1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 3262-17:2000 In
2、corporating Corrigendum No. 1 The European Standard EN ISO 3262-17:2000 has the status of a British Standard ICS 87.060.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Extenders for paints Specifications and methods of test Part 17: Precipitated calcium silicateThis British
3、 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 August 2000 BSI 09-2000 ISBN 0 580 36097 0 BS EN ISO 3262-17:2000 Amendments issued since publication Amd.
4、 No. Date Comments 11071 Corrigendum No. 1 September 2000 Addition of annex ZA National foreword This British Standard is the official English language version of EN ISO 3262-17:2000. It is identical with ISO 3262-17:2000. Together with the other parts of BS EN ISO 3262, it will supersede BS 1795:19
5、76 which is declared obsolescent. The UK participation in its preparation was entrusted to Technical Committee STI/1, Pigments and extenders, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interp
6、retation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the
7、fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the B
8、SI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are respo
9、nsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. 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 to v, a bla
10、nk page, pages 1 to 11, 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.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO326217 April2000 ICS87.060.10 Englishversion ExtendersforpaintsSpecifi
11、cationsandmethodsoftestPart 17:Precipitatedcalciumsilicate(ISO326217:2000) MatiresdechargepourpeinturesScificationset mthodesdessaiPartie17:Silicatedecalciumprcipit (ISO326217:2000) AnforderungenundPrfverfahrenTeil17:Geflltes Calciumsilicat(ISO326217:2000) ThisEuropeanStandardwasapprovedbyCENon15Apr
12、il2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretaria
13、tortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbod
14、iesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassar
15、t,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO326217:2000E2egaP 0002:712623OSINE Foreword ThetextoftheInternationalStandardISO326217:2000TechnicalCommitteeISO/TC35“Paintsand varnishes“incollaborationwithTechnicalCommitteeC
16、EN/TC298“Pigmentsandextenders“,thesecretariat ofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyOctober2000,andconflictingnationalstandardsshallbewithdrawn atthelatestbyOctober2000. AccordingtotheCEN/CEN
17、ELECInternalRegulations,thenationalstandardsorganizationsof thefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom. En
18、dorsementnotice ThetextoftheInternationalStandardISO326217:2000hasbeenapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelistedinannexZA(normative). EN ISO 3262-17:2000Referencenumber ISO3262-17:2000(E) INTERNATIONAL STANDARD ISO 3262-17 First
19、edition 2000-04-15 ExtendersforpaintsSpecificationsand methodsoftest Part17: Precipitatedcalciumsilicate Matires de charge pour peintures Spcifications et mthodes dessai Partie 17: Silicate de calcium prcipit EN ISO 3262-17:2000ii EN ISO 3262-17:2000 iii Contents Page Foreword.iv 1 Scope1 2 Normativ
20、ereferences.1 3 Termanddefinition2 4 Requirementsandtestmethods.2 5 Sampling.2 6 Determinationofsilicacontent3 7 Determinationofthecompositionbyspectrometry5 8 Determinationofresidueonsieve.10 9 Testreport11 EN ISO 3262-17:2000iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwi
21、defederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,gove
22、rnmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalSt
23、andardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO3262maybethesubjectofpatent rights.ISOshallnotbeheldrespon
