Reference number
ISO 10390:2021
© ISO 2024
International Standard
ISO 10390:2021
Soil, treated biowaste and sludge – Determination of pH
Edition 3
2021-04
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Published (Edition 3, 2021)

ISO 10390:2021

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CHF 63
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2021-04
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 190/SC 3
    ICS :
    13.080.10 
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