European Committee for Standardization European Standard EN 16980- 1 2021 : photocatalysis : continuous flow test methods : part 1 : determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials / European Committee for StandardizationBrussels : CEN, 202128 p..
Ref. No. EN 16980-1:2021 E.
Supersedes CEN/TS 16980-1:2016 .
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