Abstract
Polyvinyl alcohol-potassium iodine (PVA-KI) solution as a radiation dose meter has been proposed because it shows clear color changes in the presence of reactive radicals. Here, PVA-KI is studied to visualize the production and transport of radicals during the interaction between the atmospheric pressure plasma jet and the solution. First, we focus on the challenges of storing the PVA-KI sample solution at different temperatures. The reproducibility of the PVA-KI color reaction depends on this condition. Additionally, preliminary findings on the radical production mechanism and radical types are provided.
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