?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+H2SO4+DAN+KOH+PADA+ANALISIS+Cr(III)+MENGGUNAKAN+ASAM+TANAT+SECARA+SPEKTROFOTOMETRI+%0D%0AULTRAUNGU-TAMPAK%0D%0A&rft.creator=Mega+Suci+Hanifa+Putri%2C+1117011032&rft.subject=QD+Chemistry&rft.description=Telah+dilakukan+penelitian+pengaruh+H2SO4+dan+KOH+pada+analisis+Cr(III)+menggunakan+asam+tanat+secara+spektrofotometri+Ultraungu-Tampak.+Selain+itu+dilakukan+juga+pengaruh+ion+pengganggu+pada+senyawa+kompleks+logam+kromium+dan+asam+tanat%2C+serta+waktu+kestabilan+senyawa+kompleks+asam+tanat%2C+logam+kromium%2C+dan+asam+atau+basa.+Pada+percobaan+didapatkan+data+pengaruh+asam+akan+mulai+terlihat+pada+konsentrasi+larutan+2+mM+sedangkan+basa+terlihat+pada+konsentrasi+larutan+5mM%2C+dengan+waktu+kestabilan+setelah+menit+ke-5+untuk+H2SO4+dan+menit+ke-30+untuk+KOH.+Pada+H2SO4%2C+ion+Ni(II)++10+ppm%2C+ion+Mo(II)+6+ppm+dan+Ca(II)+10+ppm+mencapai+absorbansi+tertinggi+dengan+kompleks+Cr(III)+dengan+asam+tanat.++Pada+KOH%2C+ion+Ni(II)++2+ppm%2C+ion+Mo(II)+4+ppm+dan+Ca(II)+4+ppm+mencapai+absorbansi+tertinggi+dengan+kompleks+Cr(III)+dengan+asam+tanat.++%0D%0A%0D%0A%0D%0AKata+kunci+%3A+H2SO4%2C+KOH%2C+Cr(III)%2C+asam+tanat%2C+spektrofotometer+ultraungu-tampak%0D%0A%0D%0A%0D%0AABSTRAK+BAHASA+INGGRIS%0D%0A%0D%0AThis+study+was+carreid+out+to+investigate+the+effect+of+H2SO4+and+KOH+on+the+analysis+of+Cr(III)+using+tannic+acid+by+ultraviolet-visible+spectrophotometry.+This+research+also+studied+the+effect+of+interfering+ions%2C+and+time+stability+of+complex+compounds+tannic+acid%2C+chromium+metal+and+acid+or+base.+The+results+obatained+demonstrated+that+the+optimum+concentration+H2SO4+is+2+mM+solution+and+KOH+is+5mM%2C+with+a+time+of+stability+after+the+5th+minute+for+H2SO4+and+the+30th+minute+to+KOH.+In+H2SO4%2C+ion+Ni(II)+10+ppm%2C+Mo(II)+6+ppm+and+Ca(II)+10+ppm+reached+the+highest+absorbance+with+complex+Cr(III)+with+tannic+acid.+In+KOH%2C+ion+Ni(II)+2+ppm%2C+Mo(II)+4+ppm+and+Ca(II)+4+ppm+reached+the+highest+absorbance+with+complex+Cr(III)+with+tannic+acid.%0D%0A.++%0D%0A%0D%0AKata+kunci+%3A+H2SO4%2C+KOH%2C+Cr(III)%2C+Tannic+Acid%2C+Ultraviolet+Spectrophotometry%0D%0A&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2016-06-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23055%2F1%2FABSTRAK%2520BAHASA%2520INGGRIS%2520%2526%2520INDONESIA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23055%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23055%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Mega+Suci+Hanifa+Putri%2C+1117011032++(2016)+PENGARUH+H2SO4+DAN+KOH+PADA+ANALISIS+Cr(III)+MENGGUNAKAN+ASAM+TANAT+SECARA+SPEKTROFOTOMETRI+ULTRAUNGU-TAMPAK.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F23055%2F