NBN EN 19955-2 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CHEMISCHE ANALYSE VAN VUURVASTE MATERIALEN - PRODUKTEN DIE SILICIUM(IV)OXIDE EN/OF ALUMINIUMOXIDE BEVATTEN (NATTE METHODE)
03-05-2008
01-12-2013
Committees responsible
National foreword
Foreword
1 Scope
2 Definitions
3 Sample preparation
4 Reagents
5 Apparatus
6 Determination of loss on ignition
7 Decomposition of the sample
8 Determination of silica and alumina, and oxides of
iron, titanium, manganese and phosphorus
9 Determination of calcium oxide, magnesia and alkalis
10 Direct determination of alumina in silica
refractories
11 Direct determination of alumina in aluminosilicates
and high alumina refractories
12 Reporting of results
13 Test report
Annex
A (normative) Calibrations
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