r-Fe2O3 20nm 99.9%

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r-Fe2O3 20nm 99.9%
Dị ọcha: 99.9%
APS: 20 nm
SSA: 20-60 m2/g
Agba: aja aja uhie
Morphology: okirikiri
Ezi njupụta: 5.24 g/cm3

 


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