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I.S. EN ISO 21079-1:2008

Current
Current

The latest, up-to-date edition.

CHEMICAL ANALYSIS OF REFRACTORIES CONTAINING ALUMINA, ZIRCONIA AND SILICA - REFRACTORIES CONTAINING 5 PERCENT TO 45 PERCENT OF ZRO[2] (ALTERNATIVE TO THE X-RAY FLUORESCENCE METHOD) - PART 1: APPARATUS, REAGENTS AND DISSOLUTION
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Reagents
   5.1 General
   5.2 Standard solutions specific to ISO 21079
6 Sampling
7 General procedures
8 Determination of loss on ignition
9 Decomposition of the sample and preparation of solutions
   used in the analysis
   9.1 General decomposition techniques
   9.2 Dissolution methods by fusion
   9.3 Dissolution methods by hydrofluoric acid attack
10 Expression of test results
11 Examination and adoption of test results
12 Test report
Annex A (informative) References for stock solutions and blank
        solutions in this part of ISO 21079
Bibliography

Describes methods for the chemical analysis of AZS (alumina, zirconia, and silica) refractory products (containing 5% to 45% of ZrO[2]) and raw materials, using traditional ("wet") methods, inductively coupled plasma atomic emission (ICP-AE) spectrometry and flame atomic absorption (FAA) spectrometry.

DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
ISO 21079-1:2008 Identical
EN ISO 21079-1:2008 Identical

ISO 6353-1:1982 Reagents for chemical analysis — Part 1: General test methods
ISO 12677:2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method
ISO 6353-3:1987 Reagents for chemical analysis — Part 3: Specifications — Second series
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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