Mandiri+Beach+located%0D%0Ain+Pesisir+Barat+Regency%2C+Lampung+Province+using+the+random+sampling.+Iron+sand%0D%0Apreparation+is+carried+out+by+magnetic+separation+using+rod+magnets+to+separate+iron%0D%0Asand+from+impurities.+The+iron+sand+of+Pantai+Mandiri+contains+several+dominant%0D%0Aelements+namely+Fe%2C+Si%2C+Ti%2C+Al%2C+Ca%2C+K%2C+and+Mn+with+a+percentage+of+content%0D%0Arespectively+is+52%2C854%3B+20%2C553%3B+7%2C600%3B+7%2C449%3B+6%2C873%3B+2%2C076%3B+and+0%2C556%25.+In+addition%2C%0D%0Athis+iron+sand+also+contains+other+elements+with+a+percentage+content+of+less+than%0D%0A0%2C5%25.+Extraction+of+TiO2+from+iron+sand+was+carried+out+using+pyrometallurgical%0D%0Amethod+with+roasting+temperature+variations+of+600%2C+700%2C+and+800%C2%B0C%2C+obtained+gray%0D%0Apowder+with+yield+of+24%2C29%3B+23%2C27%3B+and+16%2C74%25.+The+extracted+sample+was%0D%0Acharacterized+using+XRF+and+showed+that+the+TiO2+content+in+the+sample+increased%0D%0Awith+an+increase+in+roasting+temperature+of+6%2C970%3B+8%2C436%3B+and+8.659%25.+Extracted%0D%0Asamples+with+a+roasting+temperature+of+800%C2%B0C+were+characterized+using+XRD+and%0D%0ASEM.+The+result+of+XRD+characterization+show+that+the+TiO2+obtained+has+an%0D%0Aanatase+phase+with+a+tetragonal+crystal+structure+with+a+%3D+b+%3D+3%2C7840+%C3%85+and%0D%0Ac+%3D+9%2C5150+%C3%85%2C+and+has+an+angular+value+of+%CE%B1+%3D+%CE%B2+%3D+%CE%B3+%3D+90%C2%B0%2C+and+has+a+size+classified%0D%0Aas+nanoparticles+of+55%2C16+nm.+TiO2+which+is+classified+as+nanoparticles+can+be+used%0D%0Aas+antibacterial+Escherichia+coli%2C+polymer+composites%2C+and+semiconductors+in%0D%0ADSSC.+The+results+of+characterization+with+SEM+show+that+the+surface+morphology%0D%0Aof+extracted+samples+at+a+roasting+temperature+of+800%C2%B0C+has+variations+in+shape%2C%0D%0Asize%2C+and+color+contrast+which+indicates+that+the+samples+obtained+have+phase%0D%0Adiversity.%0D%0AKeywords%3A+Iron+Sand%2C+TiO2%2C+Pyrometallurgy%2C+Nanoparticles&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+&rft.date=2024-04-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85869%2F1%2FA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