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I.S. EN ISO 21079-3:2008

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 3: FLAME ATOMIC ABSORPTION SPECTROPHOTOMETRY (FAAS) AND INDUCTIVELY COUPLED PLASMA EMISSION SPECTROMETRY (ICP-AES)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

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.


Dates of withdrawal of national standards are available from NSAI.

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Foreword
1 Scope
2 Normative references
3 Instrumental methods using ICP-AES
  3.1 Determination of residual silica in solution by
      ICP-AES
  3.2 Determination of silicon(IV) oxide, aluminium oxide,
      iron(III) oxide, titanium(IV) oxide, calcium oxide,
      magnesium oxide, chromium(III) oxide and hafnium
      oxide using stock solutions (S1), (S'1) or (S''1)
      by ICP-AES
  3.3 Determination of calcium oxide, magnesium oxide,
      sodium oxide and potassium oxide using stock
      solutions (S4) by ICP-AES
4 Instrumental methods using Flame Atomic Absorption
  Spectrometry (FAAS)
  4.1 Determination of calcium oxide, magnesium oxide,
      sodium oxide and potassium oxide using stock
      solutions (S3) by FAAS
  4.2 Determination of chromium(III) oxide by
      FAAS spectrometry
5 Calculation and expression of test results
6 Test report
Bibliography

Describes flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES) methods for the analysis of AZS (alumina, zirconia, and silica) refractory products (containing 5% to 45% of ZrO[2]) and raw materials.

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

Standards Relationship
ISO 21079-3:2008 Identical
EN ISO 21079-3:2008 Identical

ISO 12677:2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method
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
ISO 21079-1:2008 Chemical analysis of refractories containing alumina, zirconia and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents and dissolution

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