BS EN ISO 3262-21-2000 Extenders for paints - Specifications and methods of test - Silica sand (unground natural quartz)《涂料填充剂 规范和试验方法 石英砂(未磨碎天然石英)》.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 3262-21:2000 In

2、corporating Corrigendum No. 1 The European Standard EN ISO 3262-21:2000 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 21: Silica sand (unground natural quartz)This

3、 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 August 2000 BSI 09-2000 ISBN 0 580 36095 4 BS EN ISO 3262-21:2000 Amendments issued since publicat

4、ion Amd. No. Date Comments 11075 Corrigendum No. 1 September 2000 Addition of annex ZA page National foreword This British Standard is the official English language version of EN ISO 3262-21:2000. It is identical with ISO 3262-21:2000. Together with the other parts of BS EN ISO 3262, it will superse

5、de BS 1795:1976 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

6、on the interpretation, 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

7、drawn to the 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 f

8、ound in the BSI 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 Standa

9、rds are responsible 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 i

10、i to iv, pages 1 to 4, the annex ZA page and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO326221 April2000 ICS87.060.10 Englishversion ExtendersforpaintsSpecificationsandmethodsoftest

11、Part 21:Silicasand(ungroundnaturalquartz)(ISO3262:2000) MatiresdechargepourpeinturesSpcificationset mthodesdessaiPartie21:Sabledesilice(quartznaturel nonbroy(ISO326221:2000) FllstoffefrBeschichtungsstoffeAnforderungenund PrfverfahrenTeil21:Quarzsand(ungemahlener natrlicherQuarz)(ISO326221:2000) This

12、EuropeanStandardwasapprovedbyCENon15April2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobta

13、inedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial version

14、s. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFR

15、NORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO326221:2000EForeword Thetext oftheInternationalStandar d ISO326221:2000has beenpreparedbyTechnical CommitteeISO/TC 35“Paintsandvarnishes“

16、incollaborationwit h TechnicalCommitteeCEN/TC298“Pigmentsandextenders“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical text orby endorsement,a t thelatestby October2000 , andconflictin g nationalstandards shallbewithdra

17、wn atthelatestbyOctober2000. AccordingtotheCEN/CENELE C InternalRegulations,thenationalstandardsorganizations ofthefollowing countriesareboundtoimplementthisEuropea nStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Port

18、ugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO326221:2000hasbeenapprovedbyCENasaEuropean Standardwithoutanymodification. NOTE:NormativereferencestoInternationalStandardsarelistedinannexZA(normative). EN ISO 3262-21:2000Referencenumber ISO326

19、2-21:2000(E) INTERNATIONAL STANDARD ISO 3262-21 Firstedition 2000-04-15 ExtendersforpaintsSpecificationsand methodsoftest Part21: Silicasand(ungroundnaturalquartz) Matires de charge pour peintures Spcifications et mthodes dessai Partie 21: Sable de silice (quartz naturel non broy) EN ISO 3262-21:200

20、0ii EN ISO 3262-21:2000 iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcom

21、mitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. International

22、StandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibi

23、litythatsomeoftheelementsofthispartofISO3262maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO3262-21waspreparedbyTechnicalCommitteeISO/TC35, Paints and varnishes, SubcommitteeSC2, Pigments and extenders. Togetherwiththeotherpa

24、rts(seebelow),thispartofISO3262cancelsandreplacesISO3262:1975,whichhas beentechnicallyrevised.Part1comprisesthedefinitionofthetermextenderandanumberoftestmethodsthat areapplicabletomostextenders,whilstpart2andthefollowingpartsspecifyrequirementsand,whereappropriate, particulartestmethodsforindividua

25、lextenders. ISO3262consistsofthefollowingparts,underthegeneraltitle Extenders for paints Specifications 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:

26、 Precipitated calcium carbonate Part 7: Dolomite Part 8: Natural clay Part 9: Calcined clay Part 10: 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 3262-21:2000iv Part 14: Cris

27、tobalite Part 15: Vitreous silica Part 16: Aluminium hydroxides Part 17: Precipitated calcium silicate 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 3262-21:20

28、00 1 ExtendersforpaintsSpecificationsandmethodsoftest Part21: Silicasand(ungroundnaturalquartz) 1 Scope ThispartofISO3262specifiesrequirementsandcorrespondingmethodsoftestforsilicasand(ungroundnatural quartz). 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenc

29、einthistext,constituteprovisionsof thispartofISO3262.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO3262areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbe

30、low.Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO787-2:1981, General methods of test for pigments and extenders Part 2: Determination of matter volatile at 105 C. ISO787-3: 1) , General me

31、thods of test for pigments and extenders Part 3: Determination of matter soluble in water Hot extraction method. ISO787-7: 2) , General methods of test for pigments and extenders Part 7: Determination of residue on sieve Water method Manual procedure. ISO787-9:1981, General methods of test for pigme

32、nts and extenders Part 9: Determination of pH value of an aqueous suspension. ISO787-14:1973, General methods of test for pigments Part 14: Determination of resistivity of aqueous extract. ISO3262-1:1997, Extenders for paints Specifications and methods of test Part 1: Introduction and general test m

33、ethods. ISO3696:1987, Water for analytical laboratory use Specification and test methods. ISO3819:1985, Laboratory glassware Beakers. ISO15528: 3) , Paints, varnishes and raw materials for paints and varnishes Sampling. 1)Tobepublished.(RevisionofISO787-3:1979) 2)Tobepublished.(RevisionofISO787-7:19

