?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SINTESIS+DAN+KARAKTERISASI+BIOMASSA+ALGA+Spirulina+sp.%0D%0ATERMODIFIKASI+SILIKA-MAGNETIT+SEBAGAI+ADSORBEN+ZAT%0D%0AWARNA+KRISTAL+VIOLET&rft.creator=+ISMI+ADITIYA%2C++1417011057&rft.subject=Q+Science+(General)&rft.description=Pada+penelitian+ini+telah+dilakukan+sintesis+hibrida+alga+Spirulina+sp.+dengan%0D%0Amatriks+silika+(HAS)+dan+dimodifikasi+dengan+teknik+pelapisan+menggunakan%0D%0Apartikel+magnetit+(Fe3O4)+(HASM)+untuk+digunakan+sebagai+adsorben+zat+warna%0D%0Akristal+violet+dalam+larutan.+Karakterisasi+material+HAS+dan+HASM+dengan%0D%0Aspektrofotometer+IR+digunakan+untuk+mengetahui+gugus+fungsional%2C+X-Ray%0D%0ADiffraction+(XRD)+digunakan+untuk+analisis+tingkat+kekristalan%2C+dan+Scanning%0D%0AElectron+Microscopy+With+Energy+Dispersive+X-ray+(SEM-EDX)+untuk%0D%0Amengidentifikasi+morfologi+permukaan+dan+konstituen+unsur.+Hasil+adsorpsi%0D%0Amenunjukkan+bahwa+adsorpsi+ini+optimum+dilakukan+pada+pH+8+dalam+waktu+120%0D%0Amenit+dengan+konsentrasi+kristal+violet+400+mg%2FL+dan+dianalisis+menggunakan%0D%0Aspektrofotometer+UV-Vis+pada+panjang+gelombang+maksimum+kristal+violet+591%0D%0Anm.+Kinetika+adsorpsi+kristal+violet+oleh+HAS+dan+HASM+cenderung+mengikuti%0D%0Amodel+kinetika+pseudo+orde+dua+dengan+laju+adsorpsi+material+HAS+sebesar%0D%0A0%2C0361+g+mg-1+menit-1+dan+HASM+sebesar+0%2C0227+g+mg-1+menit-1+dan+model%0D%0Aisoterm+Freundlich+dengan+energi+adsorpsi+kurang+dari+20%2C92+kJ+mol-1+yang%0D%0Amengindikasikan+adsorpsi+terjadi+secara+fisika.%0D%0AKata+kunci+%3A+Biomassa+alga+Spirulina+sp.%2C+magnetit%2C+adsorpsi%2C+kristal+violet.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+research%2C+it+has+been+conducted+synthesis+of+Spirulina+sp.+algae+hybrid+with%0D%0Asilica+matrix+(HAS)+and+modified+by+coating+magnetite+particles+(Fe3O4)+(HASM)%0D%0Ato+be+used+as+adsorbent+of+crystal+violet+dye+in+the+solution.+Characterizations+of%0D%0AHAS+and+HASM+materials+with+infrared+spectrophotometer+(IR)+were+used+to%0D%0Ainvestigate+a+functional+groups%2C+X-Ray+Diffraction+(XRD)+was+used+for+analyzing%0D%0Aof+crystalline+levels%2C+and+Scanning+Electron+Microscopy+With+Energy+Dispersive%0D%0AX-ray+(SEM-EDX)+was+conducted+to+identify+the+surface+and+elemental%0D%0Aconstituents+of+the+materials.+While%2C+spectrophotometer+of+UV-Vis+was+used+to%0D%0Aanalyze+the+maximum+wavelength+of+crystal+violet+in+solution.+The+result+showed%0D%0Athat+the+adsorpstion+is+optimum+at+pH+8+within+120+minutes+with+a+concentration%0D%0Aof+crystal+violet+is+400+mg%2FL+and+at+a+maximum+wavelength+of+crystal+violet+of%0D%0A591+nm.+Adsorption+kinetics+of+crystal+violet+by+HAS+and+HASM+tend+to+follow%0D%0Apseudo+second+order+kinetic+model+with+the+adsorption+rate+of+HAS+material+of%0D%0A0%2C0361+g+mg-1+menit-1+and+HASM+material+of+0%2C0227+g+mg-1+menit-1+as+well+as%0D%0AFreundlich+isotherm+model+with+the+energy+of+adsorption+less+than+20.92+kJ+mol-1%0D%0Aindicating+physical+adsorption.%0D%0AKata+kunci+%3A+Spirulina+sp.+algae+biomass%2C+magnetite%2C+adsorption%2C+crystal+violet.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2018-08-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33605%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33605%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F33605%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++ISMI+ADITIYA%2C+1417011057++(2018)+SINTESIS+DAN+KARAKTERISASI+BIOMASSA+ALGA+Spirulina+sp.+TERMODIFIKASI+SILIKA-MAGNETIT+SEBAGAI+ADSORBEN+ZAT+WARNA+KRISTAL+VIOLET.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C++UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F33605%2F