?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+SUHU+SINTERING+TERHADAP+STRUKTUR+Na2O+DARI+Na2CO3+YANG+DIHASILKAN+DARI+PEMBAKARAN+TEMPURUNG+KELAPA%0D%0A&rft.creator=Vera+Prawestiana%2C+1017041044&rft.subject=QC+Physics&rft.description=ABSTRAK%0D%0A%0D%0A%0D%0A%0D%0A%0D%0APenelitian+ini+dilakukan+untuk+mempelajari+pengaruh+suhu+sintering+terhadap+struktur+Na2O+dari+Na2CO3.+Na2CO3+diperoleh+dengan+mengalirkan+gas+CO2+hasil+pembakaran+ke+dalam+larutan+NaOH+dengan+konsentrasi+9+dan+10+M.+Na2CO3+yang+diperoleh+kemudian+dibersihkan+dengan+alkohol+70+%25+kemudian+disaring+dan+dikeringkan+dalam+oven+pada+suhu+110+oC+selama+10+jam.+Hasil+yang+diperoleh+mengindikasikan+bahwa+jumlah+Na2CO3+yang+dihasilkan+bergantung+pada+konsentrasi+larutan+NaOH+yang+digunakan+dengan+hasil+tertinggi+menggunakan+larutan+NaOH+10+M.+Serbuk+Na2CO3+kemudian+dilakukan+karakterisasi+menggunakan+FTIR+untuk+mengetahui+gugus+fungsi+yang+terbentuk.+Na2CO3+selanjutnya+disintering+pada+suhu+800%2C+825+dan+850+oC+selama+3+jam+untuk+mengetahui+pengaruh+suhu+sintering+terhadap+pembentukan+dan+struktur+Na2O.+Serbuk+Na2O+kemudian+digerus+dan+dikarakterisasi+menggunakan+SEM-EDS%2C+XRD+dan+DSC-TGA.+Hasil+FTIR+menunjukkan+semua+sampel+memiliki+fungsionalitas+sama+dengan+gugus+yang+berkaitan+dengan+Na2CO3+standar+yakni+C%3DO+dan+CO%C2%AC32-+serta+gugus+lain+yakni+%E2%80%93OH%2C+C-H+dan+C-S+yang+dihasilkan+dari+air+dan+pengotor+alami+dari+tempurung+kelapa.+Hasil+SEM-EDS+dengan+mikrostruktur+homogen%2C+bentuk+butir+yang+seragam+dan+tersebar+merata+ditunjukkan+oleh+sampel+yang+disintering+pada+suhu+850+oC.+Hasil+XRD+sampel+setelah+sintering+800+dan+825+oC+terbentuk+fasa+Na2CO3+dan+Na2O%2C+sedangkan+setelah+sintering+850+oC+telah+terbentuk+fasa+Na2O+keseluruhan.+Analisis+DSC-TGA+mengindikasikan+bahwa+terjadinya+perubahan+Na2CO3+menjadi+Na2O+bergantung+pada+konsentrasi+yang+digunakan+dengan+hasil+tertinggi+pada+sampel+yang+menggunakan+NaOH+konsentrasi+9+M.%0D%0A%0D%0A%0D%0AKata+kunci%3A+Na2O%2C+Na2CO3%2C+gas+CO2%2C+tempurung+kelapa%2C+suhu+sintering%2C+gugus+fungsi%2C+mikrostruktur%2C+fasa%2C+termal.+%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThis+research+was+carried+out+to+study+the+influence+of+sintering+temperature+on%0D%0Athe+structure+of+Na2O+from+Na2CO3.+Na2CO3+obtained+by+flowing+CO2+gas+of%0D%0Acoconut+shell+combustion+into+NaOH+solution+to+absorption+and+consentration+of%0D%0ANaOH%2C+with+the+consentration+9+and+10+M.+The+product+was+cleaned+by+using+70%25%0D%0Aalcohol%2C+then+filtered+out+and+subsequently+oven+dried+at+110+oC+for+10+hours.+The%0D%0Aresults+obtained+indicate+that+the+amount+of+Na2CO3+produced+depend+on+the%0D%0Aconcentration+of+NaOH+solution+with+the+highest+yield+obtained+using+10+M%0D%0ANaOH+solution.+The+Na2CO3+powder+was+characterized+using+FTIR+to+determine%0D%0Athe+functional+groups+formed.+The+Na2CO3+was+sintered+at+800%2C+825+and+850+oC%0D%0Afor+3+hours+to+study+the+influence+of+sintering+temperature+on+formation+and%0D%0Astructure+of+Na2O.+Na2O+powder+was+ground+and+then+characterized+using+SEMEDS%2C%0D%0AXRD+and+DSC-TGA.+FTIR+results+show+all+samples+have+the+same%0D%0Afunctional+groups+associated+with+standard%2C+include+C%3DO+and+CO3%0D%0A2-%0D%0Awith%0D%0Aadditional+functional+groups+of+%E2%80%93OH%2C+C-H+dan+C-S%2C+likely+the+resulted+from+water%0D%0Aand+some+natural+impurities+of+coconut+shell.+The+results+of+SEM+indicated+that%0D%0Athe+sample+sintered+at+850+oC+was+small+grain+sizes+distributed+homogenously.%0D%0AThe+results+of+XRD+samples+after+sintering+at+800+and+825+oC+show+presence%0D%0ANa2CO3+and+Na2O+while+after+sintering+at+850+oC+the+phase+indentified+was+Na2O.%0D%0AThermal+analysis+by+DSC-TGA+indicates+that+convertion+Na2CO3+to+Na2O%0D%0Adepends+on+the+concentration+of+NaOH+solution+used%2C+with+the+highest+yield%0D%0Aobtained+using+consentration+of+9+M.%0D%0AKey+words%3A+Na2O%2C+Na2CO3%2C+CO2+gas%2C+coconut+shell%2C+sintering+temperature%2C+functional%0D%0Agroups%2C+microstructure%2C+phase%2C+termal.%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2014-12-10&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F1%2FCOVER%2520DEPAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F3%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F4%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F5%2FLEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F6%2FLEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F7%2FSURAT%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6050%2F8%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.uni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