Name: UNI EN ISO 21079-3 : 2008
Brand: UNI

CHEMICAL ANALYSIS OF REFRACTORIES CONTAINING ALUMINA, ZIRCONIA, AND SILICA - REFRACTORIES CONTAINING 5% TO 45% 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)

Published date

04-09-2008

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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.

Committee	CT 700
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
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