Name: PREN 12945 : DRAFT 2012
Brand: CEN

PREN 12945 : DRAFT 2012

Superseded

View Superseded by

LIMING MATERIALS - DETERMINATION OF NEUTRALIZING VALUE - TITRIMETRIC METHODS

Superseded date

04-01-2014

Published date

01-12-2013

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Procedure
9 Calculation and expression of results for method
A and method B
10 Precision
11 Test report
Annex A (informative) - Results of an inter-laboratory
trial to determine the neutralizing value
Bibliography

Defines two methods for the determination of the neutralizing value (NV) of liming materials: - Method A is applicable to all liming materials except silicate liming materials and - Method B is applicable to all liming materials.

Committee	TC 260
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 12945:2014+A1:2016

Standards	Relationship
12/30263890 DC : 0	Identical
07/30158574 DC : 0	Identical

ISO 3310-1:2016	Test sieves Technical requirements and testing Part 1: Test sieves of metal wire cloth
EN 1482-2:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
EN 14984:2016	Liming materials - Determination of product effect on soil pH - Soil incubation method
EN 12944-3 : 2001	FERTILIZERS AND LIMING MATERIALS - VOCABULARY - PART 3: TERMS RELATING TO LIMING MATERIALS
ISO 6598:1985	Fertilizers — Determination of phosphorus content — Quinoline phosphomolybdate gravimetric method
ISO 7497:1984	Fertilizers — Extraction of phosphates soluble in mineral acids
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
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