Hi,
I would like to know if the "I%" parameter indicates any match percentage or something like that? This doubt arose because after an analysis, a magnetite sample showed a slight color change, so was made a XRD analysis to investigated any phase modification. The peaks of the diffratograms before and after such an analysis were practically the same. However, the I% for the magnetite's pattern was 98 for fresh sample and after analysis went to 85, while maghmite's pattern was 95 for this spent sample.
Thanks!