NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 374

ISO/DIS 11265 2022-10-24 Environmental solid matrices - Determination of the specific electrical conductivity More  Comment 
ISO/DIS 13196 2022-10-24 Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument More  Comment 
ISO/DIS 18724 2022-10-18 Water quality - Determination of dissolved chromium(VI) in water - Photometric method More  Comment 
ISO/DIS 15192 2022-10-18 Soil and waste - Determination of Chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrometric detection More  Comment 
DIN EN 12255-7 2022-10-10 Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version FprEN 12255-7:2024 More  Comment 
DIN EN 12255-1 2022-10-10 Wastewater treatment plants - Part 1: General design and construction principles; German version EN 12255-1:2024 More  Comment 
ISO/CD TS 18721 2022-10-07 Ecological soil functions: indicators and methods More  Comment 
ISO/CD TS 18718 2022-10-07 Soil functions and related-ecosystem services: definitions and conceptual framework More  Comment 
DIN CEN/TS 18041 2022-09-30 Hydrometry - Sedimentation - Measurements required for effective sediment management and control at river structures More  Comment 
ISO/DIS 18127 2022-09-19 Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement More  Comment 

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