EN ISO 21078-2:2007
Current
The latest, up-to-date edition.
Determination of boron(III) oxide in refractory products - Part 2: Acid extraction method for the determination of boron(III) oxide in binder components (ISO 21078-2:2006)
03-10-2007
1 Scope
2 Normative references
3 Terms and definitions
4 Preparation of the test sample
5 Reagents
6 Mass of test portion for extraction
7 Preparation of the test solution
8 Blank solution
9 Classification of determination methods
10 Determination of boron(III) oxide by sodium hydroxide
titrimetry
11 Determination of boron(III) oxide by inductived coupled
plasma/atomic emission spectrometry
12 Curcumine absorption spectrophotometry (Rothocyanine method)
13 Quality assurance and control
14 Expression of test results
15 Test report
ISO 21078-2:2006 specifies procedures of chemical analysis for the determination of boron(III) oxide used as a binder component added to aluminosilicate refractories, using an acid extraction method. It is applicable for refractories containing less than 1 % (mass fraction) of boron(III) oxide.
| Committee |
CEN/TC 187
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN ISO 21078-2:2007-12 | Identical |
| BS EN ISO 21078-2:2007 | Identical |
| NEN EN ISO 21078-2 : 2007 | Identical |
| ISO 21078-2:2006 | Identical |
| NBN EN ISO 21078-2 : 2008 | Identical |
| NS EN ISO 21078-2 : 1ED 2007 | Identical |
| PN EN ISO 21078-2 : 2007 | Identical |
| I.S. EN ISO 21078-2:2007 | Identical |
| UNE-EN ISO 21078-2:2008 | Identical |
| ISO 3310-1:2016 | Test sieves — Technical requirements and testing — Part 1: Test sieves of metal wire cloth |
| ISO 836:2001 | Terminology for refractories |
| ISO 31-0:1992 | Quantities and units — Part 0: General principles |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |