ISO/DIS 25251

Soil quality — Determination of inorganic arsenic species in soils and soil-like materials

General information

Current stage: 40.20 Effective date: May 11, 2026

Originator: ISO

Owner: ISO/TC 190/SC 3

Type: International Standard

ICS: 13.080.10

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Scope

This document specifies a method primarily developed for the determination of inorganic As(III) and As(V) species in soil. It covers the extraction of the inorganic As(III) and As(V) from soil using 0.43 M HNO3 and EDTA without a significant As species transformation during the extraction procedure and its analysis using LC-ICP-MS.

Life cycle

NOW

PROJECT
ISO/DIS 25251
40.20 DIS ballot initiated: 12 weeks
May 11, 2026

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