| 摘要 |
The invention relates to an ink, the formulation of which includes at least one solvent, at least one coloring agent, at least one wetting agent, and at least one marker, characterized in that: said solvent is selected from the group consisting of water, vegetable oils, and natural resins; the wetting agent is a biodegradable agent of plant origin; and the marker is a photoluminescent marker including at least one lanthanide. |
