ISO-22018 › Fertilizers, soil conditioners and beneficial substances - Determination of EDTA soluble phosphorus content in inorganic fertilizers
ISO-22018
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1ST EDITION
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CURRENT
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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.
To find similar documents by classification:
65.080 (Fertilizers Including soil conditioners and culture medium)
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Document Number
ISO 22018:2021
Revision Level
1ST EDITION
Status
Current
Publication Date
July 1, 2021
Committee Number
ISO/TC 134