?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+H2SO4+PADA+PEMBENTUKAN+NANOSILIKA%0D%0A%0D%0ABERBASIS+BATU+APUNG&rft.creator=Riska+Trisna+Nuraini%2C+1417041072&rft.subject=530+Fisika&rft.description=Abstrak.+Telah+dilakukan+penelitian+tentang+pengaruh+variasi+H2SO4+pada%0D%0Apembentukan+nanosilika+berbasis+batu+apung.+Nanosilika+diekstraksi%0D%0Amenggunakan+NaOH%2C+H2SO4+dan+HCl.+Jumlah+NaOH+dan+HCl+yang+digunakan%0D%0Amasing-masing+adalah+4%2C0+M+dan+1%2C0+M.+Titrasi+menggunakan+H2SO4+dengan%0D%0Avariasi+4%2C0+M%3B+4%2C5+M%3B+5%2C0+M%3B+5%2C5+M+dan+6%2C0+M+.+Serbuk+batu+apung+dikalsinasi%0D%0Aselama+4+jam+pada+suhu+500+oC+dan+serbuk+nanosilika+dikalsinasi+selama+5%2C5+jam%0D%0Apada+suhu+800+oC.+Hasil+X-+Ray+Flouresence+(XRF)+menunjukkan+nanosilika%0D%0Adengan+kemurnian+tertinggi+pada+variasi+H2SO4+5%2C0+M+sebesar+95%2C32+%25.+Hasil%0D%0AX-Ray+Diffractometer+(XRD)+menunjukkan+serbuk+batu+apung+membentuk+fasa%0D%0Aanorthite+dan+fasa+albite%2C+serta+variasi+H2SO4+5%2C0+M+menghasilkan+fasa+amorf.%0D%0AHasil+Transmission+Electron+Microscopy+(TEM)+menunjukkan+ukuran+partikel%0D%0Ananosilika+dengan+variasi+H2SO4+5%2C0+M+berada+pada+kisaran+4%2C8+-+11%2C3+nm+dengan%0D%0Arata-rata+(7%2C62+%C2%B1+2%2C15)+nm.%0D%0AKata+kunci%3A+Batu+apung%2C+Nanosilika%2C+dan+H2SO4%0D%0AAbstract.+Nanosilica+was+extracted+by+using+NaOH%2C+H2SO4+and+HCl.+The+amounth%0D%0Aof+NaOH+and+HCl+are+4%2C0+M+and+1%2C0+M+respectively.+The+titration+using+H2SO4%0D%0Awas+varied+of+4%2C0+M%3B+4%2C5+M%3B+5%2C0+M%3B+5%2C5+M%3B+6%2C0+M.+The+pumice+powder+was%0D%0Acalcined+for+4+hours+at+500+oC+and+the+nanosilica+powder+was+calcined+for+5%2C5%0D%0Ahours+at+800+oC.+The+results+of+X-Ray+Flouresence+(XRF)+showed+nanosilica+with%0D%0Athe+highest+purity+in+variation+of+H2SO4+5%2C0+M+at+95%2C32%25.+The+results+of+the+X-Ray%0D%0ADiffractometer+(XRD)+showed+that+pumice+consistent+the+anorthite+and+albite%0D%0Aphase.+The+variation+of+H2SO4+5%2C0+M+produced+an+amorphous+phase.+The+results%0D%0Aof+Transmission+Electron+Microscopy+(TEM)+show+nanosilica+particle+size+with%0D%0Avariations+of+H2SO4+5%2C0+M+in+the+range+4%2C8-11%2C3+nm+with+an+average+(7%2C62+%C2%B1+2%2C15)%0D%0Anm.%0D%0AKeywords%3A+Pumice%2C+Nanosilica%2C+H2SO4&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57343%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57343%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57343%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Riska+Trisna+Nuraini%2C+1417041072++(2019)+PENGARUH+VARIASI+H2SO4+PADA+PEMBENTUKAN+NANOSILIKA+BERBASIS+BATU+APUNG.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57343%2F