PREN 13971 : DRAFT 2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CARBONATE AND SILICATE LIMING MATERIALS - DETERMINATION OF REACTIVITY - POTENTIOMETRIC TITRATION METHOD WITH HYDROCHLORIC ACID
01-12-2012
12-01-2013
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Superseded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 |
| 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 |
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