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STN is a protected designation of Slovak national technical standards.
Photocatalysis - Irradiation conditions for testing photocatalytic properties of semiconducting materials and the measurement of these conditions
Standard published on 1.7.2014
Selected format:Photocatalysis - Continuous flow test methods - Part 1: Determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials
Standard published on 1.12.2021
Selected format:Photocatalysis - Continuous flow test methods - Part 1: Determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials
WITHDRAWN published on 1.5.2017
Selected format:Photocatalysis - Anti-soiling chemical activity using adsorbed organics under solid/solid conditions - Part 1: Dyes on porous surfaces
Standard published on 1.8.2017
Selected format:Photocatalysis - Measurement of efficiency of photocatalytic devices used for the elimination of VOC and odour in indoor air in active mode - Part 1: Batch mode test method with a closed chamber
Standard published on 1.8.2017
Selected format:Photocatalysis - Water purification - Performance of photocatalytic materials by measurement of phenol degradation
Standard published on 1.8.2019
Selected format:Foundry work. Terminology
Standard published on 1.3.1972
Selected format:Foundry equipment. General technical requirements
Standard published on 1.9.1996
Selected format:Safety of machinery.Noise test code for foundry machines and equipment
Standard published on 1.10.2009
Selected format:Noise test code for foundry machines and equipment
WITHDRAWN published on 1.5.2001
Selected format:Latest update: 2026-04-14 (Number of items: 2 272 146)
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