¿Cómo calcular Fe2O3 y FeO a partir del FeOtotal (Análisis de los óxidos EMP) para granates? He utilizado solver pero los porcentajes de Oxidos para Fe2O3 no son congruentes con el total de oxidos por muestra.
- I have used solver but the percentages of Oxides for Fe2O3 are not congruent with the total of oxides per sample.
Dear Juan Carlos Moral,
Actually, i can't understand the language, however, i have translated from google. So, i don't know i have clearly understand your point of question or not. Garnets consist of silicate minerals which have the oxygen ligands richer. Mostly, calcium or aluminium or iron containing oxygen is not in appropriate percentage as you calculated. Better, you can use the advanced technique (laser ablation inductively coupled plasma mass spectrometry-LA-ICP-MS) to calculate metal to oxygen ratio.
Dear Natarajan
From the analysis EMP, I give data of oxides and FeOTotal. So I do not have Fe2O3, and I need to get Fe + 3 for garnets and epidotes. How can I calculate Fe2O3 at the molecular weight of FeOtotal?
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