Name: UNI EN 15750 : 2009
Brand: UNI

FERTILIZERS - DETERMINATION OF TOTAL NITROGEN IN FERTILIZERS CONTAINING NITROGEN ONLY AS NITRIC, AMMONIACAL AND UREA NITROGEN BY TWO DIFFERENT METHODS

Published date

11-26-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Method A
7 Method B
8 Precision of methods A and B
9 Test report
Annex A (informative) - Statistical results of the
inter-laboratory tests
Bibliography

Describes two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers.

DevelopmentNote	Supersedes UNI CEN/TS 15750. (11/2009)
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI CEN/TS 15750 : 2008

Standards	Relationship
EN 15750:2009	Identical

ISO 5725-1:1994	Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
EN 12944-2:1999/AC:2000	FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 2: TERMS RELATING TO FERTILIZERS
ISO 385:2005	Laboratory glassware Burettes
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
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
ISO 5315:1984	Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
EN ISO 3696:1995	Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 1482-1:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling
EN ISO 385:2005	Laboratory glassware - Burettes (ISO 385:2005)