Pengaruh Lama Paparan Cahaya Lampu Di Paper Laboratory Terhadap Nilai Lightne…

ABSTRACT Lightfastness is the level of the paper's ability to maintain the accuracy of color strength, brightness and whiteness from time to time because it can cause fading due to exposure to light. The purpose of this final project is to determine how the rate of change of lightness, brightness, and fluorescence values in paper samples tested for 90 days under the light exposure in the p…