DIN Standards Committee Food and Agricultural Products
Organo-mineral fertilizers - Extraction of phosphorus soluble in a neutral ammonium citrate solution
Abstract
This European Standard specifies the procedure for the extraction of different organic and organo-mineral fertilizers with a solution of neutral ammonium citrate to enable a subsequent determination of phosphorus. This document is applicable to the fertilizing products blends where a blend is a mix of at least two of the following components: Fertilizers, Liming Materials, Soil Improvers, Growing Media, Inhibitors, Plant Biostimulants, and where the following category: organic fertilizers, organo-mineral fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If the organic fertilizer or the organo-mineral fertilizer is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. NOTE: Alternatively, inductively coupled plasma mass spectrometry (ICP-MS) can be used for the measurement if the user proves that the method gives the same results.
Begin
2025-06-01
WI
00260344
Planned document number
prEN 17779
Responsible national committee
Responsible european committee
CEN/TC 260/WG 8 - Organic and organo-mineral fertilizers
previous edition(s)
Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate
2022-04
