?url_ver=Z39.88-2004&rft_id=1917011001&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=MODIFIKASI+KARBON+DARI+CANGKANG+BUAH+KARET+(Hevea%0D%0Abrasiliensis)+DENGAN+MAGNETIT+DAN+(3-+AMINOPROPYL)-%0D%0ATRIETHOXYSILANE+(APTES)+UNTUK+MENYERAP+ZAT+WARNA%0D%0AKRISTAL+VIOLET+DAN+ANION+FOSFAT+DALAM+LARUTAN&rft.creator=HAPPY+%2C+YUNIA+PUTRI+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0AIn+this+study%2C+the+production+of+carbon+from+rubber+fruit+shells+(Hevea+brasiliensis)%0D%0Awere+modified+by+magnetite+coating+with+the+addition+of+FeCl3.6H2O+and%0D%0AFeSO4.7H2O+compounds+to+produce+carbon+magnetite+(KM)+and+modified+by%0D%0A3(Aminopropyl)-trietoxysilane+(APTES)+to+produce+carbon+magnetite+silane+(KMS)%0D%0Aas+an+adsorbent+for+crystal+violet+dye+and+phosphate+anion+has+been+successful.%0D%0AAdsorbents+were+characterized+using+a+Fourier+Transform+Infra-Red+(FTIR)%0D%0Aspectrophotometer+to+identify+functional+groups%2C+X-Ray+Diffraction+(XRD)+to%0D%0Aidentify+crystallinity+levels+and+Scanning+Electron+Microscope-Energy+Dispersive%0D%0AX-Ray+(SEM-EDX)+to+determine+surface+morphology+and+identify+the+elemental%0D%0Acomposition+by+adsorbent.+Monocomponents+adsorption+of+crystal+violet+optimum%0D%0Aat+pH+3+(carbon)%2C+8+(KM)%2C+and+11+(KMS)%2C+while+the+optimum+phosphate+anion+at%0D%0ApH+6+(carbon)%2C+3+(KM)%2C+and+11+(KMS).+The+optimum+contact+time+between+the%0D%0Aadsorbent+and+crystal+violet+is+120+minutes+(carbon%2C+KM)+and+60+minutes+(KMS)%2C%0D%0Awhile+the+optimum+time+between+adsorbent+and+phosphate+anion+is+90+minutes%0D%0A(carbon)%2C+150+minutes+(KM)%2C+and+30+minutes+(KMS)+with+a+maximum+concentration%0D%0Aof+300+mg%2F+L.+The+adsorption+kinetics+of+crystal+violet+and+phosphate+anion+tend+to%0D%0Afollow+pseudo+second+order+kinetics+and+the+adsorption+isotherm+tends+to+follow+the%0D%0AFreundlich+isotherm.+Adsorption+tests+on+bicomponent+pairs+tend+to+be+better+at%0D%0Aadsorbing+crystal+violet+than+phosphate+anions.+KMS+adsorbent+is+effective+for+up%0D%0Ato+4+repetitions+with+an+adsorption+percentage+above+65%25.%0D%0AKey+words%3A+adsorption%2C+carbon%2C+rubber+fruit+shell%2C+magnetite%2C+APTES%2C+crystal+violet%2C%0D%0Aand+phosphate+anion.%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+pembuatan+karbon+dari+cangkang+buah+karet%0D%0A(Hevea+brasiliensis)+yang+dimodifikasi+oleh+pelapisan+magnetit+dengan%0D%0Apenambahan+senyawa+FeCl3.6H2O+dan+FeSO4.7H2O+untuk+menghasilkan+karbon%0D%0Amagnetit+(KM)+dan+dimodifikasi+dengan+(3-Aminopropyl)-triethoxysilane+(APTES)%0D%0Auntuk+menghasilkan+karbon+magnetit+silan+(KMS)+sebagai+adsorben+kristal+violet%0D%0Adan+anion+fosfat.+Adsorben+dikarakterisasi+menggunakan+spektrofotometer+Fourier%0D%0ATransform+Infra-Red+(FTIR)+untuk+mengidentifikasi+gugus+fungsi%2C+X-Ray%0D%0ADiffraction+(XRD)+untuk+mengidentifikasi+tingkat+kristalinitas%2C+dan+Scanning%0D%0AElectron+Microscope-Energy+Dispersive+X-Ray+(SEM-EDX)+untuk+mengetahui%0D%0Amorfologi+permukaan+dan+mengidentifikasi+komposisi+unsur+yang+terkandung%0D%0Adalam+adsorben.+Adsorpsi+monokomponen+kristal+violet+optimum+pada+pH+3%0D%0A(karbon)%2C+8+(KM)%2C+dan+11+(KMS)%2C+sedangkan+anion+fosfat+optimum+pada+pH+6%0D%0A(karbon)%2C+3+(KM)%2C+dan+11+(KMS).+Waktu+kontak+optimum+antara+adsroben+dengan%0D%0Akristal+violet+adalah+120+menit+(karbon%2C+KM)+dan+60+menit+(KMS)%2C+sedangkan%0D%0Awaktu+kontak+optimum+antara+adsorben+dengan+anion+fosfat+adalah+90+menit%0D%0A(karbon)%2C+150+menit+(KM)%2C+dan+30+menit+(KMS)+dengan+konsentrasi+optimum+300%0D%0Appm.+Kinetika+adsorpsi+kristal+violet+dan+anion+fosfat+cenderung+mengikuti+kinetika%0D%0Apseudo+orde+dua+dan+isoterm+adsorpsi+cenderung+mengikuti+isoterm+Freundlich.+Uji%0D%0Aadsorpsi+pada+pasangan+bikomponen+cenderung+lebih+baik+dalam+mengadsorpsi%0D%0Akristal+violet+daripada+anion+fosfat.+Adsorben+KMS+efektif+digunakan+hingga+4+kali%0D%0Apengulangan+dengan+persentase+adsorpsi+di+atas+65%25.%0D%0AKata+kunci%3A+adsorpsi%2C+karbon%2C+cangkang+buah+karet%2C+magnetit%2C+APTES%2C+kristal%0D%0Aviolet%2C+dan+anion+fosfat.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-06-14&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74218%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74218%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F74218%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++HAPPY+%2C+YUNIA+PUTRI+++(2023)+MODIFIKASI+KARBON+DARI+CANGKANG+BUAH+KARET+(Hevea+brasiliensis)+DENGAN+MAGNETIT+DAN+(3-+AMINOPROPYL)-+TRIETHOXYSILANE+(APTES)+UNTUK+MENYERAP+ZAT+WARNA+KRISTAL+VIOLET+DAN+ANION+FOSFAT+DALAM+LARUTAN.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F74218%2F