1. BS EN 16980-1. Photocatalysis. Continuous flow test methods. Part 1. Determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials (23rd March 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