?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFEK+PENAMBAHAN+SENYAWA+EKSTRAK+KULIT+BUAH+MANGGIS+(G.+mangostana+L)+SEBAGAI+INHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN+METODE+UNSEEDED+EXPERIMENT&rft.creator=Nico+Mei+Chandra%2C+1117011039&rft.subject=QD+Chemistry&rft.description=In+this+research%2C+it+has+been+conducted+the+addition+of+inhibitor+compounds%0D%0Amangosteen+peel+extract+on+the+calcium+carbonate+(CaCO3)+scale+using+method%0D%0Awithout+the+addition+of+seed+crystals+(unseeded+experiment)+at+various%0D%0Aconcentration+of+CaCO3+0%2C075%3B+0%2C100+and+0%2C125+M+and+variations+concentrations%0D%0Aof+inhibitors+added+were+around+0%2C+50%2C+150%2C+and+250+ppm.+The+results+based+on+a%0D%0Aqualitative+analysis+using+Scanning+Electron+Microscopy+(SEM)+showed+that+the%0D%0Asize+of+CaCO3+without+addition+of+inhibitors+is+bigger+than+the+addition+of%0D%0Ainhibitors.+While+quantitative+analysis+using+a+particle+size+analyzer+(PSA)%0D%0Ashowed+that+the+particle+size+distribution+crust+CaCO+3+becomes+smaller+with+the%0D%0Aaddition+of+inhibitors+are+assessed+based+on+the+size+of+the+average+particle+of%0D%0ACaCO3+scale+that+is+without+the+addition+of+inhibitors+have+an+average+size+of%0D%0A4.541+%CE%BCm+while+after+adding+inhibitors+have+an+average+size+of+4%2C494+lm.+Based+on%0D%0Aa+percentage+(%25)+ability+to+inhibit%2C+the+optimum+concentration+of+inhibitor+in%0D%0Ainhibiting+crust+CaCO+3+0.075+M+is+at+a+concentration+of+150+ppm+with+the+result%0D%0Aof+47.21%25.%0D%0AKeywords%3A+CaCO3%2C+inhibitor%2C+mangosteen+peel+extract.%0D%0A%0D%0ADalam+penelitian+ini+telah+dilakukan+penambahan+inhibitor+senyawa+ekstrak+kulit+manggis+pada+kerak+kalsium+karbonat+(CaCO3)+menggunakan+metode+tanpa+penambahan+bibit+kristal+(unseeded+experiment)+pada+konsentrasi+CaCO3+sebesar+0%2C075%3B+0%2C100+dan+0%2C125+M+serta+variasi+inhibitor+sebesar+0%2C+50%2C+150%2C+dan+250+ppm.+Hasil+penelitian+berdasarkan+analisis+kualitatif+menggunakan+Scanning+Electron+Microscopy+(SEM)+menunjukkan+bahwa+ukuran+kristal+CaCO3+tanpa+penambahan+inhibitor+lebih+besar+dibandingkan+dengan+penambahan+inhibitor.+Sedangkan+analisis+kuantitatif+menggunakan+particle+size+analyzer+(PSA)+menunjukkan+bahwa+distribusi+ukuran+partikel+kerak+CaCO3+menjadi+lebih+kecil+dengan+adanya+penambahan+inhibitor+yang+dinilai+berdasarkan+pada+ukuran+rata-rata+partikel+kerak+CaCO3+yakni+tanpa+penambahan+inhibitor+memiliki+ukuran+rata-rata+4%2C541+%CE%BCm+sedangkan+setelah+penambahan+inhibitor+memiliki+ukuran+rata-rata+sebesar+4%2C494+%CE%BCm.+Berdasarkan+persentase+(%25)+kemampuan+menghambat%2C+konsentrasi+optimum+inhibitor+dalam+menghambat+kerak+CaCO3+0%2C075+M+yaitu+pada+konsentrasi+150+ppm+dengan+hasil+47%2C21%25.%0D%0AKata+kunci+%3A+CaCO3%2C+ekstrak+kulit+manggis%2C+inhibitor.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2015-10-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F1%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F4%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F5%2FPERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F8%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F9%2FMOTTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F11%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F12%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F13%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F20%2FPENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F18%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F14053%2F19%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++Nico+Mei+Chandra%2C+1117011039++(2015)+EFEK+PENAMBAHAN+SENYAWA+EKSTRAK+KULIT+BUAH+MANGGIS+(G.+mangostana+L)+SEBAGAI+INHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN+METODE+UNSEEDED+EXPERIMENT.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUN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