ISO 22551:2020 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

Measurement
Hazards
Bacteria
Contamination
Test methods
Technical ceramics
Ceramics

Link: ISO 22551:2020 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
Source: BSI Standards

BS EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases. Performance requirements and test methods

Classification systems
Combustion
Safety measures
Specimen preparation
Test equipment
Freezers
Ignition
Symbols
Domestic safety
Performance testing
Fixed
Fire safety
Manual control systems
Instructions for use
Fire tests
Mechanical testing
1st family gases
Refrigerators
2nd family gases
Automatic control systems
Combustion products
3rd family gases
Leak tests
Gas-powered devices
Loading
Flames
Design
Built-in
Household equipment
Domestic
Marking
Heat
Installation
Testing conditions
Stability
Portable

Link: BS EN 50676:2019 Electrical equipment used for detection and concentration measurement of refrigerant gases. Performance requirements and test methods
Source: BSI Standards