PROCESS OF PREPARATION OF THE GREEN COSMETICS PIGMENT ON CHROMIC OXYHYDRATE BASIS

摘要

the present invention refers to a process to achieve cosmetic pigment green on the basis of oxihidrat chromiumby mixing a mixture of k2cr2o4: h3po3 with high purity (at least 99%) in a ratio of 1: 4 parts calcineaza homogenized mixture is at a temperature of 600.800 degree c for 30 60 min, after which takes place calirea product with a suspension of magnesium stearate or zinc at a temperature of 80.100 degree c, wash water temperature by decantari successive 50 60 degree c, is separated by filtration, drying at 120 degree c and grind.