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CEN
EN ISO 21587-2:2007

EN ISO 21587-2:2007

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Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 21587-2:2007)

Published date

26-09-2007

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Determination of residual silicon(IV) oxide in solution
4 Determination of aluminium oxide
5 Determination of iron(III) oxide
6 Determination of titanium(IV) oxide
7 Determination of manganese(II) oxide by permanganate
   absorption spectrophotometric method
8 Determination of calcium oxide
9 Determination of magnesium oxide
10 Determination of sodium oxide by flame photometry
11 Determination of potassium oxide by flame photometry
12 Determination of chromium(III) oxide using diphenylcarbazide
13 Determination of zirconium oxide by Xylenol orange
14 Determination of phosphorus(V) oxide by molybdenum blue
15 Test report

ISO 12677-2:2007 specifies traditional ("wet") methods for the chemical analysis of aluminosilicate refractory products and raw materials. The methods are applicable to the determination of the following:silicon(IV) oxide (SiO2)aluminium oxide (Al2O3)iron(III) oxide (total iron oxide calculated as Fe2O3)titanium(IV) oxide (TiO2)manganese(II) oxide (MnO)calcium oxide (CaO)magnesium oxide (MgO)sodium oxide (Na2O)potassium oxide (K2O)chromium(III) oxide (Cr2O3)zirconium oxide (ZrO2)phosphorous(V) oxide (P2O5)This part of ISO 12677 gives alternatives to the X-ray fluorescence (XRF) method given in ISO 12677:2003.

Committee
CEN/TC 187
DevelopmentNote
Supersedes EN 955-2. (10/2007)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

ISO 21587-1:2007 Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 1: Apparatus, reagents, dissolution and gravimetric silica
ISO 26845:2008 Chemical analysis of refractories General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods

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