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    BS EN ISO 14680-1-2000 Paints and varnishes - Determination of pigment content - Centrifuge method《涂料和清漆 颜料含量的测定 离心法》.pdf

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    BS EN ISO 14680-1-2000 Paints and varnishes - Determination of pigment content - Centrifuge method《涂料和清漆 颜料含量的测定 离心法》.pdf

    1、BRITISH STANDARD BS EN ISO 14680-1:2006 BS 3900-A26:2006 Incorporating amendment no. 1 to BS 3900-A26:2000 (renumbers the BS as BS EN ISO 14680-1:2006) Paints and varnishes Determination of pigment content Part 1: Centrifuge method The European Standard EN ISO 14680-1:2006 has the status of a Britis

    2、h Standard ICS 87.060.10 BS EN ISO 14680-1:2006 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 comes into effect on 15 July 2000 BSI 2007 ISBN 0 580 36143 8 National

    3、 foreword This British Standard was published by BSI. It is the UK implementation of EN ISO 14680-1:2006. It is identical with ISO 14680-1:2000. The UK participation in its preparation was entrusted to Technical Committee STI/10, Test methods for paints. A list of organizations represented on STI/10

    4、 can be obtained on request to its secretary. 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 cannot confer immunity from legal obligations. Amendments issued since publicat

    5、ion Amd. No. Date Comments 16873 28 February 2007 Renumbers the BS as BS EN ISO 14680-1:2006EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO146801 February2006 ICS87.060.10 EnglishVersion PaintsandvarnishesDeterminationofpigmentcontentPart 1:Centrifugemethod(ISO146801:2000) PeinturesetvernisDter

    6、minationdelateneurenpigment Partie1:Mthodeparcentrifugation(ISO146801:2000) BeschichtungsstoffeBestimmungdesPigmentgehaltes Teil1:Zentrifugenverfahren(ISO146801:2000) ThisEuropeanStandardwasapprovedbyCENon16January2006. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethe

    7、conditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Germ

    8、an).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece

    9、,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Romania, Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050

    10、Brussels 2006CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO146801:2006:E Foreword According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries Finland, France, Germany, Greece, Hungary, Icel

    11、and, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice EN ISO 14680-1:2006 The text of ISO 14680-1:2000 has been prepared by Technical Committee ISO/TC 35 “Paints

    12、and varnishes” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 14680-1:2006 by Technical Committee CEN/TC 139 “Paints and varnishes“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either

    13、 by publication of an identical text or by endorsement, at the latest by August 2006, and conflicting national standards shall be withdrawn at the latest by August 2006. are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, The text of ISO 14680-1

    14、:2000 has been approved by CEN as EN ISO 14680-1:2006 without any modifications.Referencenumber ISO14680-1:2000(E) INTERNATIONAL STANDARD ISO 14680-1 Firstedition 2000-04-01 PaintsandvarnishesDeterminationof pigmentcontent Part1: Centrifugemethod Peintures et vernis Dtermination de la teneur en pigm

    15、ent Partie 1: Mthode par centrifugation EN ISO 14680-1:2006ii iii Contents 1 Scope1 2 Normativereferences1 3 Termanddefinition.1 4 Principle2 5 Apparatus.2 6 Sampling.2 7 Procedure.2 8 Expressionofresults3 9 Precision.3 10 Testreport4 EN ISO 14680-1:2006iv Foreword ISO(theInternationalOrganizationfo

    16、rStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Inte

    17、rnationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,

    18、Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO14680maybethesubjectof patentri

    19、ghts.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO14680-1waspreparedbyTechnicalCommitteeISO/TC35, Paints and varnishes, SubcommitteeSC9, General test methods for paints and varnishes. ISO14680consistsofthefollowingparts,underthegeneraltitle Paints and v

    20、arnishes Determination of pigment content: Part 1: Centrifuge method Part 2: Ashing method Part 3: Filtration method EN ISO 14680-1:2006 1 PaintsandvarnishesDeterminationofpigmentcontent Part1: Centrifugemethod 1 Scope ThispartofISO14680isoneofaseriesofstandardsdealingwiththesamplingandtestingofpain

