Research Article
Improving Antimicrobial Activity of Carbon/Gelatin Composite by Ce(III)
Table 3
Color test results of the ink after centrifugation.
| Samples | Average blackness before centrifugation0.9 | Average blackness after centrifugation |
| Commercial 1 | 1.2231 | | Commercial 2 | 1.3590 | | CGCe ink | 1.3068 | |
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