Projects of ISO/TC 190/SC 3/WG 1

ISO/CD 14388-2 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 2: Chromium reducible sulfur (CRS) methodology More  Comment 
ISO/CD 14388-1 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 1: Introduction and definitions, symbols and acronyms, sampling and sample preparation More  Comment 
ISO/CD 14388-3 2026-05-18 Soil quality - Acid-base accounting procedure for acid sulfate soils - Part 3: Suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodology More  Comment 
ISO/CD 11263 2025-10-17 Soil quality - Determination of phosphorus - Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution More  Comment 
DIN EN ISO 15936 2025-05-27 Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion (ISO/DIS 15936:2025); German and English version prEN ISO 15936:2025 More  Comment 
ISO/DIS 15936 2024-10-30 Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion More  Comment 
ISO/DIS 25251 2024-09-09 Soil quality - Determination of inorganic arsenic species in soils and soil-like materials More  Comment 
DIN EN ISO 18227 2022-11-01 Environmental solid matrices – Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025); German version EN ISO 18227:2025 More  Comment 
DIN EN ISO 16965 2022-05-16 Environmental solid matrices – Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 16965:2025); German version EN ISO 16965:2025 More  Comment 

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