DIN EN ISO 11127-6-2012 Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 6 Determin.pdf

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1、April 2012 Translation by DIN-Sprachendienst.English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2

2、5.220.10!$6“1881904www.din.deDDIN EN ISO 11127-6Preparation of steel substrates before application of paints and relatedproducts Test methods for non-metallic blast-cleaning abrasives Part 6: Determination of water-soluble contaminants by conductivitymeasurement (ISO 11127-6:2011)English translation

3、 of DIN EN ISO 11127-6:2012-04Vorbereitung von Stahloberflchen vor dem Auftragen von Beschichtungsstoffen Prfverfahren fr nichtmetallische Strahlmittel Teil 6: Bestimmung der wasserlslichen Verunreinigungen durch Messung derLeitfhigkeit (ISO 11127-6:2011)Englische bersetzung von DIN EN ISO 11127-6:2

4、012-04Prparation des subjectiles dacier avant application de peintures et de produitsassimils Mthodes dessai pour abrasifs non mtalliques destins la prparation par projection Partie 6: Dtermination des contaminants solubles dans leau par conductimtrie(ISO 11127-6:2011)Traduction anglaise de DIN EN I

5、SO 11127-6:2012-04SupersedesDIN EN ISO 11127-6:1997-11www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.1003.12 DIN EN ISO 11127-6:2012-04 2 A comma is used as the decimal marker. National foreword This standard falls in the domain o

6、f Technical Committee CEN/TC 139 “Paints and varnishes” (Secretariat: DIN, Germany). It is identical with International Standard ISO 11127- which was prepared by Technical Committee ISO/TC 35/SC 12 “Preparation of steel substrates before application of paints and related The responsible German body

7、involved in its preparation was the Normenausschuss Beschichtungsstoffe und Beschichtungen (Coatings and Coating Materials Standards Committee), Working Committee NA 002-00-11 AA Strahlmittel. DIN EN ISO 11127 consists of the following parts, under the general title Preparation of steel substrates b

8、efore application of paints and related products Test methods for non-metallic blast-cleaning abrasives: Part 1: Sampling Part 2: Determination of particle size distribution Part 3: Determination of apparent density Part 4: Assessment of hardness by a glass slide test Part 5: Determination of moistu

9、re Part 6: Determination of water-soluble contaminants by conductivity measurement Part 7: Determination of water soluble chlorides The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 3696 DIN ISO 3696 ISO 11126-1 DIN EN ISO 11126-1 ISO 111

10、26-3 DIN EN ISO 11126-3 ISO 11126-4 DIN EN ISO 11126-4 ISO 11126-5 DIN EN ISO 11126-5 ISO 11126-6 DIN EN ISO 11126-6 ISO 11126-7 DIN EN ISO 11126-7 ISO 11126-8 DIN EN ISO 11126-8 ISO 11126-9 DIN EN ISO 11126-9 ISO 11126-10 DIN EN ISO 11126-10 Amendments This standard differs from DIN EN ISO 11127-6:

11、1997-11 as follows: a) the unit of conductivity millisiemens per metre (mS/m) has been replaced by microsiemens per centimetre (S/cm); b) in Annex A, the reference to ISO 11126-2 and ISO 11127-8 has been deleted; c) the standard has been brought in line with the current presentation rules. products”

12、 (Secretariat: BSI, United Kingdom). 6DIN EN ISO 11127-6:2012-04 3 Previous editions DIN EN ISO 11127-6: 1997-11 National Annex NA (informative) Bibliography DIN EN ISO 11126-1, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cl

13、eaning abrasives Part 1: General introduction and classification DIN EN ISO 11126-3, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Part 3: Copper refinery slag DIN EN ISO 11126-4, Preparation of steel substr

14、ates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Part 4: Coal furnace slag DIN EN ISO 11126-5, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Par

15、t 5: Nickel refinery slag DIN EN ISO 11126-6, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Part 6: Iron furnace slag DIN EN ISO 11126-7, Preparation of steel substrates before application of paints and rela

16、ted products Specifications for non-metallic blast-cleaning abrasives Part 7: Fused aluminium oxide DIN EN ISO 11126-8, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Part 8: Olivine sand DIN EN ISO 11126-9,

17、Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-cleaning abrasives Part 9: Staurolite DIN EN ISO 11126-10, Preparation of steel substrates before application of paints and related products Specifications for non-metallic blast-c

18、leaning abrasives Part 10: Almandite garnet DIN ISO 3696, Water for analytical laboratory use Specification and test methods DIN EN ISO 11127-6:2012-04 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 11127-6 December 2011 ICS 25.220.10 Supersedes EN ISO 11

19、127-6:1997English Version Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 6: Determination of water-soluble contaminants by conductivity measurement (ISO 11127-6:2011) Prparation des subjectiles dacier

20、avant application de peintures et de produits assimils - Mthodes dessai pour abrasifs non mtalliques destins la prparation par projection - Partie 6 : Dtermination des contaminants solubles dans leau par conductimtrie (ISO 11127-6:2011)Vorbereitung von Stahloberflchen vor dem Auftragen von Beschicht

21、ungsstoffen - Prfverfahren fr nichtmetallische Strahlmittel - Teil 6: Bestimmung der wasserlslichen Verunreinigungen durch Messung der Leitfhigkeit This European Standard was approved by CEN on 14 December 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulat

22、e 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-CENELEC Management Centre or to any CEN member. This European Stan

23、dard 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-CENELEC Management Centre has the same status as the official versions. CEN members are the nat

