Iron oxide black pig...

Iron oxide black (E 172, synonymous CI Pigment Black 11, triiron‐tetraoxide, black iron oxide, ferrous ferric oxide, magnetite, Colour Index 77499) is identical to the active substance iron(II,III) oxide

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Iron oxide yellow 49...

Yellow Iron oxide also known as Pigment yellow 42 is yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is slightly soluble in acids but completely

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