?url_ver=Z39.88-2004&rft_id=1917011047&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SINTESIS%2C+KARAKTERISASI+KRISTAL+DAN+TINJAUAN%0D%0ATERMODINAMIKA+SENYAWA+KOMPLEKS%0D%0AMn(II)-Congo+Red&rft.creator=Cova+%2C+Selly+Friska+Br.+Purba+&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0ASintesis+senyawa+kompleks+Mn(II)+dengan+ligan+congo+red+telah+dilakukan+dengan%0D%0Aperbandingan+mol+1%3A3%2C+menghasilkan+padatan+berwarna+merah+tua+sebanyak+1%2C7121%0D%0Agram+dengan+rendemen+77%2C33%25.+Senyawa+kompleks+Mn(II)-congo+red%0D%0Adikarakterisasi+menggunakan+spektrofotometer+UV-Vis+menghasilkan+panjang%0D%0Agelombang+maksimum+569+nm+dengan+absorbansi+0%2C952.+Karakterisasi%0D%0Amenggunakan+spektrofotometer+FTIR+menunjukkan+terbentuknya+senyawa%0D%0Akompleks+Mn(II)-congo+red+ditandai+dengan+adanya+ikatan+koordinasi+antara+Mn-%0D%0AN+pada+bilangan+gelombang+435%2C91+cm-1.+Karakterisasi+menggunakan+DTA-TG%0D%0Adilakukan+pada+rentang+suhu+0-1000%E2%84%83%2C+menunjukkan+adanya+kehilangan+massa%0D%0Aenam+molekul+SO2+sebesar+11%2C6%25+pada+rentang+suhu+30-100%E2%84%83%2C+satu+molekul%0D%0AC32H22N6+dan+satu+molekul+Cl2+sebesar+26%2C6%25+pada+rentang+suhu+300-450%E2%84%83%2C+dan%0D%0Adua+molekul+C32H22N6+sebesar+42%2C1%25+pada+rentang+suhu+500-650%E2%84%83.+Parameter%0D%0Aaktivasi+termodinamik+menggunakan+metode+Coats-Redfern+dan+Kissinger%0D%0Amenunjukkan+proses+dekomposisi+dengan+laju+reaksi+lebih+rendah+dari+yang+normal%0D%0Adan+kompleks+teraktifkan+memiliki+sifat+termal+yang+lebih+menentukan+dari+pada%0D%0Areaktan.+Nilai+energi+aktivasi+yang+dihasilkan+menunjukkan+dekomposisi+senyawa%0D%0Akompleks+berupa+chemisorptions.+Karakterisasi+menggunakan+XRD+menunjukkan%0D%0Asenyawa+kompleks+Mn(II)-congo+red+yang+diperoleh+berupa+amorf.%0D%0AKata+Kunci%3A+Mangan(II)%2C+Congo+Red%2C+senyawa+kompleks%2C+Coats-Redfern%2C%0D%0AKissinger%0D%0ASynthesis+of+complex+compound+Mn(II)+with+congo+red+ligand+performed+by+a+ratio%0D%0Aof+moles+1%3A3%2C+producing+red+solid+of+of+1.7121+grams+with+a+yield+of+77.33%25.%0D%0AMn(II)-congo+red+complex+compound+characterized+by+UV-Vis+spectrophotometer%0D%0Ato+produce+a+maximum+wavelength+of+569+nm+with+an+absorbance+of+0%2C952.%0D%0ACharacterization+using+the+FTIR+spectrophotometer+showed+the+formation+of+a%0D%0AMn(II)-congo+red+complex+which+was+indicated+by+a+coordination+bond+between%0D%0AMn-N+at+wave+number+435%2C91+cm-1.+Characterization+using+DTA-TG+is+carried+out%0D%0Ain+the+temperature+range+of+0-1000%E2%84%83%2C+showing+a+mass+loss+of+six+SO2+molecules+of%0D%0A11.6%25+in+the+temperature+range+of+30-100%E2%84%83%2C+one+C32H22N6+molecule+and+one+Cl2%0D%0Amolecule+by+26.6%25+in+the+temperature+range+of+300-450%E2%84%83%2C+and+two+C32H22N6%0D%0Amolecules+by+42.1%25+in+the+temperature+range+of+500-650%E2%84%83.+The+thermodynamic%0D%0Aactivation+parameters+using+the+Coats-Redfern+and+Kissinger+methods+show+that+the%0D%0Adecomposition+process+has+a+lower+reaction+rate+than+normal+and+the+activated%0D%0Acomplex+has+more+decisive+thermal+properties+than+the+reactants.+The+results+of+the%0D%0Aactivation+energy+indicate+the+decomposition+of+complex+compounds+is%0D%0Achemisorption.+Characterization+using+XRD+showed+that+the+Mn(II)-congo+red%0D%0Acomplex+compound+obtained+was+amorphous.%0D%0AKey+word%3A+Manganese(II)%2C+Congo+Red%2C+complex+compound%2C+Coats-Redfern%2C%0D%0AKissinger&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-06-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72710%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72710%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72710%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Cova+%2C+Selly+Friska+Br.+Purba+++(2023)+SINTESIS%2C+KARAKTERISASI+KRISTAL+DAN+TINJAUAN+TERMODINAMIKA+SENYAWA+KOMPLEKS+Mn(II)-Congo+Red.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F72710%2F