ferric oxide แปลว่า
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2 It can also be used to make pigment such as red ferric oxide etc.
Mineral Pigment: titanium pigment, calcium carbonate, ferric oxide
The composition of the shell: titanium dioxide, gelatin, ferric oxide red and oxide yellow.
Shell composition: gelatin, propyl parahydroxybenzoate sodium, ethyl parahydroxybenzoate sodium, titanium dioxide, glycerol, ferric oxide yellow.