?url_ver=Z39.88-2004&rft_id=1917011053&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+DSPE+BERBASIS+GRAPHENE+OXIDE+(GO)+DARI+LIMBAH%0D%0AKULIT+SINGKONG+DALAM+PENENTUAN+RESIDU+ANTIBIOTIK%0D%0ACIPROFLOXACIN&rft.creator=AHMAD+%2C+ISRO&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Angka+kasus+penyakit+infeksi+yang+cukup+tinggi+akan+meningkatkan+jumlah%0D%0Apenggunaan+antibiotik.+Antibiotik+yang+banyak+digunakan+salah+satunya+adalah%0D%0Aciprofloxacin.+Meningkatnya+penggunaan+antibiotik+dapat+menyebabkan+timbulnya%0D%0Amasalah+baru+yang+serius%2C+yaitu+munculnya+residu+antibiotik+di+lingkungan+perairan.%0D%0AResidu+antibiotik+tersebut+lama-kelamaan+akan+meningkatkan+resistensi+bakteri.%0D%0ADispersive+solid+phase+extraction+(DSPE)+salah+satu+teknik+preparasi+sampel+yang%0D%0Adapat+digunakan+dalam+penentuan+residu+antibiotik+ciprofloxacin.+Graphene+oxide%0D%0A(GO)+dapat+dipilih+sebagai+fase+padat+DSPE.+Limbah+kulit+singkong+memiliki+unsur%0D%0Akarbon+serta+selulosa+cukup+tinggi%2C+sehingga+berpotensi+untuk+digunakan+sebagai%0D%0Abahan+baku+dalam+pembuatan+GO.+Pembuatan+GO+dilakukan+menggunakan+metode%0D%0AHummers+termodifikasi.+Karakterisasi+GO+dilakukan+menggunakan+instrumen%0D%0AFTIR+untuk+mengetahui+gugus+fungsi%2C+XRD+untuk+mengetahui+kristalinitas%2C+serta%0D%0ASEM-EDX+untuk+mengetahui+morfologi+permukaan+dan+komposisi+unsur+yang%0D%0Aterdapat+pada+GO.+Optimasi+DSPE+menggunakan+GO+kulit+singkong+dilakukan%0D%0Adengan+lima+variasi%2C+yaitu+variasi+konsentrasi%2C+pH%2C+massa%2C+waktu+kontak+dan+pelarut%0D%0Adesorpsi.+Hasil+penelitian+menunjukkan+bahwa+kondisi+optimum+DSPE%0D%0Amenggunakan+GO+sebanyak+25+mg+dengan+konsentrasi+6+ppm+pada+kondisi+pH+3%0D%0Adan+waktu+kontak+selama+30+menit+dengan+adsorpsi+sebesar+89%2C37%25+serta%0D%0Amenggunakan+pelarut+metanol-asam+asetat+(80%2F20%2C+v%2Fv)+untuk+proses+desorpsi%0D%0Adengan+desorpsi+sebesar+92%2C96%25.%0D%0AKata+kunci%3A+Antibiotik+ciprofloxacin%2C+DSPE%2C+kulit+singkong%2C+graphene+oxide%0D%0A%0D%0AThe+high+number+of+infectious+disease+cases+will+increase+the+amount+of+antibiotic%0D%0Ause.+One+of+the+widely+used+antibiotics+is+ciprofloxacin.+The+increasing+use+of%0D%0Aantibiotics+can+cause+serious+problems%2C+the+emergence+of+antibiotic+residues+in+the%0D%0Aaquatic+environment.+The+antibiotic+residues+will+eventually+increase+bacterial%0D%0Aresistance.+Dispersive+solid+phase+extraction+(DSPE)+is+one+of+the+sample%0D%0Apreparation+techniques+that+can+be+used+in+the+determination+of+ciprofloxacin%0D%0Aantibiotic+residues.+Graphene+oxide+(GO)+can+be+selected+as+a+DSPE+solid+phase.%0D%0ACassava+peel+waste+has+high+carbon+and+cellulose+elements%2C+so+it+has+potential+to+be%0D%0Aused+as+raw+material+in+the+manufacture+of+GO.+GO+manufacturing+was+carried+out%0D%0Ausing+the+modified+Hummers+method.+Characterization+of+GO+was+carried+out+using%0D%0AFTIR+instruments+to+determine+the+functional+groups%2C+XRD+to+determine+the%0D%0Acrystallinity%2C+and+SEM-EDX+to+determine+the+surface+morphology+and+elemental%0D%0Acomposition+contained+in+GO.+DSPE+optimization+based+on+GO+from+cassava+peel%0D%0Awas+carried+out+with+five+variations%2C+namely+variations+in+concentration%2C+pH%2C+mass%2C%0D%0Acontact+time+and+desorption+solvent.+The+results+showed+that+the+optimum%0D%0Aconditions+using+GO+as+much+as+25+mg+with+a+concentration+of+6+ppm+at+pH+3+and%0D%0Acontact+time+for+30+minutes+with+an+adsorption+89%2C37%25+and+using+methanol-acetic%0D%0Aacid+solvent+(80%2F20%2C+v%2Fv)+for+the+desorption+process+with+a+desorption+92%2C96%25.%0D%0AKeywords%3A+Ciprofloxacin+antibiotics%2C+DSPE%2C+cassava+peel%2C+graphene+oxide&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-07-28&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74880%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74880%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74880%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AHMAD+%2C+ISRO++(2023)+OPTIMASI+DSPE+BERBASIS+GRAPHENE+OXIDE+(GO)+DARI+LIMBAH+KULIT+SINGKONG+DALAM+PENENTUAN+RESIDU+ANTIBIOTIK+CIPROFLOXACIN.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F74880%2F