IDENTIFIKASI Fase KOMPOSIT OKSIDA BESI - ZEOLIT ALAM HASIL PROSES MILLING

Yosef Sarwanto, Grace Tj.S., - Mujamilah

Abstract


Iron oxide – nature zeolite composite has been obtained by using milling process with varied milling time of 1.5 hours, 4.5 hours, 9 hours, and 13.5 hours. Weight ratio of iron oxide to nature zeolite was set to 1:1. The result
of milling process was identified using X-ray diffraction (XRD) technique, then compared the pattern to JCPDSICDD (Joint Committee on Powder Diffraction Standard - International Centre for Diffraction Data) data base.
XRD pattern of the composite showed that α-Fe2O3 phase growth with increasing milling time from 1.5 hours to 13.5 hours milled as a result of Fe3O4 oxidizing. Visual observation was done to know the binding of iron oxide to nature zeolite by immersing the composite in water media and attracting with magnetic field.


Keywords


Iron oxides; Zeolites; X-Ray diffraction; Milling (machining)

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DOI: http://dx.doi.org/10.14203/widyariset.13.3.2010.141–147

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