Moldova standards PDF

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

Document status: Replaced by St ISO 7404-2-2025

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

Document status: Replaced by St ISO 7404-3-2025

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

Document status: Replaced by St ISO 7404-5-2025

Sodium carbonate for industrial use - Determination of sodium hydrogen carbonate content - Titrimetric method. Original standard ISO 741-1976 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Hexagon bolts for high-strength structural bolting with large width across flats (thread lengths according to ISO 888) - Product grade C - Property classes 8.8 and 10.9. Original standard ISO 7411-1984 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Hexagon bolts for high-strength structural bolting with large width across flats (short thread length) - Product grade C - Property classes 8.8 and 10.9. Original standard ISO 7412-1984 in PDF full version. Additional info + preview on request

Document status: Withdrawn