| 摘要 |
A method and a kit for verifying whether a surface has been cleaned or disinfected comprising marking one or more inanimate surfaces with an invisible solution, such as an ink, prior to cleaning or disinfection of the surface, and after cleaning or disinfection of the surface is purportedly completed, using an ultraviolet light source to illuminate any ink not removed in the cleaning and disinfection process. The invisible solution may be easily cleaned or removed from the one or more surfaces by, for example, washing or wiping with, for example, soap and water. A kit includes a marking device containing a liquid compound which is made visible when exposed to ultraviolet light, and a light source which, when illuminating a surface that has been marked with the liquid compound, fluoresces or otherwise makes visible any of the compound remaining on the surface following cleaning or disinfection operations.
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