EN ISO 21079-3:2008 PDF

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 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP -AES) (ISO 21079-3:2008)

Название (английский):

EN ISO 21079-3:2008

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 15 апреля 2008 г.
Издание:: CEN EN 21079 edition 1 version 1
ICS:: 71.040.40

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Описание (английский):

ISO 21079-3:2008 specifies 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 ZrO2) and raw materials. ISO 21079-3:2008 is not applicable to MgO-based refractories. ISO 21079-3:2008 gives alternatives to the X-ray fluorescence (XRF) method given in ISO 12677.

Технические детали

Технический комитет: CEN/TC 187 - Refractory products and materials
SKU: EN ISO 21079-3:2008

Abstract

Overview

EN ISO 21079-3:2008 specifies instrumental chemical analysis methods for AZS (alumina‑zirconia‑silica) refractories containing 5 % to 45 % ZrO2. Published by CEN/ISO, Part 3 provides procedures using flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP‑AES / ICP‑AES) as alternatives to the X‑ray fluorescence (XRF) approach in ISO 12677. This part is intended for AZS products and raw materials and is not applicable to MgO‑based refractories.

Key Topics and Requirements

Scope and applicability
- Analysis of AZS refractory products and feedstocks with 5–45 % ZrO2.
- Alternative instrumental routes to XRF for elemental oxide quantification.
Instrumental methods
- ICP‑AES methods:
  - Determination of residual dissolved silica (SiO2) in stock solutions.
  - Determination of SiO2*, Al2O3, Fe2O3, TiO2, CaO, MgO, Cr2O3 and HfO2 from specified stock solutions (S1, S'1, S''1).
  - Calibration procedures, blank tests and use of matrix-matched calibration solutions.
- FAAS methods:
  - Determination of CaO, MgO, Na2O and K2O using specified stock solutions (S3).
  - Determination of Cr2O3 by FAAS where applicable.
Analytical controls
- Use of stock and matrix solutions, series calibration, blank determinations and stated concentration ranges.
- Calculation and expression of results, and content required in the test report.
Normative references
- References include ISO 21079‑1 (apparatus, reagents, dissolution) and ISO 26845 (general requirements for wet chemical, AAS and ICP methods).

Applications and Who Uses This Standard

Quality control laboratories in refractory manufacturing that need reliable, instrument‑based oxide analysis for AZS products.
Materials and process engineers in steel, glass, cement and non‑ferrous industries who specify or validate refractory compositions.
R&D and failure analysis teams requiring precise oxide determinations where XRF may be unsuitable or needs verification by FAAS/ICP.
Use cases: incoming raw material qualification, production QC, batch certification, and method validation where FAAS/ICP are preferred or required.

Related Standards

ISO 21079‑1: Apparatus, reagents and dissolution (required companion document).
ISO 21079‑2: Wet chemical analysis methods.
ISO 12677: XRF method for refractories (EN ISO 21079‑3 provides alternatives).
ISO 26845: General requirements for wet chemical, AAS and ICP methods.

Keywords: EN ISO 21079‑3:2008, FAAS, ICP‑AES, AZS refractories, chemical analysis, ZrO2 5%–45%, XRF alternative, refractory quality control.

Overview

Key Topics and Requirements

Scope and applicability
- Analysis of AZS refractory products and feedstocks with 5–45 % ZrO2.
- Alternative instrumental routes to XRF for elemental oxide quantification.
Instrumental methods
- ICP‑AES methods:
  - Determination of residual dissolved silica (SiO2) in stock solutions.
  - Determination of SiO2*, Al2O3, Fe2O3, TiO2, CaO, MgO, Cr2O3 and HfO2 from specified stock solutions (S1, S'1, S''1).
  - Calibration procedures, blank tests and use of matrix-matched calibration solutions.
- FAAS methods:
  - Determination of CaO, MgO, Na2O and K2O using specified stock solutions (S3).
  - Determination of Cr2O3 by FAAS where applicable.
Analytical controls
- Use of stock and matrix solutions, series calibration, blank determinations and stated concentration ranges.
- Calculation and expression of results, and content required in the test report.
Normative references
- References include ISO 21079‑1 (apparatus, reagents, dissolution) and ISO 26845 (general requirements for wet chemical, AAS and ICP methods).

Applications and Who Uses This Standard

Quality control laboratories in refractory manufacturing that need reliable, instrument‑based oxide analysis for AZS products.
Materials and process engineers in steel, glass, cement and non‑ferrous industries who specify or validate refractory compositions.
R&D and failure analysis teams requiring precise oxide determinations where XRF may be unsuitable or needs verification by FAAS/ICP.
Use cases: incoming raw material qualification, production QC, batch certification, and method validation where FAAS/ICP are preferred or required.

Related Standards

ISO 21079‑1: Apparatus, reagents and dissolution (required companion document).
ISO 21079‑2: Wet chemical analysis methods.
ISO 12677: XRF method for refractories (EN ISO 21079‑3 provides alternatives).
ISO 26845: General requirements for wet chemical, AAS and ICP methods.

Keywords: EN ISO 21079‑3:2008, FAAS, ICP‑AES, AZS refractories, chemical analysis, ZrO2 5%–45%, XRF alternative, refractory quality control.

EN ISO 21079-3:2008 PDF

Технические детали

Abstract

Overview

Key Topics and Requirements

Applications and Who Uses This Standard

Related Standards

Похожие стандарты

Abstract

Overview

Key Topics and Requirements

Applications and Who Uses This Standard

Related Standards

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