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ISO 15959:2016

Fertilizers -- Determination of extracted phosphorus

General information
Valid from 14.07.2016
Directives or regulations
None
Standard history
Status
Date
Type
Name
14.07.2016
Main
ISO 15959:2016 specifies a method for the determination of phosphorus in fertilizer extracts. The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water soluble phosphorus, phosphorus soluble in solutions of ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in 2 % formic acid.
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