STUDI GANGGUAN Cu2+ PADA ANALISA BESI(III) DENGAN PENGOMPLEKS 1,10-FENANTROLIN PADA pH 3,5 SECARA SPEKTROFOTOMETRI UV-VIS

Steven Wang
Submission Date: 2015-08-07 10:42:17
Accepted Date: 2016-01-21 12:19:32

Abstract


Pada penelitian ini telah dilakukan studi gangguan ion Cu(II) terhadap analisa besi dengan pengompleks 1,10-fenantrolin pada pH 3,5 secara spektrofotometri UV-Vis. Kompleks Fe(III)-fenantrolin memiliki panjang gelombang maksimum 317 nm. Koefisien korelasi (r) yang diperoleh pada kurva kalibrasi adalah 0,9943. Hasil menunjukkan bahwa ion Cu(II) mulai mengganggu analisa besi pada konsentrasi 0,3 ppm dengan persen (%) recovery sebesar 64,42% dengan RSD 203,4 ppt dan CV 20,34%.


Keywords


Besi; 1,10-Fenantrolin; Spektrofotometer UV-Vis

References


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