Biological oxygen demand
Oxygen demand
Water
Specimen preparation
Water resources
Biological analysis and testing
Water testing
Chemical analysis and testing
Quality
Dilution
Test duration
Interferences (chemical)
Testing conditions
Link: BS EN ISO 5815-1:2019 Water quality. Determination of biochemical oxygen demand after n days (BODn) Dilution and seeding method with allylthiourea addition
Source: BSI Standards
Specimen preparation
Bars (materials)
Thickness
Marking
Length
Form tolerances
Tensile strength
Mechanical testing
Steels
Dimensional tolerances
Test specimens
Hollow sections
Flatness (surface)
Rolling
Metal sections
Width
Elongation at fracture
Inspection
Sheet materials
Chemical composition
Strips
Surface treatment
Atmospheric corrosion
Weather resistance
Structural steels
Testing conditions
Impact strength
Weldability
Yield strength
Size
Surface defects
Designations
Link: BS EN 10025-5:2019 – TC Tracked Changes. Hot rolled products of structural steels Technical delivery conditions for structural steels with improved atmospheric corrosion resistance
Source: BSI Standards
Link: ISO 6336-3:2019 Calculation of load capacity of spur and helical gears Calculation of tooth bending strength
Source: BSI Standards
