ISO 10390:2021

Soil, treated biowaste and sludge – Determination of pH

Publication date: Apr 6, 2021

General information

Current stage: 60.60 Effective date: Apr 6, 2021

Originator: ISO

Owner: ISO/TC 190/SC 3

Type: International Standard

ICS: 13.080.10

Languages: English French

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Status: Published

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Scope

This document specifies an instrumental method for the routine determination of pH within the range pH 2 to pH 12 using a glass electrode in a 1:5 (volume fraction) suspension of soil, sludge and treated biowaste in either water (pH in H2O), in 1 mol/l potassium chloride solution (pH in KCl) or in 0,01 mol/l calcium chloride solution (pH in CaCl2).
This document is applicable to all types of air-dried soil and treated biowaste samples.
NOTE For example, pretreated in accordance with ISO 11464 or EN 16179 or EN 15002.

Life cycle

PREVIOUSLY

Revises
ISO 10390:2005

NOW

PUBLISHED
ISO 10390:2021
60.60 Standard published
Apr 6, 2021

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