was provided by a local factory. The L* value was an-alyzed by means of a tristimulus colorimeter (Chromameter-2 CR-200,Minolta, Osaka, Japan) using the D65 illuminant and CIE 1931 standard observer.
was provided by a local factory. The L* value was an-alyzed by means of a tristimulus colorimeter (Chromameter-2 CR-200,Minolta, Osaka, Japan) using the D65 illuminant and CIE 1931 standard observer.