Iranian researchers Tarbiat Modarres University, in collaboration with the Institute for Color Science and Technology, have successfully developed hematite nano-capsule as a non-toxic red pigment to be used in textile industry. "Cadmium sulphoselenide-zirconium inclusion red pigments were produced as the commercial red color due to the extreme need of textile industries. However, cadmium sulphoselenide is very toxic and harmful.
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