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DIN ISO 22197-1
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 1: Removal of nitric oxide (ISO 22197-1:2016)
Edition
2018-12
DIN-Fachbericht CEN/TR 15735
Postal services - Quality of service - Distance to access point; English version prCEN/TR 15735:2007
Edition
2009-02
DVGW W 239
Application of Activated Carbon for Organic Matter Removal in Drinking Water Treatment
Edition
2021-10
DVGW W 249
Removal of Relevant Heavy Metals in Drinking Water Treatment
Edition
2025-09
ISO/DIS 4240-3
Fine bubble technology - Environmental applications - Part 3: Test method for on-site evaluation of the performance of algae bloom removal facilities
Edition
2025-04
ISO/DIS 4240-4
Fine bubble technology - Environmental applications - Part 4: Test method for the removal of oil from soil by washing using fine bubbles
Edition
2025-10
ISO 7507-2
Petroleum and liquid petroleum products - Calibration of vertical cylindrical tanks - Part 2: Optical-reference-line method or electro-optical distance-ranging method
Edition
2022-03
ISO 12891-2
Retrieval and analysis of surgical implants - Part 2: Analysis of retrieved surgical implants
Edition
2020-04
ISO 17168-1
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 1: Removal of nitric oxide
Edition
2025-11
ISO 17168-2
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials under indoor lighting environment - Part 2: Removal of acetaldehyde
Edition
2025-11
