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ISO 22197-4
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 4: Removal of formaldehyde
Edition
2021-07
ISO 22197-5
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 5: Removal of methyl mercaptan
Edition
2021-07
ISO 22551
Fine ceramics (advanced ceramics, advanced technical ceramics) - Determination of bacterial reduction rate by semiconducting photocatalytic materials under indoor lighting environment - Semi-dry method for estimating antibacterial activity on the actual environmental bacteria contamination surface
Edition
2020-01
ISO 22578
Graphical symbols - Safety colours and safety signs - Natural disaster safety way guidance system
Edition
2022-02
ISO 22578-2
Graphical symbols - Safety colours and safety signs - Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system
Edition
2024-02
ISO 22601
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for determination of phenol oxidative decomposition performance of semiconducting photocatalytic materials by quantitative analysis of total organic carbon (TOC)
Edition
2019-09
ISO 22804
Marine technology - General technical requirement of marine conductivity-temperature-depth (CTD) measuring instrument
Edition
2023-08
ISO 22827-1
Acceptance tests for Nd:YAG laser beam welding machines - Machines with optical fibre delivery - Part 1: Laser assembly
Edition
2005-10
ISO 22827-2
Acceptance tests for Nd:YAG laser beam welding machines - Machines with optical fibre delivery - Part 2: Moving mechanism
Edition
2005-10
ISO 23331
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for total electrical conductivity of conductive fine ceramics
Edition
2021-07