EN 15921:2011
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C

Standard No.

EN 15921:2011

Release Date

2011

Published By

European Committee for Standardization (CEN)

Latest

EN 15921:2011

Replace

CEN/TS 15921-2009 FprEN 15921-2010

Scope

This document specifies the procedure for the determination of soluble phosphorus in alkaline ammonium citrate. The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO4 · 2H2O).

EN 15921:2011 Referenced Document

• EN 12944-1:1999 Fertilizers and Liming Materials - Vocabulary - Part 1: General Terms
• EN 12944-2:1999 Fertilizers and Liming Materials - Vocabulary - Part 2: Terms Relating to Fertilizers
• EN 1482-2:2007 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
• EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen

EN 15921:2011 history

• 2011 EN 15921:2011 Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C