aqueous composition containing iron oxide of high purity.

2003 
useful for providing coloration aqueous composition comprising: a) from 20 to 95% by weight of water; b) 5 to 80% by weight of pigment iron oxide, said pigment average particle diameter of 0, 01-1, 30 mim, a specific surface of 3, 0 to 200 m2 / gram, and a density specific 3, 20-5, 20, and which pigment contains: lead not to exceed 20 ppm arsenic not to exceed 5 ppm; and mercury not to exceed 3 ppm; dispersing said pigment iron oxide in said aqueous composition; c) one or more preservatives.
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