BS EN ISO 12677-2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method《通过荧光分析(XRF)进行耐火制品的化学分析》.pdf
《BS EN ISO 12677-2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method《通过荧光分析(XRF)进行耐火制品的化学分析》.pdf》由会员分享,可在线阅读,更多相关《BS EN ISO 12677-2011 Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method《通过荧光分析(XRF)进行耐火制品的化学分析》.pdf(86页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS EN ISO 12677:2011Chemical analysis of refractoryproducts by X-ray fluorescence(XRF) Fused cast-beadmethod (ISO 12677:2011)Incorporating corrigendum April 2014BS EN ISO 12677:2011National forewordThis British Standard is the UK implementation of EN ISO 12677:2011. It super
2、sedes BS EN ISO 12677:2003 and BS 1902-9.1:1987, which are withdrawn.The UK participation in its preparation was entrusted to Technical Committee RPI/1, Refractory products and materials.A list of organizations represented on this committee can be obtained on request to its secretary.This publicatio
3、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 85428 6ICS 81.080Compliance with a British Standard cannot confer immunity fromle
4、gal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2011.Amendments/corrigenda issued since publicationDate Text affected30 April 2014 Correction to supersession detailsBRITISH STANDARDEUROPEAN STANDARD NORME EUROPENNE
5、EUROPISCHE NORM EN ISO 12677 October 2011 ICS 81.080 English Version Chemical analysis of refractory products by X-ray fluorescence (XRF) - Fused cast-bead method (ISO 12677:2011) Analyse chimique des matriaux rfractaires par fluorescence de rayons X - Mthode de la perle fondue (ISO 12677:2011) Chem
6、ische Analyse von feuerfesten Erzeugnissen durch Rntgenfluoreszenz-Analyse (RFA) - Schmelzaufschluss-Verfahren (ISO 12677:2011) This European Standard was approved by CEN on 10 September 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions fo
7、r 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-CENELEC Management Centre or to any CEN member. This European Standard exists in thre
8、e 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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bod
9、ies of Austria, Belgium, Bulgaria, Croatia, 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 Ki
10、ngdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12677:2011: E
11、BS EN ISO 12677:2011EN ISO 12677:2011 (E) 3 Foreword This document (EN ISO 12677:2011) 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 Sta
12、ndard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2012, and conflicting national standards shall be withdrawn at the latest by April 2012. Attention is drawn to the possibility that some of the elements of thi
13、s 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 12677:2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countri
14、es are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Sloveni
15、a, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 12677:2011 has been approved by CEN as a EN ISO 12677:2011 without any modification. BS EN ISO 12677:2011ISO 12677:2011(E) ISO 2011 All rights reserved iiiContents Page Foreword . v 1 Scope 1 2 Normative referen
16、ces 1 3 Types of material . 1 4 Principle . 2 5 Apparatus . 2 6 Sample grinding 3 7 Loss on ignition (and/or drying) 4 8 Flux . 4 8.1 Choice of flux and ratio of flux to sample . 4 8.2 Compensations for moisture in flux 5 9 Fusion casting procedures. 5 9.1 Fusion of samples and casting of beads 5 9.
17、2 Automatic bead preparation . 7 9.3 Storage . 7 9.4 Special problems . 8 10 Calibration 8 10.1 Calibration standards 8 10.2 Reagents and series reference materials (SeRMs) 8 10.3 Calibration using reagents . 10 10.4 Calibration using SeRMs 15 11 Corrections 17 11.1 Line-overlap correction . 17 11.2
18、 Background correction . 17 11.3 Drift correction . 18 11.4 Calculation of results 18 11.5 Software requirements 19 12 Reproducibility and repeatability . 20 12.1 Fusion tests . 20 12.2 Frequency of instrument tests . 20 12.3 Maximum allowance differences of sample holders . 20 12.4 Sample measuring
19、 positions . 21 12.5 Instrument repeatability 21 12.6 Sequential systems . 21 12.7 Dead time . 22 12.8 Other tests 22 12.9 Flow gas . 22 13 Accuracy determined by certified reference materials . 22 13.1 Validation of synthetic calibrations . 22 13.2 Validation of SeRM calibrations . 22 13.3 Fresh be
20、ads of the CRMs or synthetic standards used to check SeRM calibrations 22 14 Definitions of limits of detection 23 15 Test report 23 BS EN ISO 12677:2011ISO 12677:2011(E) iv ISO 2011 All rights reservedAnnex A (normative) Calibration range and required detection limits 24 Annex B (normative) Correct
21、ions for tungsten carbide grinding media .28 Annex C (informative) Examples of fluxes/flux ratios .30 Annex D (normative) Examples of CRM to be used to check synthetic calibrations 32 Annex E (normative) Examples of SeRM 38 Annex F (normative) Equation for theoretical calculations 43 Annex G (normat
22、ive) Certified reference materials (CRMs) .44 Annex H (normative) Method of inter-element correction used to compensate for the effects of co-existing components when using SeRM for calibration 47 Annex I (normative) Standard deviations achieved with certified reference materials .68 Bibliography 75
23、 BS EN ISO 12677:2011ISO 12677:2011(E) ISO 2011 All rights reserved vForeword 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 technic
24、al 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 wi
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