ELEKTRODA PASTA KARBON TERMODIFIKASI KITOSAN UNTUKANALISIS LOGAM Fe(II) SECARA SIKLIK STRIPPING VOLTAMETRIDENGAN ION PENGGANGGU Zn(II) DAN Cd(II)CARBON PASTE ELECTRODE MODIFIED BY CHITOSAN FOR ANALYSISFe(II) USING CYCLIC STRIPPING VOLTAMETRY WITH INTERFERENCEION Zn(II) AND Cd(II) - ADJIATMA PUTRA, CANDRA (UNESA Journal of Chemistry, 2015)