    21、ts,varnishes andrelatedproducts. Itspecifiesamethodfordeterminingthepigmentcontentofpaintsinwhichthesolidsaresedimentedby centrifugation. Itisprimarilyintendedforcheckingthecompositionduringtheproductionofcoatingmaterialsandasan acceptancecheckforthecoatingmaterialuser.Difficultiesmaybeencounteredwh

    22、enthemethodisappliedto coatingmaterialscontainingdyestuffs,carbonblack,veryfinelydividedsilicondioxideorveryfinelydivided titaniumdioxide.Itmaynotbesuitableforemulsionpaints. Thepigmentcontentofcoatingmaterialscanalsobedeterminedbyanashingmethod(seeISO14680-2)orbya filtrationmethod(seeISO14680-3). 2

    23、 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO14680.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO14680areencouragedto

    24、investigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO1513:1992, Paints and varnishes Examination and

    25、preparation of samples for testing. ISO15528: 1) , Paints, varnishes and raw materials for paints and varnishes Sampling. 3 Termanddefinition ForthepurposesofthispartofISO14680,thefollowingtermanddefinitionapply. 3.1 pigmentcontent,determinedbythecentrifugemethod theproportionbymassofsolidparticlesi

    26、ntheproductundertestwhichisinsolubleinthesolventusedfor separationunderthespecifiedconditions NOTE Itincludespigments,extendersandothersolidconstituentsoftheproduct. 1)Tobepublished.(RevisionofISO842:1984andISO1512:1991) EN ISO 14680-1:20062 4Principle Afterdilutingatestportionoftheproductundertestw

    27、ithsolvent,thesolidparticlesareseparatedoffbycentrifuge, driedandweighed.Thepigmentcontentisthencalculatedfromthemassofthesolidscomponentandthatofthe testportion. 5 Apparatus Ordinarylaboratoryapparatusandglassware,togetherwiththefollowing: 5.1 Laboratorycentrifuge,withanoperatingspeedsufficienttoen

    28、surethatthepigmentseparatesfromthe binderandarelativecentrifugalaccelerationofabout250000(equivalentto25000g).Itshallbefittedwith balancedswivellingbucketswhichcanaccommodatesuitabletubesofe.g.50mlcapacity. 5.2 Centrifugetubes,withacapacityofe.g.50ml.Thesemaybemadeofstainlesssteel,thick-walledglass,

    29、 PTFEorothersuitableinertmaterial. 5.3 Polished-ballstirrer,consistingofashaftoflengthabout150mmanddiameterabout5mmhaving,onone end,aballofdiameterabout12mm.Thestirrershallbemadeofasuitablematerialsuchasstainlesssteelor glass. 5.4 Dryingoven,withforcedventilation,capableofbeingmaintainedat(125 2)C.T

    30、heairflowshallbe horizontal. WARNINGAtthetemperatureused,organicsolventcanformexplosivemixtureswithair.Itistherefore importantthatthesolventvapourconcentrationintheovenisnotallowedtoexceedavalueatwhichan explosioncouldoccur. Forrefereetests,ovensofthesamedesignshallbeusedbyallparties. 5.5 Analytical

    31、balance,capableofweighingto0,001g. 5.6 Desiccator. 6 Sampling Takearepresentativesampleoftheproducttobetested,asdescribedinISO15528. Examineandprepareeachsamplefortesting,asdescribedinISO1513. 7 Procedure Carryoutthetestinduplicate. Weighaclean,drycentrifugetube(5.2)(m 0 )tothenearest0,01g.Intothisc

    32、entrifugetubeweighoutaccuratelyto thenearest0,01gtheamountofsample(m 1 )indicatedinTable1.Selectasuitablesolventorsolventmixturefor thecoatingmaterialwithaslowaboilingpointaspossibleandaddtheamountindicatedinthetable.Forexample, forsolvent-solublepaintsusexylene,forwater-dilutablepaintsusebutylglyco

