Highly Dispersed Re-Doped CoAl₂O₄ Nanopigments: Synthesis and Chromatic Properties

Table 2

Color coordinates of the CoAl₂O₄ and CoAl_1.95Re_0.05O₄ powder pigments.

Pigment composition	Color coordinates
	CoAl2O4	34.8	14.7	−23.9
CoAl1.95Y0.05O4	20.8	41.3	−76.5
CoAl1.95La0.05O4	21.9	−4.42	−7.64
CoAl1.95Nd0.05O4	26.1	27.3	−74.2
CoAl1.95Sm0.05O4	20.3	21.6	−75.3
CoAl1.95Eu0.05O4	24.2	25.8	−58.6