Abstract
The ultraviolet light screening characteristics of monodisperse and polydisperse opaque spherical pigment particles are examined in the nonreflection limit. The screening capability for polydisperse particle size distributions is most uniquely described in terms of the area-average radius. The light screening is related to the pigment's area-average radius and volume fraction loading. Light intensity as a function of depth is stated for systems containing an opaque pigment and a soluble UV light absorber.
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