CHEMICAL ANALYSIS OF REFRACTORY PRODUCTS BY X-RAY FLUORESCENCE (XRF) - FUSED CAST-BEAD METHOD

Published date

26-10-2011

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Types of material
4 Principle
5 Apparatus
6 Sample grinding
7 Loss on ignition (and/or drying)
8 Flux
9 Fusion casting procedures
10 Calibration
11 Corrections
12 Reproducibility and repeatability
13 Accuracy determined by certified reference materials
14 Definitions of limits of detection
15 Test report
Annex A (normative) - Calibration range and required
        detection limits
Annex B (normative) - Corrections for tungsten carbide
        grinding media
Annex C (informative) - Examples of fluxes/flux ratios
Annex D (normative) - Examples of CRM to be used to
        check synthetic calibrations
Annex E (normative) - Examples of SeRM
Annex F (normative) - Equation for theoretical calculations
Annex G (normative) - Certified reference materials (CRMs)
Annex H (normative) - Method of inter-element correction
        used to compensate for the effects of co-existing
        components when using SeRM for calibration
Annex I (normative) - Standard deviations achieved with
        certified reference materials
Bibliography

Describes a method for the chemical analysis of refractory and technical ceramic raw materials, intermediates and products, by means of the X-ray fluorescence (XRF) fused cast-bead method.

Committee	CT 700
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI EN ISO 12677 : 2003

Standards	Relationship
UNE-EN ISO 12677:2012	Identical
SN EN ISO 12677:2012	Identical
NBN EN ISO 12677 : 2011	Identical
DIN EN ISO 12677:2013-02	Identical
NEN EN ISO 12677 : 2011	Identical
EN ISO 12677:2011	Identical
I.S. EN ISO 12677:2011	Identical
NF EN ISO 12677 : 2011	Identical
BS EN ISO 12677:2011	Identical
ISO 12677:2011	Identical
NS EN ISO 12677 : 2011	Identical

AS 2503.6-2007	Refractories and refractory materials - Chemical analysis Refractories, refractory mortars and silicate materials - Determination of major and minor elements - Wavelength dispersive X-ray fluorescence spectrometry using lithium borate fusion (Reconfirmed 2017)
ISO 565:1990	Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO Guide 35:2017	Reference materials — Guidance for characterization and assessment of homogeneity and stability
ISO 21068-2:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon
ISO 3534-2:2006	Statistics Vocabulary and symbols Part 2: Applied statistics
ISO 21068-1:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation
ISO 21068-3:2008	Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
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