?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFEK+PENAMBAHAN+PERPADUAN+EKSTRAK+GAMBIR+DENGAN+ASAM+BENZOAT+SEBAGAI+INHIBITOR+PEMBENTUKAN+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN%0D%0AMETODE+SEEDED+EKSPERIMEN+(EFFECT+THE+ADDITION+OF+A+FUSION+EXTRACT+GAMBIER+WITH+BENZOIC+ACID+AS+INHIBITOR+THE+FORMATION+OF+A+SCALE+CALSIUM+CARBONATE+(CaCO3)+WITH+THE+METHOD+SEEDED+EXPERIMENT)&rft.creator=Syarifsah%2C+Rinawati&rft.subject=Q+Science+(General)&rft.subject=QD+Chemistry&rft.description=Kerak+telah+menjadi+masalah+yang+cukup+serius+di+bidang+industri%2C+terutama+industri+minyak+dan+gas.+Oleh+karena+itu%2C+dalam+penelitian+ini+telah+dilakukan+penambahan+inhibitor+perpaduan+senyawa+ekstrak+gambir+dengan+asam+benzoat+untuk+mengurangi+dampak+negatif+yang+ditimbulkan+oleh+kerak+tersebut.+Pada+penelitian+ini+telah+dilakukan+penambahan+inhibitor+terhadap+kerak+kalsium+karbonat+(CaCO3)+dengan+menggunakan+metode+penambahan+bibit+kristal+(seeded+experiment)+pada+konsentrasi+CaCO3+sebesar+0%2C05%2C+0%2C075%2C+dan+0%2C1+M+serta+variasi+inhibitor+sebesar+25%2C+75%2C+dan+125+ppm.+Berdasarkan+analisis+kualitatif+menggunakan+Scanning+Electron+Microscopy+(SEM)+menunjukan+bahwa+morfologi+permukaan+kerak+CaCO3+tanpa+inhibitor+lebih+besar+dibandingkan+dengan+adanya+inhibitor+sedangkan+analisis+kuantitatif+menggunakan+Particle+Size+Analyzer+(PSA)+menunjukan+bahwa+distribusi+ukuran+partikel+kerak+CaCO3+menjadi+lebih+kecil+dengan+adanya+penambahan+inhibitor.+Berdasarkan+persentase+(%25)+kemampuan+menghambat%2C+konsentrasi+optimum+perpaduan+ekstrak+gambir+dengan+asam+benzoat+dapat+menghambat+kerak+CaCO3+0%2C1+M+yaitu+pada+konsentrasi+250+ppm+dengan+%25+kemampuan+menghambat+pada+metode+seeded+experiment+sebesar+24%2C9+%25.%0D%0AKata+kunci+%3A+Gambir%2C+Asam+Benzoat%2C+kerak+CaCO3+(Scale+has+become+quite+serious+problems+in+industries%2C+especially+in+oil+and+gas+industry.+Therefore%2C+in+this+research+it+has+been+conducted+addition+of+inhibitor+compound+from+gambier+ekstract+mixed+with+benzoic+acid+to+reduce+negative+impact+caused+by+scale+formation.+In+this+research+it+has+been+carried+out+the+addition+of+inhibitor+to+calcium+carbonate+scale+(CaCO3)+by+using+seeded+experiment+method+in+CaCO3+concentrations+of+0.05%2C+0.075%2C+and+0.1+M+as+well+as+variation+inhibitors+of+25%2C+75%2C+and+125+ppm.+Based+on+qualitative+analysis+using+Scanning+Electron+Microscopy+(SEM)%2C+it+was+showed+that+CaCO3+cristal+size+without+addition+of+inhibitor+is+bigger+than+with+addition+of+inhibitor%2C+while+quantitative+analysis+using+Particle+Size+Analyzer+(PSA)+shows+that+CaCO3+particle+size+distribution+is+smaller.+Based+on+the+percentage+of+inhibiting%2C+the+optimum+concentration+of+gambier+extract+combination+with+benzoic+acid+is+at+ratio+1+%3A+1+at+125+ppm+of+gambier+ekstract+and+benzoic+acid+with+%25+ability+of%0D%0A24%2C9+%25.%0D%0AKeywords+%3AGambier%2C+Benzoat+Acid%2C+Scale+CaCO3)&rft.publisher=Fakultas+MIPA&rft.date=2013-09-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F1%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F4%2FHALAMAN%2520MENYETUJUI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F7%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F8%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F9%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F10%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F11%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F12%2FDAFTAR%2520PUSTAKA.pdf&rft.format=archive&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F13%2FLAMPIRAN.zip&rft.identifier=++Syarifsah%2C+Rinawati++(2013)+EFEK+PENAMBAHAN+PERPADUAN+EKSTRAK+GAMBIR+DENGAN+ASAM+BENZOAT+SEBAGAI+INHIBITOR+PEMBENTUKAN+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN+METODE+SEEDED+EKSPERIMEN+(EFFECT+THE+ADDITION+OF+A+FUSION+EXTRACT+GAMBIER+WITH+BENZOIC+ACID+AS+INHIBITOR+THE+FORMATION+OF+A+SCALE+CALSIUM+CARBONATE+(CaCO3)+WITH+THE+METHOD+SEEDED+EXPERIMENT).++Fakultas+MIPA%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F905%2F