Synthesis and characterization of environmentally benign calcium-doped Pr{sub 2}Mo{sub 2}O{sub 9} pigments: Applications in coloring of plastics

A new class of environmentally benign rare earth pigments of general formula Pr{sub 2-x}Ca{sub x}Mo{sub 2}O{sub 9-{delta}} (x ranges from 0 to 1.0) displaying colors ranging from green to yellow were synthesized by traditional solid-state route, as alternatives to lead, cadmium and chromium colorant...

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