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.
Status : PublishedPublication date : 2016-07
Edition : 1Number of pages : 9
Technical Committee:Fertilizers, soil conditioners and beneficial substances
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