1、A Referencenumbe r ISO4800:1998 (E) INTERNATIONAL STANDARD ISO 4800 Secondedition 19981215 LaboratoryglasswareSeparatingfunnels anddroppingfunnels VerreriedelaboratoireAmpoulesdcanteretampoulesintroduireISO4800:1998(E) ISO1998 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybere
2、producedorutilizedinanyformorbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationforStandardization Casepostale56 CH1211Genve20 Switzerland Internet isoiso.ch PrintedinSwitzerland ii Foreword ISO(theInternationalO
3、rganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatc
4、ommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IE
5、CDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandardISO4800wasdevelopedbyTechnicalCommitteeISO/TC48, Laboratoryglasswa
6、reand relatedapparatus ,SubcommitteeSC2, Generallaboratoryglassware(otherthanmeasuring). Thissecondeditioncancelsandreplacesthefirstedition(ISO4800:1977)byincorporatingthefollowingchanges: a) dimensionsandtoleranceshavebeenbroughtuptodate; b) materialshavebeenmodifiedaccordingtoISO3585; c) separatin
7、gfunnelstype2(pearshaped)havebeenmodified; d) separatingfunnelstype3(Gilsontype)havebeencancelled. AbibliographylistsadditionalISOstandardsforothergeneralpurposelaboratoryglassware.ISO ISO4800:1998(E) iii Introduction Separatingfunnelsareusedinlaboratoriesforliquid/liquidextractionsandtheyareintende
8、dtofacilitatethe separationintolayersoftwoimmiscibleliquidsofdifferentdensity. Droppingfunnelshaveacylindricalbodyandareusedforaddingreagentsolutionstoareactionvessel.Theyare, therefore,oftenprovidedwithagroundconeatthebottom,forjoiningtovesselswithconicalgroundnecks.INTERNATIONALSTANDARD ISO ISO480
9、0:1998(E) 1 LaboratoryglasswareSeparatingfunnelsanddropping funnels 1Scope ThisInternationalStandardspecifiesdetailsofaninternationallyacceptableseriesofglassseparatingfunnelsand droppingfunnelssuitableforgeneraluseinlaboratories. 2Normative references Thefollowingnormativedocumentscontainprovisions
10、which,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecentediti
11、onsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO383, LaboratoryglasswareInterchangeableconicalgroundjoints. ISO384, LaboratoryglasswarePrinciplesofdes
12、ignandconstructionofvolumetricglassware. ISO3585, Borosilicateglass3.3Properties. ISO4803, LaboratoryglasswareBorosilicateglasstubing. ISO4785, LaboratoryglasswareStraightboreglassstopcocksforgeneralpurposes. 3 Typesandsizes Fourtypesoffunnelsarespecified,ofthefollowingsizes: type1: separatingfunnel
13、(conical)(see7.1),nominalcapacity(inmillilitres) 501002505001000and2000; type2: separatingfunnel(pearshaped)(see7.2),nominalcapacity(inmillilitres) 501002505001000and2000; type3: droppingfunnel(cylindrical)(see7.3),nominalcapacity(inmillilitres) 50100250500and1000; type4: droppingfunnel,graduated(cy
14、lindrical)(see7.4),nominalcapacity(inmillilitres) 50100250500and1000.ISO4800:1998(E) ISO 2 Ifcapacitiesarerequiredotherthanthoselistedabove,itisrecommendedthattheyshouldbeinaccordancewith therequirementsspecifiedinthisInternationalStandard. 4Materials 4.1 Separatingfunnelsanddroppingfunnelsshallbema
15、defromborosilicateglass3.3inaccordancewith ISO3585.Internalstressandvisibledefectsintheglassshallbereducedtoalevelsufficienttominimizethe possibilityoffractureduetothermalormechanicalshock. 4.2 Stopcockkeysofseparatingfunnelsanddroppingfunnelsshallbemanufacturedfromborosilicateglass3.3in accordancew
16、ithISO3585orshallbemanufacturedfromplasticsmaterialwithsuitablechemicalandthermal characteristics,suchaspolytetrafluoroethylene.Theyshallbefittedwithasuitableretainingdevice. 5Construction 5.1 Theconstructionshallbesufficientlyrobusttowithstandnormalusage. 5.2 Droppingfunnels,suppliedwithagroundjoin
