Table 1.
The color difference values of graphite pigment in different exposure periods under irradiation of 10 narrow-band lights.
| Wavelength(nm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Exposure(Wh/m2) | 447 | 475 | 500 | 519 | 555 | 595 | 624 | 635 | 658 | 733 |
| 0 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 2400 | 1.014 | 0.880 | 0.901 | 0.744 | 0.779 | 0.645 | 0.659 | 0.708 | 0.591 | 0.517 |
| 4800 | 1.229 | 1.042 | 1.250 | 1.022 | 1.019 | 0.898 | 0.829 | 0.822 | 0.813 | 0.635 |
| 7200 | 1.712 | 1.420 | 1.621 | 1.390 | 1.112 | 0.963 | 1.090 | 1.075 | 0.936 | 0.845 |
| 9600 | 1.891 | 1.710 | 1.886 | 1.674 | 1.308 | 1.394 | 1.174 | 1.136 | 1.080 | 1.029 |
| 12,000 | 2.071 | 1.923 | 1.954 | 2.027 | 1.715 | 1.571 | 1.311 | 1.529 | 1.182 | 1.166 |
| 14,400 | 2.447 | 2.043 | 2.267 | 2.129 | 1.914 | 1.648 | 1.762 | 1.652 | 1.349 | 1.212 |