24、sibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO3262-17waspreparedbyTechnicalCommitteeISO/TC35, Paints and varnishes, SubcommitteeSC2, Pigments and extenders. Togetherwiththeotherparts(seebelow),thispartofISO3262cancelsandreplacesISO3262:1975,whichhas beentechnicallyrevised.Part
25、1comprisesthedefinitionofthetermextenderandanumberoftestmethodsthat areapplicabletomostextenders,whilstpart2andthefollowingpartsspecifyrequirementsand,whereappropriate, particulartestmethodsforindividualextenders. ISO3262consistsofthefollowingparts,underthegeneraltitle Extenders for paints Specifica
26、tions and methods of test: Part 1: Introduction and general test methods Part 2: Barytes (natural barium sulfate) Part 3: Blanc fixe Part 4: Whiting Part 5: Natural crystalline calcium carbonate Part 6: Precipitated calcium carbonate Part 7: Dolomite Part 8: Natural clay Part 9: Calcined clay Part 1
27、0: Natural talc/chlorite in lamellar form Part 11: Natural talc, in lamellar form, containing carbonates Part 12: Muscovite-type mica Part 13: Natural quartz (ground) EN ISO 3262-17:2000 v Part 14: Cristobalite Part 15: Vitreous silica Part 16: Aluminium hydroxides Part 17: Precipitated calcium sili
28、cate Part 18: Precipitated sodium aluminium silicate Part 19: Precipitated silica Part 20: Fumed silica Part 21: Silica sand (unground natural quartz) Part 22: Flux-calcined kieselguhr EN ISO 3262-17:2000EN ISO 3262-17:2000 1 ExtendersforpaintsSpecificationsandmethodsoftest Part17: Precipitatedcalci
29、umsilicate 1 Scope ThispartofISO3262specifiesrequirementsandcorrespondingmethodsoftestforprecipitatedcalciumsilicate. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO3262.Fordatedreferences,subsequentamendments
30、to,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO3262areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofI
31、SOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO648:1977, Laboratory glassware One-mark pipettes. ISO787-2:1981, General methods of test for pigments and extenders Part 2: Determination of matter volatile at 105 C. ISO787-5:1980, General methods of test for pigments and extender
32、s Part 5: Determination of oil absorption value. ISO787-9:1981, General methods of test for pigments and extenders Part 9: Determination of pH value of an aqueous suspension. ISO3262-1:1997, Extenders for paints Specifications and methods of test Part 1: Introduction and general test methods. ISO369
33、6:1987, Water for analytical laboratory use Specification and test methods. ISO5794-1:1994, Rubber compounding ingredients Silica, precipitated, hydrated Part 1: Non-rubber tests. ISO15528: 1) , Paints, varnishes and raw materials for paints and varnishes Sampling. 1)Tobepublished.(RevisionofISO842:
34、1984andISO1512:1991) EN ISO 3262-17:20002 3 Termanddefinition ForthepurposesofthispartofISO3262,thefollowingtermanddefinitionapply. 3.1 precipitatedcalciumsilicate amorphoussilicateprecipitatedbyreactionofsodiumsilicatesolutionwithamineralacidand/oracalciumsalt 4 Requirementsandtestmethods Forprecip
35、itatedcalciumsilicatecomplyingwiththispartofISO3262,theessentialrequirementsarespecifiedin Table1andtheconditionalrequirementsarelistedinTable2. Table1Essentialrequirements Characteristic Unit Requirement Testmethod Silicacontent,min. 75 Seeclause6or7 Oxidecontent Na 2 O 1to5 CaO %(m/m) 2to24 Seecla
36、use7 Residueon45 msieve,max. %(m/m) 2 Seeclause8 Mattervolatileat105C,max. %(m/m) 10 ISO787-2 Lossonignition %(m/m) 3to10 ISO3262-1 Oilabsorptionvalue a ,min. g/100g 80 ISO787-5 pHvalueofaqueoussuspension 8to12 ISO787-9 a AtestmethodwithhigherreproducibilityandrepeatabilityisdescribedinASTMD2414-97,
