STM PDF

Fertilizers - Determination of acid-soluble potassium content - Preparation of the test solution. Original standard ISO 7407-1983 in PDF full version. Additional info + preview on request

Document status: Active

Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method. Original standard ISO 7408-1983 in PDF full version. Additional info + preview on request

Document status: Active

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

Document status: Active

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: Replaced by

Fertilizers and soil conditioners - Final samples - Practical arrangements. Original standard ISO 7410-1983 in PDF full version. Additional info + preview on request

Document status: Active

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: Replaced by