Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - In situ values of sound reflection under direct sound field conditions
Document status: Active
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 7: Extrinsic characteristics - In situ values of insertion loss
Document status: Active
Plastics — Declaration of the bio-based carbon content
Document status: Active
Liming materials — Determination of the dust content of granular liming materials before and after simulated handling conditions
Document status: Active
Postal services — Open interface — Sortplan
Document status: Active
Fertilizers — Determination of trace elements — Determination of arsenic by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
Document status: Active
Fertilizers — Determination of trace elements — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
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Fertilizers — Determination of trace elements — Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution
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Fertilizers — Determination of trace elements — Determination of mercury by vapour generation (VG) after aqua regia dissolution
Document status: Active
Postal Services - Hybrid Mail - Functional Specification for postal registered electronic mail
Document status: Active
