ISO 22018:2021
International Standard
Current Edition
· Approved on 07 July 2021
Fertilizers, soil conditioners and beneficial substances — Determination of EDTA soluble phosphorus content in inorganic fertilizers
ISO 22018:2021 Files
English 14 Pages
Current Edition
45.45 OMR
ISO 22018:2021 Scope
This document specifies the method for the determination of the EDTA soluble phosphorus content of inorganic fertilizers. The method is applicable for fertilizers composed of or blended from multiple sources such as superphosphate, ammonium phosphate, triple superphosphate, and/or nitrophosphate. It is not suitable for fertilizers containing calcium magnesium phosphates.
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