This document specifies the procedure for the determination of phosphorus soluble in 2 % formic acid (20 g
per litre). The method is applicable to soft natural phosphates exclusively.
BS EN 15919:2011 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 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
BS EN 15919:2011 history
2011BS EN 15919:2011 Fertilizers. Extraction of phosphorus soluble in 2 % formic acid
2009BS DD CEN/TS 15919:2009 Fertilizers - Extraction of phosphorus soluble in 2% formic acid