Chromophores are chemicals that can change color in response to certain stimuli, such as ultraviolet light. These compounds are often used in the manufacture of inks and pigments for various applications, including bills.
In the context of bills security, chromophores are used to create visual effects that are difficult to reproduce or counterfeit. For example, some bills have elements that are only visible under certain lighting conditions, such as ultraviolet light.
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19 июн 2024
