ISO INTERNATIONAL STANDARD 21587-1 First edition 2007-03-01 Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 1: Apparatus,reagents,dissolution and gravimetricsilica Analysechimiquedesproduits refractaires d'aluminosilicates(methode alternativea lamethodeparfluorescencederayonsX) Partie 1: Appareillage, reactifs, dissolution et teneur en silice par gravimetrie Referencenumber ISO 21587-1:2007(E) ISO2007 fromIHS Not for Resal ISO21587-1:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer perfoming the editing. In accepts no liability in this area. Adobe isatrademarkofAdobeSystems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. IS2007 electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax+41227490947 [email protected] Webwww.iso.org Published in Switzerland Copyright Iintemational Organizafion for Standardizafion IsO2007-Allrightsreserved byIHSund Not for Resale ISO21587-1:2007(E) Contents Page Foreword. 1 2 Normativereferences 2 3 Reagents...... 4 Dlssolutlon and gravlmetrlc s.lca .. aton'ghtsreserved ii byIHSun hout licensefrom IHS NotforRet ISO21587-1:2007(E) Foreword ISO(the International OrganizationforStandardization)is a worldwidefederationof national standardsbodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen IntemationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredrafted inaccordancewiththerulesgiven intheISO/lECDirectives,Part2. adopted by thetechnical committees are circulated to the memberbodies for voting.Publication as an IntermationalStandardrequiresapproval byatleast75%of thememberbodiescastingavote. rights.IsO shallnotbeheldresponsiblefor identifyinganyorall suchpatent rights. -Part 1:Apparatus,reagents,dissolutionandgravimetric silica Part2:Wetchemicalanalysis isO2007-Allrightsreserved ISO 21587-1:2007(E) INTERNATIONALSTANDARD Chemicalanalysisofaluminosilicaterefractoryproducts (alternativeto the X-rayfluorescence method) Part 1: Apparatus, reagents, dissolution and gravimetric silica 1 Scope This partof Iso21587 specifies reagents,dissolution and gravimetricsilica analysisforthe chemicalanalysis ofaluminosilicate refractoryproducts and rawmaterials. Thispart of ISO21587givesalternatives to theX-ray fluorescence (XRF)methodgiven in ISO 12677:2003, Chemical analysisofrefractoryproductsbyXRF-Fusedcastbeadmethod. Thispartof IsO21587shouldbeused in conjunctionwithISO21587-2andISo21587-3,whichgive the analytical proceduresfor the determination of thefollowing: silicon(IV) oxide (SiO2) aluminium oxide (Al203) iron(ll)oxide (total ironoxidecalculatedasFe2O3) titanium(IV) oxide (TiO2) manganese(I) oxide (MnO) calcium oxide (CaO) magnesiumoxide (MgO) sodium oxide (Na20) potassium oxide (K20) chromium(l) oxide (Cr203) ( phosphorous(V) oxide (P20s) aonghtsreserved fromIHS NotforRe ISO21587-1:2007(E) 2 Normativereferences Thefollowing referenced documents are indispensablefor the application of this document. For dated references, only the edition cited applies.For undated references,the latest edition of the referenced IsO21587-2, Chemical analysis of aluminosilicate refractory products (altermative to the X-ray fluorescence method)-Part2:Wetchemicalanalysis IsO21587-3,Chemical analysis of aluminosilicate refractoryproducts(altema