?url_ver=Z39.88-2004&rft_id=1817011062&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=CONVERSION+OF+COCONUT+OIL+DERIVED+METHYL+ESTERS+INTO+NITROGEN+COMPOUNDS+AS+GREEN+CORROSION+INHIBITOR&rft.creator=ALYA+IKA+NUR+AFIFAH%2C+1817011062&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.description=This+study+was+carried+out+as+an+attempt+to+convert+methyl+esters+derived+from+coconut+oil+into+nitrogen+compounds+by+reacting+the+methyl+esters+with+diethanolamine.+To+produce+methyl+ester%2C+coconut+oil+was+refluxed+with+methanol+at+70+oC+for+3+hours+in+the+presence+of+zeolite-A+catalyst.+To+produce+nitrogen+compounds%2C+three+samples+were+prepared+by+carrying+out+experiment+in+an+autoclave+then+heated+in+an+oven+at+80+oC+for+24+hours%2C+at+100+oC+for+24+and+48+hours.+The+products+of+the+reactions+were+analyzed+using+GC-MS+and+FTIR%2C+then+utilized+as+corrosion+inhibitor+for+mild+steel+in+CO2+saturated+brine+solution+using+Wheel+test+method.+The+inhibition+activity+of+the+samples+was+evaluated+in+terms+of+percentage+protection+and+surface+morphology+of+the+sample+using+SEM-EDX+method.+The+experimental+results+obtained+revealed+that+the+experiments+conducted+at+80+oC+for+24+hours+and+at+100+oC+for+24+hours+only+produced+nitrogen+compounds+as+a+minor+component%2C+but+in+the+sample+produced+from+the+experiment+carried+out+100+oC+for+48+hours%2C+a+series+of+nitrogen+compounds+were+produced%2C+contributing+53.54%25+to+the+composition.+The+results+of+corrosion+testing+experiments+revealed+that+the+samples+exhibit+corrosion+inhibition+activity%2C+with+the+highest+protection+of+97.9%25+was+provided+by+the+sample+prepared+at+100+oC+for+48+hours.+Without+ignoring+the+need+for+further+research%2C+the+results+obtained+in+this+study+suggest+that+the+nitrogen+compounds+derived+from+coconut+oil+possess+promising+potential+as+green+corrosion+inhibitor.%0D%0AKeywords%3A+zeolite-A%2C+coconut+oil+methyl+ester%2C+nitrogen+compounds%2C+corrosion+inhibitor%2C+and+wheel+test.&rft.publisher=FACULTY+OF+MATHEMATICS+AND+NATURAL+SCIENCES&rft.date=2023-01-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68800%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68800%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F68800%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ALYA+IKA+NUR+AFIFAH%2C+1817011062++(2023)+CONVERSION+OF+COCONUT+OIL+DERIVED+METHYL+ESTERS+INTO+NITROGEN+COMPOUNDS+AS+GREEN+CORROSION+INHIBITOR.++FACULTY+OF+MATHEMATICS+AND+NATURAL+SCIENCES%2C+UNIVERSITY+OF+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F68800%2F