?url_ver=Z39.88-2004&rft_id=1417041009&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=%0D%0APENGARUH+KONSENTRASI+EKSTRAK+KULIT+BUAH+MAJA+(AEGLE+MARMELOS+(L.)+COREA)+TERHADAP+LAJU+KOROSI+BAJA+KARBON+API+5L+PADA+MEDIUM+NaCl+3%25+DAN+H2SO4+3%25%0D%0A&rft.creator=AMILIA+RASITIANI%2C+1417041009&rft.subject=QC+Physics&rft.description=%0D%0ATelah+dilakukan+penelitian+mengenai+pengaruh+konsentrasi+ekstrak+kulit+buah+maja+sebagai+inhibitor+pada+baja+karbon+API+5L+dalam+medium+korosif+NaCl+3%25+dan+H2SO4+3%25.+Perendaman+baja+karbon+API+5L+dilakukan+selama+35+hari+dengan+variasi+konsentrasi+penambahan+inhibitor+ekstrak+kulit+buah+maja+0%25%2C+0%2C4%25%2C+0%2C5%25%2C+0%2C6%25%2C+0%2C7%25%2C+dan+0%2C8%25.+Pengujian+laju+korosi+dilakukan+dengan++metode+kehilangan+berat.+Hasil+penelitian+menunjukkan+laju+korosi+terbesar+pada+medium+korosif+NaCl+3%25+dan+H2SO4+3%25+adalah+pada+konsentrasi+inhibitor+0%25+%2C+yaitu+sebesar+0%2C06+x+104+mm%2Fy+dan+16%2C55+x+104+mm%2Fy.+Sementara%2C+laju+korosi+terendah+yaitu+pada+konsentrasi+inhibitor+0%2C8%25+untuk+medium+korosif+NaCl+3%25+dan+0%2C5%25+untuk+medium+korosif+H2SO4+3%25.+Sehingga+efektivitas+korosi+yang+paling+besar+terjadi+pada+konsentrasi+0%2C8%25+pada+medium+korosif++NaCl+3%25+dengan+efektivitas+sebesar+85%2C71%25%2C+dan+0%2C5%25+pada+medium+korosif+H2SO4+3%25+dengan+efektivitas+sebesar+79%2C35%25.+Hasil+karakterisasi+X-Ray+Diffraction+(XRD)+memperlihatkan+bahwa+fasa+yang+terbentuk+adalah+Fe+murni.+Karakterisasi+Scanning+Electron+Microscopy+(SEM)+memperlihatkan+cluster+(gumpulan)+tidak+merata+dan+ukuran+lebih+kecil%2C+lubang+(hole)+dan+retakan+(crack)+juga+lebih+sedikit+dengan+inhibitor+0%2C8%25+untuk+medium+korosif+NaCl+3%25+dan+0%2C5%25+untuk+medium+korosif+H2SO4+3%25+dibandingkan+dengan+inhibitor+0%25+ekstrak+kulit+buah+maja+pada+medium+korosif+NaCl+3%25+dan+H2SO4+3%25.+Karakterisasi+Energy+Dispersive+Spectroscopy+(EDS)+pada+sampel+dengan+medium+korosif+H2SO4+3%25+didapatkan+unsur+S+(Sulfat).%0D%0A%0D%0A%0D%0AKata+kunci%3A+Baja+karbon+API+5L%2C+ekstrak+kulit+buah+maja%2C+inhibitor+korosi%2C+NaCl%2C+dan+H2SO4.%0D%0A%0D%0A%0D%0AASBTRACT%0D%0A%0D%0A%0D%0AA+study+has+been+conducted+on+the+extract+concentration+effect+of+Maja+Peel+as+an+inhibitor+of+low+carbon+API+5L+in+corrosive+medium+of+NaCl+3%25+and+H2SO4+3%25.+The+soaking+process+of+low+carbon+API+5L+was+done+for+35+days+with+variation+of+addition+inhibitor+concentrations+at+0%25%2C+0%2C4%25%2C+0%2C5%25%2C+0%2C6%25%2C+0%2C7%25%2C+and+0%2C8%25.+The+testing+of+Corrosion+rate+is+done+by+weight+loss+method.+The+results+showed+that+the+highest+corrosive+rate+in+corrosive+medium+of+NaCl+3%25+and+H2SO4+3%25+was+at+0%25+which+is+inhibitor+concentration%2C+0%2C06+x+104+mm%2Fy+and+16%2C55+x+104+mm%2Fy+concentration.+Meanwhile%2C+the+lowest+corrosion+rate+at+0.8%25+inhibitor+concentration+for+corrosive+medium+of+NaCl+3%25+and+0.5%25+for+H2SO4+3%25+corrosive+medium.+Hence%2C+the+greatest+effectiveness+of+corrosion+occurs+at+the+concentration+of+0.8%25+in+a+corrosive+medium+of+NaCl+3%25+with+effectiveness+of+85%2C71%25+and+0.5%25+in+corrosive+medium+of+H2SO4+3%25+with+the+effectiveness+of+79.35%25.+The+characterization+result+of+X-Ray+Diffraction+(XRD)+shows+that+the+phase+formed+is+pure+Fe.+Characterization+of+Scanning+Electron+Microscopy+(SEM)+showed+uneven+clusters+and+smaller+sizes%2C+holes+and+cracks+also+with+less+than+0.8%25+inhibitors+for+corrosive+medium+of+NaCl+3%25+and+0.5%25+for+corrosive+medium+of+H2SO4+3%25+compared+with+0%25+inhibitor+of+maja+peel+extract+on+corrosive+medium+of+NaCl+3%25+and+H2SO4+3%25.+Characterization+of+Energy+Dispersive+Spectroscopy+(EDS)+in+samples+with+corrosive+medium+of+H2SO4+3%25+obtained+the+element+S+(Sulfate).%0D%0A%0D%0A%0D%0AKeywords%3A+low+carbon+API+5L%2C+the+extract+of+maja+peel%2C+corrosion+inhibitor%2C+NaCl%2C+and+H2SO4.%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2018-06-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31909%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31909%2F9%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31909%2F10%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AMILIA+RASITIANI%2C+1417041009++(2018)++PENGARUH+KONSENTRASI+EKSTRAK+KULIT+BUAH+MAJA+(AEGLE+MARMELOS+(L.)+COREA)+TERHADAP+LAJU+KOROSI+BAJA+KARBON+API+5L+PADA+MEDIUM+NaCl+3%25+DAN+H2SO4+3%25.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31909%2F