24、ional standards bodies 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, Switze

25、rland and United Kingdom. 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. E

26、N ISO 11127-6:2011: E(ISO 11127-6:2011) Contents DIN EN ISO 11127-6:2012-04 EN ISO 11127-6:2011 (E) 2 Page Foreword 3 1 Scope 4 2 Normative references 4 3 Reagent .4 4 Apparatus .4 5 Sampling .5 6 Procedure .5 7 Expression of results 5 8 Test report 5 Annex A (informative) International Standards fo

27、r non-metallic blast-cleaning abrasives .6 Foreword This document (EN ISO 11127-6:2011) has been prepared by Technical Committee ISO/TC 35 Paints and varnishes” in collaboration with Technical Committee CEN/TC 139 “Paints and varnishes” the secretariat of which is held by DIN. This European Standard

28、 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2012, and conflicting national standards shall be withdrawn at the latest by June 2012. Attention is drawn to the possibility that some of the elements of this docum

29、ent 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 11127-6:1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries ar

30、e 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, Slovenia, Sp

31、ain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 11127-6:2011 has been approved by CEN as a EN ISO 11127-6:2011 without any modification. “ DIN EN ISO 11127-6:2012-04 EN ISO 11127-6:2011 (E) 3 1 ScopeThis is one of a number of parts of ISO 11127 dealing with the sa

32、mpling and testing of non-metallic abrasives for blast-cleaning.The types of non-metallic abrasive and requirements on each are contained in ISO 11126.The ISO 11126 and ISO 11127 series have been drafted as a coherent set of International Standards on non-metallic blast-cleaning abrasives. Informati

33、on on all parts of both series is given in Annex A.This part of ISO 11127 specifies a method for the determination of water-soluble contaminants in non-metallic blast-cleaning abrasives by conductivity measurement.2 Normative referencesThe following referenced documents are indispensable for the app

34、lication 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 3696, Water for analytical laboratory use Specification and test methodsISO 11127-1, Preparation of steel subs

35、trates before application of paints and related products Test methods for non-metallic blast-cleaning abrasives Part 1: Sampling3 Reagent3.1 Conductivity water, of at least grade 2 purity as defined in ISO 3696.4 ApparatusOrdinary laboratory apparatus and glassware, together with the following:4.1 C

36、onductivity-measuring bridge1).4.2 Conductivity cell1).4.3 Balance, capable of weighing to an accuracy of 0,1 g.1) Any commercial conductivity bridge and conductivity cell with temperature compensation and a range of 10 S/cm to 1 000 S/cm are suitable.DIN EN ISO 11127-6:2012-04 EN ISO 11127-6:2011 (

37、E) 4 5 SamplingTake a representative sample of the product to be tested, as described in ISO 11127-1.6 Procedure6.1 Carry out the determination in duplicate.6.2 Weigh a test portion of (100 0,1) g of the sample into a 250 ml flask and add (100 1) ml of the conductivity water (3.1). Shake for 5 min a

38、nd allow to stand for 1 h. Then shake again for 5 min and allow to settle. If the liquid does not completely clear, filter it by any suitable method.6.3 Transfer sufficient of the liquid to fill the conductivity cell (4.2) of the conductivity-measuring bridge (4.1). Measure the conductivity of the s

39、olution in microsiemens per centimetre at 20 C.The conductivity bridge shall be compensated at 20 C or, alternatively, the conductivity shall be measured at 20 C.7 Expression of resultsCalculate the conductivity s, in microsiemens per centimetre, of the abrasive, using the equation s m= K20wheremis

40、the conductivity, in microsiemens per centimetre, of the solution at 20 C;K20is the cell constant of the conductivity cell at 20 C.If the duplicate determinations differ by more than 10 % (relative to the higher result), repeat the procedure described in Clause 6.Calculate the mean of two valid dete

41、rminations and report the result to the nearest 10 S/cm.8 Test reportThe test report shall contain at least the following information:a) all details necessary to identify the product tested, in accordance with the appropriate part of ISO 11126 (see Annex A), if applicable;b) a reference to this part

42、 of ISO 11127 (ISO 11127-6);c) the result of the test;d) any deviation from the test method specified;e) the date of the test;f) the name of the person who carried out the test.DIN EN ISO 11127-6:2012-04 EN ISO 11127-6:2011 (E) 5 Annex A (informative) International Standards for non-metallic blast-c

43、leaning abrasivesRequirements and test methods for non-metallic blast-cleaning abrasives are contained in ISO 11126 and ISO 11127, respectively.ISO 11126 consists of the following parts under the general title:Preparation of steel substrates before application of paints and related products Specific

44、ations for non-metallic blast-cleaning abrasives Part 1: General introduction and classification Part 3: Copper refinery slag Part 4: Coal furnace slag Part 5: Nickel refinery slag Part 6: Iron furnace slag Part 7: Fused aluminium oxide Part 8: Olivine sand Part 9: Staurolite Part 10: Almandite garn

45、etISO 11127 consists of the following parts, under the general title:Preparation of steel substrates before application of paints and related products Test methods for non-metallic blast-cleaning abrasives Part 1: Sampling Part 2: Determination of particle size distribution Part 3: Determination of apparent density Part 4: Assessment of hardness by a glass slide test Part 5: Determination of moisture Part 6: Determination of water-soluble contaminants by conductivity measurement Part 7: Determination of water-soluble chloridesDIN EN ISO 11127-6:2012-04 EN ISO 11127-6:2011 (E) 6