This standard specifies the light sources and irradiance meters used when testing the performance of photocatalytic materials excited by ultraviolet light in the laboratory.
JIS R 1709:2007 history
2014JIS R 1709:2014 Fine ceramics (advanced ceramics, advanced technical ceramics) -- Light source for test of photocatalytic materials used under ultraviolet
2007JIS R 1709:2007 Light source for test of photocatalytic materials used under ultraviolet