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Chromatic Variation Measurements

AD Alessia D’Andrea
LS Leonardo Severini
SD Sultan Dabagov
VG Valeria Guglielmotti
DH Dariush Hampai
LM Laura Micheli
EP Ernesto Placidi
MT Mattia Titubante
GP Gaio Paradossi
AP Antonio Palleschi
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Measurements concerning the optical quality of paper were performed using a Konica Minolta CR-200. Coordinates in the CIELAB color space (L*, a*, b*) were obtained using a D65 illuminant and a 10° observer. Chromatic variation tests before and after cleaning were reported in terms of ΔE, which is the distance between two points in the CIELAB space. Results were obtained from three measurements on the same spot.13

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