30.00 Oct 17, 2025
ISO
ISO/TC 190/SC 3
International Standard
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
PROJECT
ISO/CD 11263
30.00
Committee draft (CD) registered
Oct 17, 2025