STB PDF

Colorimetry - CIE tristimulus values. Original standard BS EN ISO 11664-3-2013 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Colorimetry - CIE 1976 L*a*b* Colour space. Original standard BS EN ISO 11664-4-2011 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Colorimetry - CIE 1976 L*u*v* colour space and u', v' uniform chromaticity scale diagram. Original standard BS EN ISO 11664-5-2016 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN ISO CIE 11664-5-2024

Colorimetry - CIEDE2000 Colour-difference formula. Original standard BS EN ISO 11664-6-2016 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Measurement of radioactivity in the environment. Air: radon-222 - Origins of radon and its short-lived decay products and associated measurement methods. Original standard BS EN ISO 11665-1-2015 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Measurement of radioactivity in the environment. Air: radon-222 - Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products. Original standard BS EN ISO 11665-2-2015 in PDF full version. Additional info + preview on request

Document status: Withdrawn