?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SINTESIS+HIBRIDA+ALGA-SILIKA+DARI+BIOMASSA+Porphyridium+sp%0D%0ADENGAN+TEKNIK+PELAPISAN+PARTIKEL+MAGNETIT+(Fe3O4)+DAN%0D%0AUJI+ADSORPSI+TERHADAP+METILEN+BIRU+DALAM+LARUTAN&rft.creator=+FENTRI+HARIYANTI%2C++1317011024&rft.subject=Q+Science+(General)&rft.description=Pada+penelitian+ini+telah+dilakukan+sintesis+alga+silka+(HAS)+Porphyridium+sp.+dan%0D%0Aalga+silika+magnetit+(HAS-M)+dengan+bahan+utama+tetraetilortosilikat+(TEOS)%0D%0Asebagai+matriks.+Material+hasil+sintesis+dikarakterisasi+dengan+menggunakan%0D%0Aspektrofotometer+inframerah+(IR)+untuk+mengidentifikasi+gugus+fungsional%2C+X-ray%0D%0Adiffraction+(XRD)+untuk+mengetahui+tingkat+kekristalan%2C+dan+spektrofotometer%0D%0ASEM-EDX+untuk+mengetahui+morfologi+permukaan.+Uji+adsorpsi+yang+dilakukan%0D%0Ameliputi+variasi+pH%2C+waktu+kontak%2C+dan+variasi+konsentrasi+metilen+biru.+pH%0D%0Aoptimum+interaksi+HAS+dan+HAS-M+dengan+larutan+metilen+biru+masing-masing%0D%0Adiperoleh+pada+pH+4+sampai+8+sedangkan+waktu+kontak+optimum+diperoleh%0D%0Amasing-masing+pada+waktu+60+dan+90+menit.+Data+kinetika+adsorpsi+metilen+biru%0D%0Apada+HAS+dan+HAS-M+cenderung+mengikuti+model+kinetika+pseudo+orde+dua%0D%0Adengan+koefesien+korelasi+(R2)+masing-masing+sebesar+0%2C970+dan+0%2C979.+Isoterm%0D%0Aadsorpsi+metilen+biru+pada+HAS+dan+HAS-M+cenderung+mengikuti+model+isoterm%0D%0AFreundlich+dengan+koefisien+korelasi+(R2)+0%2C901+dan+0%2C989+yang+termasuk+dalam%0D%0Ajenis+adsorpsi+secara+fisika.%0D%0AKata+kunci+%3A+Porphyridium+sp%2C+pelapisan+magnetit%2C+adsorben%2C+metilen+biru.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+research%2C+it+has+been+conducted+the+synthesis+of+silica+algae+hybrid+(HAS)%0D%0APorphyridium+sp.+and+magnetic+silica+algae+hybrid+(HAS-M)+with+the+main%0D%0Amaterial+of+tetraethylortosilicate+(TEOS)+as+a+matrix.+The+result+of+material%0D%0Asynthesis+was+characterized+by+using+infrared+spectrophotometer+(IR)+to+identify%0D%0Athe+functional+groups%2C+the+X-ray+diffraction+(XRD)+to+determine+the+crystallinity%0D%0Alevel%2C+and+the+SEM-EDX+spectrophotometer+to+determine+the+surface+morphology.%0D%0AThe+adsorption+test+was+conducted+consisting+of+the+pH+variation%2C+contact+time%2C%0D%0Aand+variation+of+methylene+blue+concentration.+The+optimum+pH+of+HAS+and%0D%0AHAS-M+interaction+with+methylene+blue+solution+were+each+obtained+at+pH+4+to+8%0D%0Awhile+the+optimum+contact+time+was+obtained+at+60+and+90+min+respectively.+The%0D%0Akinetics+data+of+methylene+blue+adsorption+on+HAS+and+HAS-M+tend+to+follow+the%0D%0Apseudo+second+order+kinetic+model+with+the+correlation+coefficient+(R2)+are+0.970%0D%0Aand+0.979+respectively.+The+adsorption+isotherm+of+methylene+blue+on+HAS+and%0D%0AHAS-M+tend+to+follow+Freundlich's+isotherm+model+with+the+correlation%0D%0Acoefficient+(R2)+are+0.901+and+0.989+that+was+included+in+the+type+of+physical%0D%0Aadsorptions.%0D%0AKeywords%3A+Porphyridium+sp.%2C+magnetite+coating%2C+adsorbent%2C+methylene+blue.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-10-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28832%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28832%2F19%2FSKRIPSI%2520%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F28832%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++FENTRI+HARIYANTI%2C+1317011024++(2017)+SINTESIS+HIBRIDA+ALGA-SILIKA+DARI+BIOMASSA+Porphyridium+sp+DENGAN+TEKNIK+PELAPISAN+PARTIKEL+MAGNETIT+(Fe3O4)+DAN+UJI+ADSORPSI+TERHADAP+METILEN+BIRU+DALAM+LARUTAN.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C++UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F28832%2F