BS EN 14483-4-2004 Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel.pdf
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1、BRITISH STANDARD BS EN 14483-4:2004 Incorporating Corrigendum No. 1 Vitreous and porcelain enamels Determination of resistance to chemical corrosion Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel The European Standard EN 14483-4:2004 has the
2、status of a British Standard ICS 25.220.50 ? BS EN 14483-4:2004 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 7 December 2004 BSI 10 December 2004 ISBN 0 580 44980 7 National foreword This British Standard is the official English language
3、version of EN 14483-4:2004. It supersedes BS 1344-6:1971, BS 1344-15:1997 and BS 1344-17:1998 which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee STI/36, Vitreous enamel coatings, which has the responsibility to: A list of organizations represented on th
4、is committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by usin
5、g the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity fr
6、om legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the
7、 UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. D
8、ateComments 15504 Corrigendum No 1 10 December 2004Correction to supersession details 标准分享网 w w w .b z f x w .c o m 免费下载 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14483-4 June 2004 ICS 25.220.50 English version Vitreous and porcelain enamels - Determination of resistance to chemical corro
9、sion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel Emaux vitrifis - Dtermination de la rsistance la corrosion chimique - Partie 4: Dtermination de la rsistance la corrosion chimique par des liquides alcalins dans un rcipient cylindrique Em
10、ails und Emaillierungen - Bestimmung der Bestndigkeit gegen chemische Korrosion - Teil 4: Bestimmung der Bestndigkeit gegen chemische Korrosion durch alkalische Flssigkeiten unter Verwendung eines Gertes mit zylindrischem Gef This European Standard was approved by CEN on 1 April 2004. CEN members ar
11、e 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
12、the Central Secretariat 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 Central Secretariat has the same st
13、atus as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slove
14、nia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN n
15、ational Members. Ref. No. EN 14483-4:2004: E EN 14483-4:2004 (E) 2 Contents Foreword3 Introduction.4 1 Scope 6 2 Normative references6 3 Principle6 4 Reagents.6 5 Apparatus and material.7 5.1 Test apparatus : cylindrical vessel7 5.1.1 General7 5.2 Thermostatically controlled liquid bath (containing
16、demineralized or distilled water), incorporating a stirrer or other rotating device for use with one or more pieces of test apparatus. It shall be capable of being sealed against loss on evaporation and allowing temperatures up to 100 C to be kept constant to 0,1 C. .11 5.3 Thermometer, calibrated a
17、nd graduated in 0,1 C steps, for use with the thermostatically controlled liquid bath. .11 5.4 Drying oven, capable of maintaining temperatures of at least 130 C.11 5.5 Desiccator, internal diameter of at least 200 mm.11 5.6 Polypropylene bottle, of 1000 ml capacity and capable of being closed. .11
18、5.7 One-mark volumetric flask, 1000 ml capacity and conforming to the requirements of class A of ISO 104211 5.8 Funnel, of maximum diameter of 70 mm.11 5.9 Balance, accurate to 0,2 x 10-3 g11 5.10 Cotton wool11 6 Test specimens11 7 Procedure.12 8 Expression of results 13 8.1 Total loss in mass per u
19、nit area.13 8.2 Corrosion rate13 9 Hot sodium hydroxide test .14 9.1 General14 9.2 Test solution, c (NaOH) = 0,1 mol/l. .14 9.3 Test temperature14 9.4 Duration of the test14 9.5 Test report14 10 Other test solution.15 10.1 General15 10.2 Test solution.15 10.3 Test temperature15 10.4 Duration of the
20、test15 10.5 Test report15 Bibliography16 标准分享网 w w w .b z f x w .c o m 免费下载 EN 14483-4:2004 (E) 3 Foreword This document (EN 14483-4:2004) has been prepared by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings”, the secretariat of which is held by BSI. This European Standard shal
21、l be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2004, and conflicting national standards shall be withdrawn at the latest by December 2004. This document includes a Bibliography. This European Standard is divided i
22、nto the following five parts, in accordance with the different apparatus and the different physical test conditions (temperature, pressure, stirring) that are used: EN 14483 Vitreous and porcelain enamels Determination of resistance to chemical corrosion Part 1: Determination of resistance to chemic
23、al corrosion by acids at room temperature Part 2: Determination of resistance to chemical corrosion by boiling acids, neutral liquids and/or their vapours Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel Part 4: Determination of resistance to che
24、mical corrosion by alkaline liquids using a cylindrical vessel Part 5: Determination of resistance to chemical corrosion in closed systems According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard:
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