PREN 13971 : DRAFT 2011

Name: PREN 13971 : DRAFT 2011
Brand: CEN

Superseded

View Superseded by

CARBONATE AND SILICATE LIMING MATERIALS - DETERMINATION OF REACTIVITY - POTENTIOMETRIC TITRATION METHOD WITH HYDROCHLORIC ACID

Superseded date

01-12-2012

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Apparatus
5 Reagents
6 Preparation of the test sample
7 Procedure
8 Expression of results
9 Precision
10 Test report
Annex A (normative) Preparation of the test portion
of liming materials coarser than 1 mm
Annex B (normative) Arrangement of the test apparatus
Bibliography

Describes a method for the determination of the speed and effectiveness of the neutralizing potential of calcium carbonate, calcium magnesium carbonate and calcium magnesium silicate liming materials by potentiometric titration with hydrochloric acid.

Committee	TC 260
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 13971:2012

Standards	Relationship
11/30231847 DC : 0	Identical
07/30158594 DC : 0	Identical

EN 14069:2017	Liming materials - Denominations, specifications and labelling
EN 12945:2014+A1:2016	Liming materials - Determination of neutralizing value - Titrimetric methods
EN 12948:2010	Liming materials - Determination of size distribution by dry and wet sieving
EN 1482-2:2007	Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
EN 13475:2001	Liming materials - Determination of calcium content - Oxalate method
EN 12048:1996	Solid fertilizers and liming materials - Determination of moisture content - Gravimetric method by drying at (105 +/- 2)°C (ISO 8190:1992 modified)
EN 12947 : 2000	LIMING MATERIALS - DETERMINATION OF MAGNESIUM CONTENT - ATOMIC ABSORPTION SPECTROMETRIC METHOD