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    EN ISO 6744-4-2004 en Binders for paints and varnishes Alkyd resins Part 4 Determination of fatty acid content《色漆和清漆用粘合剂 醇酸树脂 第4部分 脂肪酸含量的测定 ISO 6744-4-1999》.pdf

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    EN ISO 6744-4-2004 en Binders for paints and varnishes Alkyd resins Part 4 Determination of fatty acid content《色漆和清漆用粘合剂 醇酸树脂 第4部分 脂肪酸含量的测定 ISO 6744-4-1999》.pdf

    1、BRITISH STANDARD BS EN ISO 6744-4:2004 BS 6782-16.4:2000 Incorporating Corrigendum No. 1 and A m e nd m e n t N o . 1 t o BS 6782-16.4:2000 (Amendment No. 1 renumbers BS 6782-16.4:2000 as BS EN ISO 6744-4:2004) Binders for paints and varnishes Alkyd resins Part 4: Determination of fatty acid content

    2、 The European Standard EN ISO 6744-4:2004 has the status of a British Standard ICS 87.060.20 BS EN ISO 6744-4:2004 This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and com

    3、es into effect on 15 January 2001 BSI 14 July 2004 ISBN 0 580 34300 6 National foreword This British Standard is the official English language version of EN ISO 6744-4:2004. It is identical with ISO 6744-4:1999. The UK participation in its preparation was entrusted to Technical Committee STI/3, Pain

    4、t media and related products, which has the responsibility to: A list of organizations represented on this 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

    5、 the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using 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 responsib

    6、le for its correct application. Compliance with a British Standard does not of itself confer immunity from 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 U

    7、K interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii and iii, a blank page, pages 1 to

    8、3, the Annex ZA page, 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. Date Comments 10886 Corrigendum No. 1 December 2000 Correction to identifier 15241 14 July 2004 I

    9、mplementation of the European StandardEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO67444 May2004 ICS87.060.20 Englishversion BindersforpaintsandvarnishesAlkydresinsPart4: Determinationoffattyacidcontent(ISO67444:1999) LiantspourpeinturesetvernisRsinesalkydesPartie4: Dterminationdelateneurenac

    10、idesgras(ISO6744 4:1999) BindemittelfrBeschichtungsstoffeAlkydharzeTeil4: BestimmungdesGehaltesanFettsure(ISO67444:1999) ThisEuropeanStandardwasapprovedbyCENon8April2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatu

    11、sofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation un

    12、dertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxem

    13、bourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymean

    14、sreserved worldwideforCENnationalMembers. Ref.No.ENISO67444:2004EINESO7644:42(400E) 2 Foreword ThetextofISO67444:1999hasbeenpreparedbyTechnicalCommitteeISO/TC35“Paintsand varnishes”oftheInternationalOrganizationforStandardization(ISO)andhasbeentakenover asENISO67444:2004byTechnicalCommitteeCEN/TC139

    15、“Paintsandvarnishes“,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltextorbyendorsement,atthelatestbyNovember2004,andconflictingnational standardsshallbewithdrawnatthelatestbyNovember2004. AccordingtotheCEN/CENELECInte

    16、rnalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium, Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary, Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland, Portugal,Sl

    17、ovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. Endorsementnotice ThetextofISO67444:1999hasbeenapprovedbyCENasENISO67444:2004withoutany modifications. NOTENormativereferencestoInternationalStandardsarelistedinAnnexZA(normative). ENISO67444:2004Referencenumber ISO6744-4:1999(E) INTERNATIONA

    18、L STANDARD ISO 6744-4 Firstedition 1999-12-01 BindersforpaintsandvarnishesAlkyd resins Part4: Determinationoffattyacidcontent Liants pour peintures et vernis Rsines alkydes Partie 4: Dtermination de la teneur en acide gras ENISO67444:2004ii ENISO67444:2004ISO6744-4:1999(E)iii Foreword ISO(theInterna

    19、tionalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresented

    20、onthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenint

    21、heISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO6744maybeth

    22、esubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO6744-4waspreparedbyTechnicalCommitteeISO/TC35, Paints and varnishes, SubcommitteeSC10, Test methods for binders for paints and varnishes. Togetherwiththeotherparts(seebelow),thispartof

    23、ISO6744cancelsandreplacesISO6744:1984,whichhas beentechnicallyrevised. ISO6744consistsofthefollowingparts,underthegeneraltitle Binders for paints and varnishes Alkyd resins: Part 1: General methods of test Part 2: Determination of phthalic anhydride content Part 3: Determination of unsaponifiable ma

    24、tter content Part 4: Determination of fatty acid content ENISO67444:2004blank ENISO67444:2004INTERNATIONALSTANDADR ISO-44764:(9991)E1 BindersforpaintsandvarnishesAlkydresins Part4: Determinationoffattyacidcontent 1 Scope ThispartofISO6744specifiesamethodfordeterminingthefattyacidcontentofalkydresins

    25、.Itisalwaysusedin conjunctionwithISO6744-2and-3,whichcontaintheprecedinganalysissteps. Itisnotapplicabletomodifiedalkydresins(see3.2ofISO6744-1:1999)ortoresinscontainingbenzoicacid. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovis

