EN ISO 10058-2:2008

SLOVENSKI STANDARD
01-marec-2009
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SIST EN ISO 10058:1998
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Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray
fluorescence method) - Part 2: Wet chemical analysis (ISO 10058-2:2008)
Chemische Analyse von feuerfesten Erzeugnissen aus Magnesit und Dolomit
(Alternative zur Röntgenfluoreszenzanalyse) - Teil 2: Nasschemische Analyse (ISO
10058-2:2008)
Analyse chimique des produits de magnésie et de dolomie (méthode alternative a la
méthode par fluorescence de rayons X) - Partie 2: Méthodes d'analyse chimique par voie
humide(ISO 10058-2:2008)
Ta slovenski standard je istoveten z: EN ISO 10058-2:2008
ICS:
71.040.40 Kemijska analiza Chemical analysis
73.080 Nekovinske rudnine Non-metalliferous minerals
81.080 Ognjevzdržni materiali Refractories
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 10058-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2008
ICS 73.080 Supersedes EN ISO 10058:1996
English Version
Chemical analysis of magnesite and dolomite refractory
products (alternative to the X-ray fluorescence method) - Part 2:
Wet chemical analysis (ISO 10058-2:2008)
Analyse chimique des produits de magnésie et de dolomie Chemische Analyse von feuerfesten Erzeugnissen aus
(méthode alternative à la méthode par fluorescence de Magnesit und Dolomit (Alternative zur
rayons X) - Partie 2: Méthodes d'analyse chimique par voie Röntgenfluoreszenzanalyse) - Teil 2: Nasschemische
humide (ISO 10058-2:2008) Analyse (ISO 10058-2:2008)
This European Standard was approved by CEN on 1 November 2008.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10058-2:2008: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
This document (EN ISO 10058-2:2008) has been prepared by Technical Committee ISO/TC 33 "Refractories"
in collaboration with Technical Committee CEN/TC 187 “Refractory products and materials” the secretariat of
which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by June 2009, and conflicting national standards shall be withdrawn at
the latest by June 2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 10058:1996.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 10058-2:2008 has been approved by CEN as a EN ISO 10058-2:2008 without any
modification.
INTERNATIONAL ISO
STANDARD 10058-2
First edition
2008-12-01
Chemical analysis of magnesite and
dolomite refractory products (alternative
to the X-ray fluorescence method) —
Part 2:
Wet chemical analysis
Analyse chimique des produits de magnésie et de dolomie (méthode
alternative à la méthode par fluorescence de rayons X) —
Partie 2: Méthodes d'analyse chimique par voie humide

Reference number
ISO 10058-2:2008(E)
©
ISO 2008
ISO 10058-2:2008(E)
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ii © ISO 2008 – All rights reserved

ISO 10058-2:2008(E)
Contents Page
Foreword .iv
1 Scope.1
2 Normative references.1
3 Determination of silicon(IV) oxide .2
4 Determination of aluminium oxide .4
5 Determination of iron(III) oxide .6
6 Determination of titanium(IV) oxide.7
7 Determination of manganese(II) oxide .8
8 Determination of calcium oxide .9
9 Determination of magnesium oxide .10
10 Determination of sodium oxide by flame photometry .11
11 Determination of potassium oxide by flame spectrophotometry.13
12 Determination of chromium(III) oxide.14
13 Determination of zirconium oxide by xylenol orange absorption spectroscopy .17
14 Determination of phosphorus(V) oxide by molybdenum blue method .18
15 Test report.19

ISO 10058-2:2008(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 10058-2 was prepared by Technical Committee ISO/TC 33, Refractories.
This first edition of ISO 10058-2, together with ISO 10058-1 and ISO 10058-3, cancels and replaces
ISO 10058:1992 which has been technically revised to include the increasing use of flame atomic absorption
spectrophotometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods
as well some improvements in the wet chemical analyses procedures developed in Japan.
ISO 10058 consists of the following parts, under the general title Chemical analysis of magnesite and dolomite
refractory products (alternative to the X-ray fluorescence method):
⎯ Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica
⎯ Part 2: Wet chemical analysis
⎯ Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma atomic
emission spectrometry (ICP-AES)

iv © ISO 2008 – All rights reserved

INTERNATIONAL STANDARD ISO 10058-2:2008(E)

Chemical analysis of magnesite and dolomite refractory
products (alternative to the X-ray fluorescence method) —
Part 2:
Wet chemical analysis
1 Scope
This part of ISO 10058 specifies traditional (“wet process”) methods for the chemical analysis of magnesite
and dolomite refractory products and raw materials.
It is applicable to components within the ranges of determination given in Table 1.
Table 1 — Range of determination (percentage by mass)
Component Range Component Range
SiO 0,1 to 10 MgO 30 to 99,9
Al O 0,05 to 10 Na O 0,01 to 1
2 3 2
Fe O 0,01 to 10 K O 0,01 to 1
2 3 2
TiO 0,01 to 1 Cr O 0,01 to 3
2 2 3
MnO 0,01 to 1 ZrO 0,01 to 1
CaO 0,01 to 60 P O 0,01 to 5
2 5
LOI 0,01 to 60 — —
NOTE These values are after the loss on ignition (LOI) has been taken into account.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 10058-1:2008, Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray
fluorescence method) — Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica
ISO 10058-3:2008, Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray
fluorescence method) — Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled
atomic plasma emission spectrometry (ICP-AES)
ISO 26845, 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 10058-2:2008(E)
3 Determination of silicon(IV) oxide
3.1 General
The determination of silicon(IV) oxide is carried out using one of the following methods.
a) Combined use of the dehydration or the coagulation and molybdenum blue methods
This method is applied to samples consisting of more than 4 % by mass of silicon(IV) oxide (see 3.2).
b) Molybdenum blue method
This method is applied to samples consisting of less than 10 % by mass of silicon(IV) oxide (see 3.3).
3.2 Combined use of the coagulation and molybdenum blue methods
3.2.1 Principle
An aliquot portion of the stock solution (S1) (see ISO 10058-1:2008, Annex A), after pH adjustment, is treated
with ammonium molybdate and the silicomolybdate is reduced to yield molybdenum blue, the absorbance of
which is measured.
The sum of this residual silicon(IV) oxide in solution plus the mass of silicon (IV) oxide (m − m ) calculated in
1 2
accordance with ISO 10058-1:2008, 8.2.2.3.3, gives the total sil
...