NEN EN ISO 21078-2 : 2007
Current
The latest, up-to-date edition.
DETERMINATION OF BORON(3) OXIDE IN REFRACTORY PRODUCTS - PART 2: ACID EXTRACTION METHOD FOR THE DETERMINATION OF BORON(3) OXIDE IN BINDER COMPONENTS
12-01-2013
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
Defines 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.
| DevelopmentNote |
Supersedes NEN ISO 21078-2. (11/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS EN ISO 21078-2:2007 | Identical |
| UNE-EN ISO 21078-2:2008 | Identical |
| EN ISO 21078-2:2007 | Identical |
| DIN EN ISO 21078-2:2007-12 | Identical |
| UNI EN ISO 21078-2 : 2007 | Identical |
| SN EN ISO 21078-2 : 2007 | Identical |
| ISO 21078-2:2006 | Identical |
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