Name: PREN 15921 : DRAFT 2010
Brand: CEN

FERTILIZERS - EXTRACTION OF PHOSPHORUS ACCORDING TO PETERMANN AT 65 DEGREE C

Superseded date

06-01-2011

Published date

01-12-2013

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Reagents
7 Apparatus
8 Procedure
Bibliography

Describes the procedure for the determination of soluble phosphorus in alkaline ammonium citrate.

Committee	TC 260
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 15921:2011

EN 12944-2:1999/AC:2000	FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 2: TERMS RELATING TO FERTILIZERS
EN 12944-1:1999/AC:2000	FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 1: GENERAL TERMS
EN 1482-2:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
CEN/TS 15959:2009	Fertilizers - Determination of extracted phosphorus
EN 15475:2009	Fertilizers - Determination of ammoniacal nitrogen
EN 1482-1:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling