?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PERBANDINGAN+EKSTRAK+KEMENYAN+DAN+CAMPURAN%0D%0AEKSTRAK+GAMBIR%2C+ASAM+BENZOAT%2C+DAN+ASAM+SITRAT+SEBAGAI%0D%0AINHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN%0D%0AMENGGUNAKAN+METODE+SEEDED+EXPERIMENT&rft.creator=TIAND+RENO+%2C+1217011062&rft.subject=QD+Chemistry&rft.description=ABSTRAK%0D%0A%0D%0APembentukan+kerak+CaCO3+dalam+pipa-pipa+industri+terutama+pada+industri%0D%0Aminyak+dan+gas+dapat+menimbulkan+masalah+yang+cukup+serius.+Oleh+karena+itu%2C%0D%0Adalam+penelitian+ini+telah+dilakukan+pengujian+dua+jenis+inhibitor+yaitu+senyawa%0D%0Aekstrak+kemenyan+dan+campuran+ekstrak+gambir%2C+asam+benzoat%2C+dan+asam+sitrat%0D%0Adengan+perbandingan+(2%3A1%3A2)+pada+kerak+kalsium+karbonat+(CaCO3)+menggunakan%0D%0Ametode+penambahan+bibit+kristal+(seeded+experiment)+dengan+suhu+90oC+pada%0D%0Akonsentrasi+larutan+pertumbuhan+CaCO3+sebesar+0%2C050%3B+0%2C075%3B+0%2C100%3B+dan+0%2C125+M%0D%0Aserta+variasi+inhibitor+dari+50%2C+150%2C+250+dan+350+ppm.+Efektifitas+tertinggi+terjadi%0D%0Apada+konsentrasi+pertumbuhan+larutan+CaCO3+dan+konsentrasi+inhibitor+yang%0D%0Asama%2C+yaitu+pada+konsentrasi+larutan+pertumbuhan+kristal+CaCO3+0%2C050+M+dan%0D%0Akonsentrasi+inhibitor+350+ppm.+Persen+efektifitas+tertinggi+pada+ekstrak+kemenyan%0D%0Ayaitu+31%2C10%25+dan+pada+campuran+ekstrak+gambir%2C+asam+benzoat%2C+dan+asam+sitrat%0D%0Ayaitu+78%2C30%25.+Berdasarkan+analisis+kualitatif+menggunakan+scanning+electron%0D%0Amicroscopy+(SEM)+menunjukan+bahwa+ukuran+kerak+CaCO3+tanpa+inhibitor+lebih%0D%0Abesar+dibandingkan+dengan+penambahan+inhibitor+sedangkan+analisis+kuantitatif%0D%0Amenggunakan+particle+size+analyzer+(PSA)+menunjukan+bahwa+distribusi+ukuran%0D%0Apartikel+kerak+CaCO3+menjadi+lebih+kecil+dengan+adanya+penambahan+inhibitor.%0D%0AKata+kunci+%3A+Kerak%2C+inhibitor%2C+CaCO3+%2C+ekstrak+kemenyan%2C+ekstrak+gambir%2C+asam%0D%0Abenzoat%2C+asam+sitrat.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0AScale+formation+in+the+industrial+pipes%2C+especially+on+gas+and+oil+industry+can+lead%0D%0Ato+some+serious+problems.+Therefore+in+this+study%2C+it+has+been+tested+two+types+of%0D%0Ainhibitors%3A+the+kemenyan+extract+compounds+and+the+mixture+of+gambier+extract%2C%0D%0Abenzoic+acid%2C+and+citric+acid+with+ratio+(2%3A1%3A2)+to+calcium+carbonat+(CaCO3)+scale%0D%0Aby+using+seeded+experiment+method+with+90oC+in+the+concentration+of+CaCO3%0D%0Agrowth+solution+from+0.050%3B+0.075%3B+0.100%3B+and+0.125+M+and+variation+of+inhibitor%0D%0Afrom+50%2C+150%2C+250+and+350+ppm.+The+highest+effectiveness+occurs+in+the+same%0D%0ACaCO3+growth+concentration+and+inhibitor+concentration%2C+respectively+is+0.050+M%0D%0Aand+350+ppm.+The+highest+effectiveness+for+kemenyan+extract+is+31.10%25+and+for%0D%0Athe+mixtures+of+gambier+extract%2C+benzoic+acid%2C+and+citric+acid+is+78.30%25.%0D%0AAccording+to+qualitative+analysis+by+using+scanning+electron+microscopy+(SEM)%0D%0Ashowed+that+the+size+of+the+CaCO3+crystal+without+inhibitor+is+greater+than+CaCO3%0D%0Acrystal+with+addition+of+inhibitor+and+from+quantitative+analysis+by+using+particle%0D%0Asize+analyzer+(PSA)+can+be+concluded+that+the+particle+size+distribution+of+CaCO3%0D%0Ascale+become+smaller+with+the+inhibitor+addition.%0D%0AKeyword+%3A+Scale%2C+inhibitor%2C+CaCO3+%2C+kemenyan+extract%2C+gambier+extract%2C+benzoic%0D%0Aacid%2C+citric+acid.%0D%0A%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2016-10-31&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24476%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24476%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24476%2F3%2FSKRIPSI%2520FULL.pdf&rft.identifier=++TIAND+RENO+%2C+1217011062++(2016)+STUDI+PERBANDINGAN+EKSTRAK+KEMENYAN+DAN+CAMPURAN+EKSTRAK+GAMBIR%2C+ASAM+BENZOAT%2C+DAN+ASAM+SITRAT+SEBAGAI+INHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+DENGAN+MENGGUNAKAN+METODE+SEEDED+EXPERIMENT.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24476%2F