Published
Specifies an extraction method and analytical conditions to determine the content of soil phosphorus soluble in sodium hydrogen carbonate solution. Lays down colour development at room temperature and after heating to a high temperature. Applicable to all types of soils.
PUBLISHED
ISO 11263:1994
90.92
Standard to be revised
Oct 17, 2025
PROJECT
ISO/CD 11263
Soil quality — Determination of phosphorus — Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution
90.92 Standard to be revised