37、 Standard test method for carbon black n-Dibutyl phthalate absorption number. However, the results cannot be compared directly with oil absorption values determined in accordance withISO787-5. Table2Conditionalrequirements Characteristic Unit Requirement Testmethod Particlesizedistribution (instrume
38、ntalmethod) %(m/m) Tobeagreedbetweenthe interestedparties Lightness % Tobeagreedbetweenthe interestedparties a Specificsurfacearea m 2 /g Tobeagreedbetweenthe interestedparties ISO5794-1:1994,annexD a Testmethodinpreparation. 5 Sampling Takearepresentativesampleoftheproducttobetested,asdescribedinIS
39、O15528. EN ISO 3262-17:2000 3 6 Determinationofsilicacontent 6.1 Principle Atestportionisrepeatedlytreatedwithhydrochloricacidandevaporatedtodryness.Torenderthedehydrated silicicacidthusformedasinsolubleaspossible,itisthenheatedfor2hat(140 5)C.Anychloridespresentare removedbyextractingtheprecipitate
40、withhotdilutehydrochloricacid. Theprecipitateisignitedat1000C,givingimpuresilicondioxide,whichistreatedwithsulfuricandhydrofluoric acid.Thesilicontetrafluorideformedisevaporatedoffandthesilicacontentiscalculatedfromtheresultinglossin mass. 6.2 Reagents Useonlyreagentsofrecognizedanalyticalgradeandon
41、lywaterofatleastgrade3purityasdefinedinISO3696. 6.2.1 Hydrochloricacid,concentrated,approximately32%(m/m), 1,16g/ml. 6.2.2 Hydrochloricacid,diluted1 1. Add1partbyvolumeofconcentratedhydrochloricacid(6.2.1)to1partbyvolumeofwater. 6.2.3 Sulfuricacid,diluted1 1. Add1partbyvolumeofconcentratedsulfuricac
42、id,approximately96%(m/m), 1,84g/ml,slowlyto1partby volumeofwater. 6.2.4 Hydrofluoricacid,concentrated,approximately40%(m/m), 1,13g/ml. 6.3 Apparatus Useordinarylaboratoryapparatusandglassware,togetherwiththefollowing: 6.3.1 Dish. 6.3.2 Platinumcrucible. 6.3.3 Waterbath,capableofbeingmaintainedat100C
43、. 6.3.4 Infraredevaporator. 6.3.5 Mufflefurnace,capableofbeingmaintainedat(1000 20)C. 6.3.6 Dryingoven,capableofbeingmaintainedat(140 5)C. 6.3.7 Filterpaper. Thefilterpaperusedforfiltrationofthesilicashallbeofsuchtextureastoretainthesmallestparticlesof precipitateandneverthelesspermitrapidfiltration
44、. 2) 6.3.8 Desiccator,containingmagnesiumperchlorateasdesiccant. 2)ForexampleWhatmanNo.40orNo.41orSchleicherundSchllNo.589/2“Weiband“. EN ISO 3262-17:20004 6.4 Procedure 6.4.1 Numberofdeterminations Carryoutthedeterminationinduplicate. 6.4.2 Testportion Weigh,tothenearest0,2mg,approximately1g(m 0 )o
45、fthesample(seeclause5)intoadish(6.3.1). 6.4.3 Determination Addslowly20mlofconcentratedhydrochloricacid(6.2.1)andevaporatetodrynessundertheinfraredevaporator (6.3.4).Addagain20mlofconcentratedhydrochloricacidandevaporatetodryness.Repeatthissteponcemore. Afterthethirdevaporation,placethedishinthedryi
46、ngoven(6.3.6),maintainedat(140 5)C,andleavefor2h. Removethedishfromtheovenandallowtocool.Add50mlof1 1hydrochloricacid(6.2.2)totheresidueinthe dishandwarmitforapproximately20minonthewaterbath(6.3.3)at100C.Filterthroughasuitablefilterpaper (6.3.7)andwashtheresidueonthefilterwithhotwateruntilthewashing
47、sareneutral. Pourthefiltrateandwashingsintotheoriginaldishandevaporatetodryness.Repeatthisevaporationstepanother twotimes,addingeachtime10mlofconcentratedhydrochloricacidtotheresidue.Afterthethirdevaporation,heat at(140 5)Cfor2hinthedryingoven. Add20mlof1 1hydrochloricacidtotheresidueinthedishandwar
48、mitforapproximately10minonthewater bathat100C.Filterthroughafreshfilterpaperandwashtheresidueonthefilterwithhotwateruntilthewashings areneutral. Ifitisfeltnecessary,checkthefiltrateforanysiliconwhichmayhavepassedthroughthefilter. Placethetwofilterpaperswiththewashedprecipitatesintheplatinumcrucible(6.3.2).Dry,charatlow temperature,igniteinthemufflefurnace(6.3.5)at(1000 20)Ctoc