    26、ionsof thispartofISO6744.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO6744areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated references,th

    27、elatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO3696:1987, Water for analytical laboratory use Specification and methods of test. ISO6744-1:1999, Binders for paints and varnishes Alkyd resins Part 1: General methods

    28、 of test. ISO6744-2:1999, Binders for paints and varnishes Alkyd resins Part 2: Determination of phthalic anhydride content. ISO6744-3:1999, Binders for paints and varnishes Alkyd resins Part 3: Determination of unsaponifiable matter content. ISO15528: 1) , Paints, varnishes and raw materials for pa

    29、ints and varnishes Sampling. 3Principle Theamountoffattyacidsinanalkydresinisdeterminedbysaponificationandfiltration(ISO6744-2)andremoval ofunsaponifiablematter(ISO6744-3).Thefattyacidcontentiscalculatedfromthemassoftheresidueobtained onevaporationoftheethyletherextract. 1)Tobepublished.(RevisionofI

    30、SO842:1984andISO1512:1991) ENISO67444:2004ISO-44764:(9991)E 2 4 Reagents Duringtheanalysis,useonlyreagentsofrecognizedanalyticalgradeandonlywaterofatleastgrade3purityas definedinISO3696. 4.1 Diethylether,freefromperoxides,towhichacrystalofhydroquinonehasbeenadded. 4.2 Acetone. 4.3 Hydrochloricacid,a

    31、pproximately73gofHClperlitre. 4.4 Silvernitrate,approximately10g/lsolution. 5 Apparatus Ordinarylaboratoryapparatusandglassware,togetherwiththefollowing: 5.1 Separatingfunnel,ofcapacity250ml. 5.2 Distillationapparatus,witharotaryevaporatororwaterbath. 5.3 Vacuumdryingoven,capableofbeingmaintainedata

    32、pproximately60C. 6 Sampling Takearepresentativesampleoftheproducttobetested,asdescribedinISO15528. 7 Procedure Carryoutthedeterminationinduplicate. If,inISO6744-3,thediethylethermethodforthedeterminationoftheunsaponifiablemattercontentwasused, transfertheaqueoussolutionobtainedasdescribedinISO6744-3

    33、:1999,subclause7.2,quantitativelyintothe separatingfunnel(5.1). If,inISO6744-3,thelightpetroleummethodforthedeterminationoftheunsaponifiablemattercontentwasused, evaporatetheaqueousethanolicsolutionobtainedafterseparationoftheunsaponifiablematter,togetherwiththe alkalinewashings,untilthealcoholhasbe

    34、encompletelyremoved.Thentransferwithwaterintotheseparating funnel(5.1). Acidifythesolutionwithhydrochloricacid(4.3)andextractthreetimes,eachtimewith50mlofdiethylether(4.1). Washthecombinedetherextractswithwateruntilnochlorideionsaredetectablewithsilvernitratesolution(4.4). Thenevaporatetheetherusing

    35、asuitableapparatus(5.2),eitherunderinertgasusingadistillationapparatuswith arotaryevaporatoror,whileobservingallrequiredsafetyprecautions,overawaterbath.Ifnecessary,removeany waterpresentbyadditionofacetone(4.2)andevaporatingasdescribedabove. Drytheresidueinthevacuumdryingoven(5.3)atapproximately60C

    36、untilthedifferencebetweentheresultsof twoconsecutiveweighingsisnotgreaterthan0,1%,calculatedonthebasisofthelowervalue.Weightheresidue tothenearest1mg(m 4 ). ENISO67444:2004ISO-44764:(9991)E3 8 Expressionofresults Calculatethefattyacidcontentw F ,expressedasapercentagebymass,bytheequation w m m F 4 0

    37、 100 where m 0 isthemass,ingrams,ofthetestportion(seeISO6744-2:1999,subclause7.2); m 4 isthemass,ingrams,oftheresidue. Thefattyacidcontentshallbecalculatedonthebasisoftheresinor,forresinsolutions,onthebasisofthenon- volatilemattercontentofthesolution. 9 Testreport Thetestreportshallcontainatleastthe

    38、followinginformation: a) areferencetothispartofISO6744(ISO6744-4); b) alldetailsnecessarytoidentifytheproducttested; c) theresultofthetest,asindicatedinclause8; d) anydeviationfromthetestmethodspecified; e) thedateofthetest. ENISO67444:2004INESO7644:42(400E) 3 AnnexZA (normative) Normativereferences

    39、tointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoo

    40、rrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies(includingamendments). NOTEWhereanInternationalPublicationhasbeenmodifiedbycommonmodifications,indicated by(mod.),therele

    41、vantEN/HDapplies. Publication Year Title EN Year ISO3696 1987 Waterforanalyticallaboratoryuse Specificationandtestmethods ENISO3696 1995 ISO15528 2000 Paints,varnishesandrawmaterials forpaintsandvarnishesSampling ENISO15528 2000 ENISO67444:2004blank ENISO67444:2004BS EN ISO 6744-4:2004 BS 6782-16.4:

    42、2000 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Stan

    43、dards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while usin

    44、g this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers au

    45、tomatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI websi

    46、te at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and i

    47、nternational standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purcha


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