Yellow Pigment Powders Based on Lead and Antimony: Particle Size and Colour Hue.

The spectra of APB1, APB2, and APB3 ( Figure 6 A) show variations at 500 and 600 nm, whereas those of PSAPPB1 and PSAPPB2 exhibit an increasing trend from 400 to 650 nm, with a slight variation after 650 nm.

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