    33、l.Stirthesamplewiththeballstirrer (5.3)untilthebinderhasdissolvedinthesolvent.Thenrinseanyresidueadheringtothestirrerquantitativelyinto thecentrifugetubeusingthesamesolvent,ensuringthatthetubeisfillednotmorethanfour-fifthsfull.Centrifuge untilthesolidparticleshavesedimentedoutandthesupernatantbinder

    34、solutionisnearlyclear(thiswillusually takeabout20min). NOTE Itisnotalwayspossibletogetthesupernatantsolutionclearasthisdependsonthepigmentandthebindersystem. Difficultiesmaybeencounteredwithcoatingmaterialscontainingdyestuffs,carbonblack,veryfinelydividedsilicondioxideor veryfinelydividedtitaniumdio

    35、xide. EN ISO 14680-1:2006 3 Afterdecantingthesupernatantsolution,resuspendthesolidparticlesatthebottomofthecentrifugetubeinthe samesolventasusedinthefirstcentrifugingoperation.Makeuptothemarkandcentrifugeforafurther20min, andthenproceedasforthefirstcentrifugingoperation.Repeatthisprocedureathirdand,

    36、ifnecessary,afourth time. Afterthefinalcentrifugingoperation,drythetubecontainingthesedimentedsolidsat(125 2)Ctoconstant massinthedryingoven(5.4).Cooltoroomtemperatureinthedesiccator(5.6)andweighthetubecontainingthe residuetothenearest0,01g(m 2 ). Table1Testportionmassesandsolventvolumes Volumeofcen

    37、trifugetube ml Massoftestportion g Approximatevolumeofsolvent ml 50 10 0,2 20 100 15 0,3 40 8 Expressionofresults Calculatethepigmentcontentasapercentagebymassusingthefollowingequation: Pigmentcontent= mm mm 20 10 100 where m 0 isthemass,ingrams,ofthecentrifugetube; m 1 isthemass,ingrams,ofthetestpo

    38、rtionandcentrifugetube; m 2 isthemass,ingrams,oftheresidueandcentrifugetube. Ifthetworesults(duplicates)differbymorethan2%(relativetothemean),repeattheproceduredescribedin clause7. Calculatethemeanoftwovalidresults(replicates)andreportthetestresulttothenearest0,1%bymass. 9 Precision 9.1 General Thep

    39、recisionofthemethoddependsonthepigmentcontentoftheproductundertest.Thefollowingvaluesapply toapigmentcontentofabout30%. 9.2 Repeatability,r Thevaluebelowwhichtheabsolutedifferencebetweentwosingletestresults,eachthemeanofduplicates, obtainedonidenticalmaterialbyoneoperatorinonelaboratorywithinashorti

    40、ntervaloftimeusingthe standardizedtestmethodmaybeexpectedtoliewitha95%probabilityis2%. EN ISO 14680-1:20064 9.3 Reproducibility,R Thevaluebelowwhichtheabsolutedifferencebetweentwotestresults,eachthemeanofduplicates,obtainedon identicalmaterialbyoperatorsindifferentlaboratoriesusingthestandardizedtes

    41、tmethodmaybeexpectedtolie witha95%probabilityis4%. 10Testreport Thetestreportshallcontainatleastthefollowinginformation: a) alldetailsnecessarytoidentifytheproducttested; b) areferencetothispartofISO14680(ISO14680-1); c) thesolventorsolventmixtureused; d) theresultofthetestasindicatedinclause8,inclu

    42、dingtheindividualvaluesandthemeanvalue; e) anydeviationfromthetestmethodspecified; f) thedateofthetest. EN ISO 14680-1:2006blankBS EN ISO 14680-1:2006 BS 3900-A26:2006 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for prep

    43、aring British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editio

    44、ns. 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 using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the insi

    45、de 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 automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publicatio

    46、ns 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 website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that

    47、have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are a

    48、lso 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 purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Informat


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