STB PDF

Analytical colorimetry - Special indices. Original standard BS EN ISO 18314-3-2018 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Analytical colorimetry - Metamerism index for pairs of samples for change of illuminant. Original standard BS EN ISO 18314-4-2021 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Animal and vegetable fats and oils. Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Method using slow alkaline transesterification and measurement for 2-MCPD, 3-MCPD and glycidol. Original standard BS EN ISO 18363-2-2018 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Animal and vegetable fats and oils. Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Method using acid transesterification and measurement for 2-MCPD, 3-MCPD and glycidol. Original standard BS EN ISO 18363-3-2021 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Ophthalmic optics. Contact lenses. Measurement methods. Original standard BS EN ISO 18369-3-2017 in PDF full version. Additional info + preview on request

Document status: Active

Ophthalmic optics. Contact lenses. Physicochemical properties of contact lens materials. Original standard BS EN ISO 18369-4-2017 in PDF full version. Additional info + preview on request

Document status: Active