?url_ver=Z39.88-2004&rft_id=1857011006&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=APLIKASI+GRAPHENE+OXIDE+DARI+LIMBAH+KULIT+SINGKONG%0D%0A(Manihot+utilissima)+UNTUK+EKSTRAKSI+ANTIBIOTIK+TETRASIKLIN&rft.creator=SAVIRA+OLGA+KISTIANTI%2C+Saviraolga9%40gmail.com&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.subject=001+Ilmu+pengetahuan&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.description=ABSTRAK%0D%0AAPLIKASI+GRAPHENE+OXIDE+DARI+LIMBAH+KULIT+SINGKONG%0D%0A(Manihot+utilissima)+UNTUK+EKSTRAKSI+ANTIBIOTIK+TETRASIKLIN%0D%0AOleh%0D%0ASAVIRA+OLGA+KISTIANTI%0D%0AMeningkatnya+penggunaan+antibiotik+tetrasiklin+telah+menjadi+masalah+serius%0D%0Akarena+menyebabkan+munculnya+residu+antibiotik+di+lingkungan%2C+sekitar+30%25%E2%88%9290%25%0D%0Apenggunaan+antibiotik+secara+keseluruhan+diekskresikan+melalui+feses+dan+urin%0D%0Asebagai+senyawa+induk+yang+tidak+dimodifikasi%2C+akibatnya+antibiotik+tetrasiklin%0D%0Abaik+secara+langsung+maupun+tidak+langsung+dibuang+ke+lingkungan+yang+dapat%0D%0Amenyebabkan+polusi.+Salah+satu+teknik+preparasi+sampel+residu+antibiotik%0D%0Atetrasiklin+di+lingkungan+yaitu+dispersive+solid+phase+extraction+(DSPE)%0D%0Amenggunakan+adsorben+graphene+oxide+dari+limbah+kulit+singkong.+Pembuatan%0D%0Agraphene+oxide+dilakukan+dengan+menggunakan+dua+metode+yang+berbeda+yaitu%0D%0Ametode+single+step+tanpa+zat+pengoksidasi+dan+menggunakan+metode+hummers%0D%0Atermodifikasi+dengan+menggunakan+zat+pengoksidasi.+Karakterisasi+graphene%0D%0Aoxide+dilakukan+dengan+menggunakan+instrumen+FTIR+untuk+menentukan+gugus%0D%0Afungsi%2C+XRD+untuk+menentukan+tingkat+kristalinitas%2C+dan+SEM-EDX+untuk+melihat%0D%0Amorfologi+permukaan+dan+komposisi+unsur.+Uji+adsorpsi+antibiotik+tetrasiklin%0D%0Amenggunakan+graphene+oxide+kulit+singkong+dilakukan+dengan+lima+variasi%2C+yaitu%0D%0Avariasi+massa%2C+pH%2C+konsentrasi%2C+waktu+kontak+dan+pelarut+desorpsi.+Hasil+penelitian%0D%0Amenunjukkan+bahwa+kondisi+optimum+menggunakan+graphene+oxide+single+step%0D%0Apada+massa+1+gr+dengan+konsentrasi+5+ppm+pada+kondisi+pH+11+dan+waktu+kontak%0D%0Aselama+90+menit+dengan+tingkat+adsorpsi+sebesar+95%2C53%25+serta+menggunakan%0D%0Apelarut+metanol+untuk+proses+desorpsi+sebesar+93%2C52%25%2C+sedangkan+adsorpsi%0D%0Amenggunakan+graphene+oxide+hummers+termodifikasi+sebesar+62%2C83%25%2C+sehingga%0D%0Aadsorben+yang+efektif+digunakan+pada+penelitian+ini+adalah+graphene+oxide+single%0D%0Astep.%0D%0AKata+kunci%3A+Antibiotik+tetrasiklin%2C+DSPE%2C+kulit+singkong%2C+graphene+oxide%0D%0A%0D%0A%0D%0AThe+increasing+use+of+tetracycline+antibiotics+has+become+a+serious+problem+because%0D%0Ait+causes+the+emergence+of+antibiotic+residues+in+the+environment%2C+about+30%25-90%25%0D%0Aof+the+overall+antibiotic+use+is+excreted+through+feces+and+urine+as+unmodified%0D%0Aparent+compounds%2C+as+a+result%2C+tetracycline+antibiotics+are+either+directly+or%0D%0Aindirectly+discharged+into+the+environment.+which+can+cause+pollution.+One%0D%0Atechnique+for+sample+preparation+of+tetracycline+antibiotic+residues+in+the%0D%0Aenvironment+is+the+dispersive+solid+phase+extraction+(DSPE)+technique+using%0D%0Agraphene+oxide+as+adsorbent+from+cassava+peel+waste.+The+manufacture+of+graphene%0D%0Aoxide+is+carried+out+using+two+different+methods%2C+namely+the+single+step+method%0D%0Awithout+oxidizing+agents+and+using+the+modified+hummers+method+using+an%0D%0Aoxidizing+agent.+Graphene+oxide+characterization+was+carried+out+using+FTIR%0D%0Ainstruments+to+determine+functional+groups%2C+XRD+to+determine+crystallinity+levels%2C%0D%0Aand+SEM-EDX+to+observe+surface+morphology+and+elemental+composition.+The%0D%0Aadsorption+test+of+tetracycline+antibiotics+using+graphene+oxide+cassava+peel+was%0D%0Acarried+out+with+five+variations%2C+namely+mass%2C+pH%2C+concentration%2C+contact+time+and%0D%0Adesorption+solvent+variations.+The+results+showed+that+the+optimum+conditions+were%0D%0Ausing+graphene+oxide+single+step+at+a+mass+of+1+g+with+a+concentration+of+5+ppm+at%0D%0ApH+11+and+a+contact+time+of+90+minutes+with+an+adsorption+rate+of+95%2C53%25+and+using%0D%0Amethanol+as+a+solvent+for+the+desorption+process+of+93%2C52%25.+while+adsorption+using%0D%0Agraphene+oxide+modified+hummers+is+62%2C83%25%2C+so+that+the+effective+adsorbent+used%0D%0Ain+this+study+is+graphene+oxide+single+step.%0D%0AKeywords%3A+Tetracycline+antibiotics%2C+DSPE%2C+cassava+peel%2C+graphene+oxide&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-08-03&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65919%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65919%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65919%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SAVIRA+OLGA+KISTIANTI%2C+Saviraolga9%40gmail.com++(2022)+APLIKASI+GRAPHENE+OXIDE+DARI+LIMBAH+KULIT+SINGKONG+(Manihot+utilissima)+UNTUK+EKSTRAKSI+ANTIBIOTIK+TETRASIKLIN.++MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.++++(Submitted)++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65919%2F