High pure molybdenum trioxide Appearance:Yellowish powder , no impurity naked eye can see Grade&©|65306;The MoO3 content in Grade-A is not less than 99.5% ; the MoO3 content in Grade-B is not less than 99% Main applications&©|65306;Make molybdenum powder , petroleum catalyst , pigment , alloy raw materials , etc. The impurity content accords with the following standard
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