Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) Wet chemical analysis

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-30-2010

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Determination of silicon(IV) oxide
4 Determination of aluminium oxide
5 Determination of total iron as iron(III) oxide
6 Determination of titanium(IV) oxide
7 Determination of manganese(II) oxide
8 Determination of calcium oxide
9 Determination of magnesium oxide
10 Determination of sodium oxide by flame photometry
11 Determination of potassium oxide by flame
   spectrophotometry
12 Determination of chromium(III) oxide
13 Determination of zirconium oxide by xylenol orange
   absorption spectroscopy
14 Determination of phosphorus(V) oxide by molybdenum
   blue method
15 Test report

Describes traditional ("wet process") methods for the chemical analysis of chrome-bearing refractory products and raw materials.

This part of ISO 20565 specifies traditional (“wet process??) methods for the chemical analysis of chrome-bearing refractory products and raw materials. It is applicable to components within the ranges of determination given in Table 1. Table 1 — Range of determination (% by mass) Component Range SiO2 0,5 to 10 Al2O3 2 to 30 Fe2O3 0,5 to 25 TiO2 0,01 to 1 MnO 0,01 to 1 CaO 0,01 to 3 MgO 15 to 85 Na2O 0,01 to 1 K2O 0,01 to 1 Cr2O3 2 to 60 ZrO2 0,01 to 0,5 P2O5 0,01 to 5 LOI −0,5 to 5 NOTE These values are after the loss on ignition (LOI) has been taken into account.

Committee	RPI/1
DevelopmentNote	Supersedes 06/30157261 DC. (03/2009) Together with BS EN ISO 20565-1 and BS EN ISO 20565-3, it supersedes BS 1902-2.2(1974). (09/2010) Reviewed and confirmed by BSI, June 2012. (05/2012)
DocumentType	Standard
Pages	34
PublisherName	British Standards Institution
Status	Current
Supersedes	06/30157261 DC : 0 BS 1902-2.2:1974

Standards	Relationship
ISO 20565-2:2008	Identical
EN ISO 20565-2:2008	Identical

ISO 20565-1:2008	Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica
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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BS EN ISO 20565-2:2008

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) Wet chemical analysis

Table of Contents

Abstract

Scope

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International Equivalents

Standards Referencing This Book

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