STB PDF

Methods for the petrographic analysis of coals - Methods of preparing coal samples. Original standard BS ISO 7404-2-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS ISO 7404-2-2025

Methods for the petrographic analysis of coals - Method of determining maceral group composition. Original standard BS ISO 7404-3-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS ISO 7404-3-2025

Methods for the petrographic analysis of coals - Method of determining microlithotype, carbominerite and minerite composition. Original standard BS ISO 7404-4-2017 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS ISO 7404-4-2025

Methods for the petrographic analysis of coals - Method of determining microscopically the reflectance of vitrinite. Original standard BS ISO 7404-5-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS ISO 7404-5-2025

Fertilizers. Marking. Presentation and declarations. Original standard BS ISO 7409-2018 in PDF full version. Additional info + preview on request

Document status: Active

Hydraulic fluid power cylinders. Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals - Piston seal housings. Original standard BS ISO 7425-1-2021 in PDF full version. Additional info + preview on request

Document status: Active