From: Study of stability of brown-gray inks on paper support
Sample | Residual stabilities (R) and 95 % reasonability ranges of R | |||||
---|---|---|---|---|---|---|
Light ageing | Thermal ageing | Thermal ageing with NO 2 | ||||
R (23°C) | R 95 % | R (23°C) | R 95 % | R (23°C) | R 95 % | |
W | 0.85 ± 0.49 | 0-1 | 1.8 ± 1.2 | 0-1 | 5.2 ± 3.4 | 0-1 |
B | 1.7 ± 0.9 | 0-1 | 0.79 ± 0.19 | 0.42-1 | 0.79 ± 0.23 | 0.34-1 |
S | 2.4 ± 2.1 | 0-1 | 4.8 ± 1.6 | >1 | 300 ± 124 | >1 |
IGI 11 | 0.49 ± 0.16 | 0.18-0.80 | 0.18 ± 0.07 | 0.01-0.71 | 0.36 ± 0.18 | 0.01-0.71 |