ISO 10390:2021
Soil, treated biowaste and sludge - Determination of pH
- Standard No.
- ISO 10390:2021
- Release Date
- 2021
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 10390:2021
- 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.
ISO 10390:2021 history
- 2021 ISO 10390:2021 Soil, treated biowaste and sludge - Determination of pH
- 2005 ISO 10390:2005 Soil quality - Determination of pH
- 1994 ISO 10390:1994 Soil quality - Determination of pH
