?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KONVERSI+NANOSELULOSA+MENJADI+GULA+ALKOHOL%0D%0AMENGGUNAKAN+NANOKOMPOSIT+Ni0%2C3Cu0%2C7Fe2O4%0D%0AYANG+DIIRADIASI+SINAR+UV&rft.creator=Mega+Mawarti%2C++1347011005&rft.subject=Q+Science+(General)&rft.description=Telah+dilakukan+preparasi+nanokomposit+Ni0%2C3Cu0%2C7Fe2O4+menggunakan+metode%0D%0Asol-gel+dan+pektin+sebagai+agen+pengemulsi+dan+dikalsinasi+pada+temperatur%0D%0A600oC%2C+dilanjutkan+dengan+uji+aktivitas+fotokatalitik.+Katalis+telah+dikarakterisasi%0D%0Amenggunakan+peralatan+XRD%2C+FTIR%2C+dan+TEM.+Selanjutnya+katalis+yang%0D%0Adiperoleh+digunakan+untuk+uji+konversi+nanoselulosa+menjadi+gula+alkohol+yang%0D%0Adiiradiasi+dengan+sinar+UV+pada+variasi+waktu+penyinaran+30+menit%2C+45+menit%2C+dan%0D%0A60+menit.+Hasil+analisis+difraksi+sinar-X+(XRD)+terhadap+katalis+Ni0%2C3Cu0%2C7Fe2O4%0D%0Amenunjukkan+adanya+beberapa+fasa+kristal+yakni+fasa+mayor+CuFe2O4+dan%0D%0ANiFe2O4%2C+serta+fasa+minor+Fe3O4%2C+CuO+dan+NiO.+Hasil+analisis+keasaman+katalis%0D%0Adengan+metode+gravimetri+sebesar+1%2C606+mmol+piridin%2Fg+katalis.+Berdasarkan%0D%0Ametode+Fourier+Transform+Infra+Red+(FTIR)+memberikan+hasil+jenis+situs+asam%0D%0ALewis+yang+lebih+dominan+dari+situs+asam+Bronsted-Lowry.+Hasil+analisis%0D%0Amorfologi+katalis+dengan+metode+Transmission+Electron+Microscopy+(TEM)%0D%0Amenunjukkan+fasa+kristalin+yang+terbentuk+terdistribusi+secara+merata+(homogen)%0D%0Adan+masih+terdapat+sedikit+aglomerasi+dengan+ukuran+butiran+rata-rata+sebesar%0D%0A19%2C31+nm.+Analisis+menggunakan+Kromatografi+Cair+Kinerja+Tinggi+(KCKT)%0D%0Amengungkapkan+bahwa+nanoselulosa+yang+telah+dikonversi+menjadi+sorbitol+dan%0D%0Amanitol+pada+waktu+penyinaran+60+menit+memberikan+konsentrasi+sorbitol+lebih%0D%0Abesar+dibandingkan+manitol%2C+yakni+1348+ppm.%0D%0AKata+kunci%3A+nanoselulosa%2C+gula+alkohol%2C+sinar+UV%2C+pektin%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ANi0.3Cu0.7Fe2O4+nanocomposite+was+prepared+using+sol-gel+method+and+pectin+as%0D%0Aan+emulsifying+agent+and+calcined+at+600oC%2C+followed+by+photocatalytic+activity%0D%0Atest.+Then%2C+catalyst+was+characterized+by+different+techniques%2C+such+as+XRD%2C+FTIR%2C%0D%0Aand+TEM.+After+characterization%2C+catalyst+was+used+to+convert+nanocellulose+into%0D%0Aalcohol+sugar+by+UV-light+irradiation+at+variation+of+time+30+minutes%2C+45+minutes%0D%0Aand+60+minutes.+The+result+of+X-ray+diffraction+(XRD)+analysis+of+Ni0.3Cu0.7Fe2O4%0D%0Acatalyst+showed+there+are+several+crystallite+phases+of+CuFe2O4+and+NiFe2O4+as%0D%0Amajor+phases+and+Fe3O4%2C+CuO+and+NiO+as+minor+phases.+The+result+of+acidity%0D%0Aproperty+analyzed+by+gravimetric+method+was+1.606+mmol+pyridine%2Fg+catalyst.%0D%0AAccording+to+Fourier+Transform+Infra+Red+(FTIR)%2C+resulted+that+Lewis+acid+sites%0D%0Aare+more+dominant+than+Bronsted-Lowry+sites.+The+results+of+morphological%0D%0Aanalysis+of+catalyst+using+Transmission+Electron+Microscopy+(TEM)+showed+that%0D%0Athe+crystalline+phases+was+distributed+evenly+(homogeneous)+and+there+was+still+a%0D%0Aslight+agglomeration+with+an+average+size+of+19.31+nm.+Analysis+using+High%0D%0APerformance+Liquid+Chromatography+(HPLC)+revealed+that+nanocellulose+was%0D%0Aconverted+into+sorbitol+and+mannitol+at+60+minutes+retention+time+with+the+sorbitol%0D%0Aproduct+as+the+highest+concentration%2C+which+was+1348+ppm.%0D%0AKeywords%3A+alcohol+sugar%2C+uv-light%2C+nanocellulose%2C+pectin&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-09-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28778%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28778%2F19%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28778%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Mega+Mawarti%2C+1347011005++(2017)+KONVERSI+NANOSELULOSA+MENJADI+GULA+ALKOHOL+MENGGUNAKAN+NANOKOMPOSIT+Ni0%2C3Cu0%2C7Fe2O4+YANG+DIIRADIASI+SINAR+UV.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28778%2F