STM PDF

Soil quality - Guidance on methods for measuring greenhouse gases (CO2, N2O, CH4) and ammonia (NH3) fluxes between soils and the atmosphere. Original standard ISO 20951-2026 in PDF full version. Additional info + preview on request

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Irrigation techniques - Remote monitoring and control for irrigation - Part 1- General considerations. Original standard ISO 21622-1-2026 in PDF full version. Additional info + preview on request

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Cards and security devices for personal identification - Building blocks for identity management via mobile devices - Part 2- Data objects and encoding rules for generic eID systems. Original standard ISO IEC TS 23220-2-2026 in PDF full version. Additional info + preview on request

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Cards and security devices for personal identification - Building blocks for identity management via mobile devices - Part 4- Protocols and services for operational phase. Original standard ISO IEC TS 23220-4-2026 in PDF full version. Additional info + preview on request

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Plastics - Aromatic isocyanates for use in the production of polyurethanes - Determination of total chlorine. Original standard ISO 26603-2026 in PDF full version. Additional info + preview on request

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Hot-rolled steel sections - Dimensions, sectional properties and tolerances - Part 1- Angles, sloping flange channels and sloping flange beams. Original standard ISO 657-1-2026 in PDF full version. Additional info + preview on request

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