34、81) 3)Tobepublished.(RevisionofISO842:1984andISO1512:1991) EN ISO 3262-21:20002 3 Termanddefinition ForthepurposesofthispartofISO3262,thefollowingtermanddefinitionapply: 3.1 silicasand materialconsistingofungroundnaturalquartz 4 Requirementsandtestmethods ForsilicasandcomplyingwiththispartofISO3262,

35、theessentialrequirementsarespecifiedinTable1andthe conditionalrequirementsarelistedinTable2. Table1Essentialrequirements Requirement Characteristic Unit GradeA GradeB Testmethod Quartzcontent,min. 99 80 X-raydiffraction Silicacontent.min. %(m/m) 97 80 X-rayfluorescenceorclause6 Mattervolatileat105C,

36、max. %(m/m) 0,5 ISO787-2 Lossonignition,max. %(m/m) 0,4 2,5 ISO3262-1 pHvalueofaqueoussuspension 6,5to8,5 7to9 ISO787-9 Mattersolubleinwater,max. %(m/m) 0,2 0,6 ISO787-3 Table2Conditionalrequirements Characteristic Unit Requirement Testmethod Residueonsieve %(m/m) ISO787-7 Colour ISO3262-1 Lightness

37、 % Tobeagreedbetweentheinterestedparties a Resistivityofaqueousextract m Tobeagreed betweenthe interestedparties ISO787-14 a Testmethodinpreparation. 5 Sampling Takearepresentativesampleoftheproducttobetested,asdescribedinISO15528. 6 Determinationofsilicacontent 6.1 Principle Atestportionisignited,w

38、eighedandtreatedwithsulfuricacidandhydrofluoricacid.Thesilicontetrafluoridethus formedisevaporatedoffandthesilicacontentiscalculatedfromtheresultinglossinmass. Asthesilicacontentisveryhigh,apreviousseparationfromtheimpuritiesisnotrequired. EN ISO 3262-21:2000 3 6.2 Reagents Useonlyreagentsofrecogniz

39、edanalyticalgradeandonlywaterofatleastgrade3purityasdefinedinISO3696. 6.2.1 Sulfuricacid,diluted1+1. Add1partbyvolumeofconcentratedsulfuricacid,approximately96%(m/m), 1,84g/ml,slowlyto1partby volumeofwater. 6.2.2 Hydrofluoricacid,concentrated,approximately40%(m/m), 1,13g/ml. 6.3 Apparatus Useordinar

40、ylaboratoryapparatusandglassware,togetherwiththefollowing: 6.3.1 Platinumdish. 6.3.2 Mufflefurnace,capableofbeingmaintainedat(1000 20)C. 6.3.3 Hotplate. 6.3.4 Desiccator,containingphosphoruspentoxideasdesiccant. 6.4 Procedure 6.4.1 Numberofdeterminations Carryoutthedeterminationinduplicate. 6.4.2 Te

41、stportion Weigh,tothenearest1mg,approximately2g(m 0 )ofthesample(seeclause5),previouslydriedat105Cin accordancewithISO787-2,intothetaredplatinumdish(6.3.1). 6.4.3 Determination Ignitethetestportiontoconstantmassinthemufflefurnace(6.3.2)at(1000 20)C(thisshouldtake approximately2h)andallowtocoolinthed

42、esiccator(6.3.4).Weighthetestportionagain(m 1 ). Addapproximately1mlofsulfuricacid(6.2.1).Heattheplatinumdishgentlyuntilfumingceasesandthencontinue heatingat900Cfor15mininthemufflefurnace.Removefromthefurnace,allowtocoolinthedessiccatorand weigh(m 2 ). Addtotheresidueintheplatinumdish15mlofhydrofluo

43、ricacid(6.2.2)and1mlofsulfuricacid(6.1.1)and evaporatetoasyrup,takingcaretoavoidlossbyspitting.Allowtocoolandwashthesidesdownwithsmall quantitiesofwater.Thenaddafurther10mlofhydrofluoricacidandevaporatetodryness. Heattheresidueonahot-plate(6.3.3)untilwhitefumesarenolongerevolved,thenignitefor15minin

44、themuffle furnaceat900C.Removefromthefurnace,allowtocoolinthedesiccatorandweigh(m 3 ). EN ISO 3262-21:20004 6.5 Expressionofresults Calculatethesilicacontentw(SiO 2 ),expressedasapercentagebymass,usingtheequation w mm m (SiO)= () 100 2 23 1 where m 1 isthemass,ingrams,oftheignitedresidue; m 2 isthem

45、ass,ingrams,aftertreatmentwithsulfuricacidandignition. m 3 isthemass,ingrams,aftertreatmentwithhydrofluoricacidandignition. Calculatethemeanofthetwodeterminationsandreporttheresulttothenearest0,1%. 6.6 Precision Noprecisiondataarecurrentlyavailable. 7 Testreport Thetestreportshallcontainatleastthefo

46、llowinginformation: a) alldetailsnecessarytoidentifytheproducttested; b) areferencetothispartofISO3262(ISO3262-21); c) theresultsofthetestsandwhetherornottheproductcomplieswiththerelevantspecificationlimits; d) anydeviationfromthetestmethodsspecified; e) thedatesofthetests. EN ISO 3262-21:2000AnnexZ

47、A (normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesar ecitedatth eappropriateplacesin thetextan dthepublicationsar elisted hereafter.Fo r datedreferences , subsequentamendments too r revisionso f anyo f thesepublications apply tothis EuropeanStandardonly whenincorporate d initby amendmento r revision.Forundate d references thelatesteditionofthepublicationreferredtoapplies. Publication Year Title EN Year ISO7872 1981

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