?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EKSTRAKSI+HEMATIT+(%CE%B1-Fe2O3)+DARI+PASIR+BESI+PESISIR+BARAT%0D%0ASEBAGAI+NANOPARTIKEL+DENGAN+METODE+KOPRESIPITASI&rft.creator=M.+Rafli%2C++Akbar%09&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Provinsi+Lampung+sebagai+salah+satu+daerah+yang+memiliki+potensi+sumber+daya%0D%0Aalam+berupa+pasir+besi.+Pada+penelitian+ini%2C+diperoleh+pasir+besi+dari+Pantai%0D%0ATembakak+yang+terletak+di+Kabupaten+Pesisir+Barat+menggunakan+teknik+random%0D%0Asampling.+Kandungan+unsur+dominan+yang+diperoleh+pada+pasir+besi+Pantai%0D%0ATembakak+dari+karakterisasi+menggunakan+XRF+yaitu+unsur+Fe%2C+Si%2C+Ti%2C+Al%2C+Ca%2C%0D%0Adan+K%2C+dengan+konsentrasi+kandungan+berturut-turut+sebesar+58%2C294%25%3B+18%2C525%25%3B%0D%0A8%2C775%25%3B+6%2C785%25%3B+3%2C885%25%3B+1%2C624%25.+Selain+itu%2C+pasir+besi+ini+juga+mengandung%0D%0Abeberapa+unsur-unsur+lain+dengan+komposisi+di+bawah+0%2C5%25.+Ekstraksi+Fe2O3+dari%0D%0Apasir+besi+dilakukan+menggunakan+metode+kopresipitasi+dengan+variasi%0D%0Akonsentrasi+HCl+8+M%2C+10+M%2C+dan+12+M%2C+sehingga+diperoleh+serbuk+berwarna+merah%0D%0Abata+dengan+rendemen+sebesar+18%2C94%25%3B+20%2C38%25%3B+dan+22%2C72%25.+Sampel+hasil%0D%0Aekstraksi+dilakukan+karakterisasi+menggunakan+XRF+dan+didapat+kandungan%0D%0AFe2O3+pada+variasi+konsentrasi+HCl+8+M+sebesar+87%2C809%25%3B+variasi+konsentrasi+HCl%0D%0A10+M+sebesar+90%2C500%25%3B+dan+variasi+konsentrasi+HCl+8+M+sebesar+91%2C061%25%2C+hal+ini%0D%0Amenunjukkan+bahwa+kandungan+Fe2O3+semakin+meningkat+seiring+dengan%0D%0Apekatnya+konsentrasi+HCl.+Sampel+hasil+ekstraksi+variasi+konsentrasi+12+M%0D%0Adilakukan+karakterisasi+menggunakan+XRD+dan+SEM.+Pada+hasil+karakterisasi%0D%0AXRD+menunjukkan+bahwa+Fe2O3+yang+diperoleh+memiliki+fasa+hematit+dan%0D%0Abentuk+struktur+kristal+heksagonal+dengan+a+%3D+b+%3D+5%2C0350+%C3%85+dan+c+%3D+13%2C7470+%C3%85%2C%0D%0Aserta+nilai+sudut+%CE%B1+%3D+%CE%B2+%3D+90o%0D%0A%0D%0Adan+%CE%B3+%3D+120o%0D%0A%0D%0A.+Dari+hasil+perhitungan+menggunakan%0D%0Apersamaan+Scherrer%2C+diperoleh+ukuran+kristal+hematit+sebesar+56%2C18+nm%2C+sehingga%0D%0Atermasuk+kedalam+golongan+nanopartikel.+Hasil+karakterisasi+menggunakan+SEM%0D%0Amenunjukkan+bahwa+morfologi+permukaan+telah+homogen+dan+terbentuk+grain%0D%0A(butiran)+serta+memiliki+bentuk+partikel+yang+relatif+seragam.%0D%0AKata+Kunci%3A+Pasir+Besi%2C+Fe2O3%2C+Kopresipitasi%2C+Nanopartikel%0D%0A%0D%0ALampung+Province+is+one+of+the+areas+that+has+natural+resource+potential+in+the%0D%0Aform+of+iron+sand.+In+this+research%2C+iron+sand+was+obtained+from+Tembakak+Beach%0D%0Awhich+is+located+in+Pesisir+Barat+Regency+using+random+sampling+technique.+The%0D%0Adominant+element+content+obtained+in+Tembakak+Beach+iron+sand+from%0D%0Acharacterization+using+XRF+is+the+elements+Fe%2C+Si%2C+Ti%2C+Al%2C+Ca%2C+and+K+with%0D%0Arespective+concentrations+of+58.294%25%3B+18.525%25%3B+8.775%25%3B+6.785%25%3B+3.885%25%3B+and%0D%0A1.624%25.+Apart+from+that%2C+iron+sand+also+contains+several+other+elements+with+a%0D%0Acomposition+below+0.5%25.+Extraction+of+Fe2O3+from+iron+sand+was+carried+out%0D%0Ausing+a+coprecipitation+method+with+variations+in+HCl+concentrations+of+8+M%2C+10%0D%0AM%2C+and+12+M%2C+resulting+in+a+brick+red+powder+with+a+yield+of+18.94%25%3B+20.38%25%3B+and%0D%0A22.72%25.+The+extracted+samples+were+characterized+using+XRF+and+obtained+Fe2O3%0D%0Acontent+at+variation+in+8+M+HCl+concentration+of+87.809%25%3B+variation+in+10+M+HCl%0D%0Aconcentration+of+90.500%25%3B+and+variation+in+8+M+HCl+concentration+of+91.061%25%2C%0D%0Athis+shows+that+the+content+Fe2O3+increases+along+with+the+concentration+of+HCl%0D%0Aincreases.+Sample+extracted+from+variations+in+concentration+of+12+M+were%0D%0Acharacterized+using+XRD+and+SEM.+The+XRD+characterization+results+show+that%0D%0AFe2O3+obtained+has+a+hematite+phase+and+has+a+hexagonal+crystal+structure+with+a%0D%0A%3D+b+%3D+5.0350+%C3%85+and+c+%3D+13.7470+%C3%85%2C+and+an+angle+value+%CE%B1+%3D+%CE%B2+%3D+90o%0D%0A%0D%0Aand+%CE%B3+%3D+120o%0D%0A.%0D%0AFrom+the+calculation+results+using+the+Scherrer+equation%2C+obtained+a+hematite%0D%0Acrystal+size+of+56.18+nm%2C+so+it+is+included+in+the+nanoparticle+group.+The+results+of%0D%0Acharacterization+using+SEM+show+that+the+surface+morphology+is+homogeneous%0D%0Aand+grains+are+formed+and+the+particle+shape+is+relatively+uniform.%0D%0A%0D%0AKey+words%3A+Iron+Sand%2C+Fe2O3%2C+Coprecipitation%2C+Nanoparticle&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-05-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86902%2F1%2FAbstrak_M.%2520Rafli%2520Akbar_2017011024%2520-%2520M.%2520Rafli%2520Akbar.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86902%2F2%2FFull%2520Skripsi_M.%2520Rafli%2520Akbar_2017011024%2520-%2520M.%2520Rafli%2520Akbar.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F86902%2F3%2FFull%2520Skripsi%252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