?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+FOTODEGRADASI+ZAT+WARNA+RHODAMIN+B+DENGAN+SPEKTROFOTOMETRI+SINAR+TAMPAK+MEMANFAATKAN+TiO2%2FZEOLIT-A+SEBAGAI+KATALIS+&rft.creator=+AFIFA+%2C++NABILLA+MUTIQ&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0A++Telah+dilakukan+penelitian+fotodegradasi+pewarna+tekstil+rhodamin+B+menggunakan+katalis++TiO2%2Fzeolit-A.++Pada++awalnya++katalis++dibuat++dengan++mensintesis++zeolit-A+dengan+silika+sekam+padi+dan+alumunium+foil+dengan+metode+hidrotermal+pada+suhu+100%C2%B0C+selama+72+jam+dan+dikalsinasi+selama+6+jam+pada+suhu+550%C2%B0C.+Kemudian+zeolit-A++dikarakterisasi++menggunakan++instrumen++XRD++dan++SEM.++Karakterisasi+XRD++mengindikasikan++bahwa++zeolit-A++dalam++fasa++kristal++dan++memiliki++nilai+kristalinitas++sebesar++32%2C12%25.++Kemudian++karakterisasi++SEM++menunjukkan++bahwa+zeolit-A++memiliki++morfologi++permukaan++berbentuk++kubus.++Selanjutnya++zeolit-A+diimpregnasi++dengan++TiO2++untuk++mendapatkan++komposit++TiO2%2Fzeolit-A++dengan+kadar+TiO2+5%2C+10%2C+dan+15%25+lalu+dianalisis+menggunakan+XRF.+Selanjutnya+komposit+digunakan++sebagai++katalis++untuk++fotodegradasi++rhodamin++B.++Persen++degradasi+dihitung++berdasarkan++nilai++absorbansi++pada++panjang++gelombang++maksimum++(548+nm)++yang++telah++diketahui++dengan++memindai++larutan++rhodamin++B++50++ppm++pada+rentang+panjang+gelombang+400-800+nm+menggunakan+spektrofotometer+UV-Vis.+Selain++penentuan++panjang++gelombang++maksimum%2C++metode++juga++divalidasi++dan+diperoleh+linearitas+metode+dengan+nilai+R2+sebesar+0%2C9966%2C+LoD+0%2C1032+ppm%2C+LoQ+0%2C3447++ppm%2C++dan++%25RSD++sebesar++0%2C1981.++Hasil++percobaan++fotodegradasi+menunjukkan+bahwa+katalis+TiO2+5%25%2Fzeolit-A+memiliki+persen+degradasi+tertinggi%2C+yaitu+39%2C24%25+dengan+waktu+optimum+90+menit+dan+pH+5.+++Kata+kunci%3A+fotodegradasi%2C+rhodamin+B%2C+zeolit-A%2C+komposit+TiO2%2Fzeolit-A+%0D%0A%0D%0A%0D%0APhotodegradation+research+has+been+conducted+on+rhodamin+B+textile+dyes+using+TiO2%2Fzeolite-A+catalysts.+Initially%2C+the+catalyst+was+made+by+synthesizing+zeolite-A+with+rice+husk+silica+and+aluminum+foil+by+hydrothermal+method+at+100%C2%B0C+for+72+hours++and++calcined++for++6++hours++at++550%C2%B0C.++++Then++zeolite-A++is++characterized++using+XRD+and+SEM+instruments.+XRD+characterization+indicates+that+zeolite-A+is+in+the+crystalline++phase++and++has++a++crystallinity++value++of++32.12%25.++Then++the++SEM+characterization++showed++that++zeolite-A++has++a++cube-shaped++surface++morphology.+Zeolite-A+was+impregnated+with+TiO2+to+obtain+a+TiO2%2Fzeolite-A+composite+with+TiO2++loads++of++5%2C++10%2C++and++15%25++by++weight++and++then++analyzed++using++XRF.++The+composite++is++used++as++a++catalyst++for++photodegradation++of++rhodamin++B.++Percent+degradation++is++calculated++based++on++the++absorbance++value++at++the++maximum+wavelength++(548++nm)++that++has++been++known++by++scanning++a++50++ppm++rhodamin++B+solution++in++the++wavelength++range++of++400-800++nm++using++a++UV-Vis+spectrophotometer.+In+addition+to+the+determination+of+the+maximum+wavelength%2C+the+method+was+also+validated+and+obtained+the+linearity+of+the+method+with+values+of+R2+of+0.9966%2C+LoD+of+0.1032+ppm%2C+LoQ+of+0.3447+ppm%2C+and+%25RSD+of+0.1981.+The+results+of+the+photodegradation+experiment+showed+that+the+5%25%2Fzeolite-A+TiO2+catalyst+had+the+highest+percent+degradation%2C+which+was+39.24%25+with+an+optimum+time+of+90+minutes++and+a+pH+of+5.+++Keywords%3A+photodegradation%2C+rhodamine+B%2C+zeolite-A%2C+TiO2%2Fzeolite-A+composite++++%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2022-12-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68546%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68546%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68546%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++AFIFA+%2C+NABILLA+MUTIQ++(2022)+STUDI+FOTODEGRADASI+ZAT+WARNA+RHODAMIN+B+DENGAN+SPEKTROFOTOMETRI+SINAR+TAMPAK+MEMANFAATKAN+TiO2%2FZEOLIT-A+SEBAGAI+KATALIS.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F68546%2F