17、tfittedbelowthestopcock,shallcomplywiththerequirementsof ISO383. Droppingfunnelswithagroundjointbelowthestopcockcanbeprovidedwithapressureequalizingtubeplacedat thebackofthefunnelwhenitisinthepositionofnormalusewiththehandleofthestopcockontheright. DroppingfunnelscanbesuppliedwithaWalterdroptipseeFi
18、gure3d)toenablecontrolofthedropspeed. 5.3 Thescaleofgraduateddroppingfunnelsshallbeplacedcentrallyonthecylindricalpartofthefunnelwhenitis inthepositionofnormalusewiththehandleofthestopcockontheright(forgraduationandfiguring,seeISO384). 5.3.1 Thegraduationmarksshallbenumbered(see7.4.1) inascendingord
19、er,or inbothascendinganddescendingorder(see7.4.3). 5.3.2 Scalesshallbeprovidedwithalongitudinalreferencelinethroughthemidpointofthegraduationlinesto facilitatereadingwhenthefunnelisinaninclinedposition. NOTE Thescalesofgraduateddroppingfunnelsonlyindicateapproximatelythevolumesofliquidcontained. 6Ma
20、rking Thefollowingshallbemarkedonallseparatingfunnelsanddroppingfunnels: thenominalcapacity,exceptforgraduateddroppingfunnels; thesymbolcm 3 orthesymbolml; themakersorvendorsnameormark.ISO ISO4800:1998(E) 3 7Dimensions 7.1 Type1Separatingfunnels(conicaltype) DimensionsshallbeasshowninFigure1andgiven
21、inTable1. a k 6 series Figure1Conicalseparatingfunnel Table1Dimensionsofconicalseparatingfunnels Dimensionsinmillimetres Nominalcapacity,ml 50 100 250 500 1000 2000 Heightofbody, h 1 max. 120 145 190 230 300 350 Diameterofbody, d 1 max. 50 65 85 100 135 155 Wallthicknessofbody, smin. 1 1,2 1,5 Diame
22、terofstem a) , d 2 min. 9 10 13 Lengthofstem, h 2 max. 70 Nominalboreofstopcock b) min. 1,5 2,5 4 Sizeofstopper(seeISO383) 14/23or19/26 24/29or29/32 29/32 Lengthoftubebetweenbulb andstopcock max. 15 Wallthicknessoftubebetween bulbandstopcock min. 1,2 1,5 2 a) MediumwalledtubinginaccordancewithISO480
23、3. b) StopcocksinaccordancewithISO4785,seriesI.ISO4800:1998(E) ISO 4 7.2 Type2Separatingfunnels(pearshapedtype) DimensionsshallbeasshowninFigure2andgiveninTable2. a k 6 series Figure2Pearshapedseparatingfunnel Table2Dimensionsofpearshapedseparatingfunnels Dimensionsinmillimetres Nominalcapacity,ml 5
24、0 100 250 500 1000 2000 Heightofbody, h 1 max. 95 120 160 200 250 295 Diameterofbody, d 1 max. 53 66 87 107 134 169 Wallthicknessofbody, smin. 0,8 0,9 1,3 1,5 Diameterofstem a) , d 2 min.91 01 3 Lengthofstem, h 2 max. 100 Nominalboreofstopcock b) min. 1,5 2,5 4 Sizeofstopper(seeISO383) 14/23or19/26
25、24/29or29/32 29/32 a) MediumwalledtubinginaccordancewithISO4803. b) StopcocksinaccordancewithISO4785,seriesI.ISO ISO4800:1998(E) 5 7.3 Type3Droppingfunnels DimensionsshallbeasshowninFigure3andgiveninTable3. a k 6 series Figure3Droppingfunnels Table3Dimensionsofdroppingfunnels Dimensionsinmillimetres
26、 Nominalcapacity,ml 50 100 250 500 1000 Heightofbody, h 1 min. 120 140 210 260 330 Diameterofbody, d 1 max. 34 44 54 67 88 Wallthicknessofbody, s min. 0,8 0,9 1,3 Diameterofstem a) , d 2 min. 10 13 Lengthofstem, h 2 max. 100 Nominalboreofstopcock b) min.1,5 2,5 4 Sizeofstopper(seeISO383) 14/23or19/2
27、6 24/29or29/32 29/32 Lengthoftubebetweenbulb andstopcockmax. 15 Wallthicknessoftubebetween bulbandstopcockmin. 2 a) Mediumwalledtubing(seeISO4803). b) StopcocksinaccordancewithISO4785,seriesI.ISO4800:1998(E) ISO 6 7.4 Type4Graduateddroppingfunnels DimensionsshallbeasshowninFigure3andgiveninTable3. 7
28、.4.1Graduation SeeTable4. Table4Graduationofdroppingfunnels Valuesinmillilitres Nominalcapacity 50 100 250 500 1000 Subdividedinmillilitres 1or2 2 5 10 20 Numberedeverymillilitre 10 20 50 100 200 Lowestgraduationline 5or6 10 25 50 100 7.4.2 Totalcapacitybasedonaveragewallthickness SeeTable5. Table5T
29、otalcapacityofdroppingfunnels Nominalcapacity,ml 50 100 250 500 1000 Totalcapacity,ml 60 118 288 562 1100 Percentageabovenominal 20 18 15 13 10 7.4.3Scales SeeFigure4. Figure4ScalesforgraduateddroppingfunnelsISO ISO4800:1998(E) 7 Bibliography 1ISO383, LaboratoryglasswareInterchangeableconicalgroundj
30、oints. 2ISO384, LaboratoryglasswarePrinciplesofdesignandconstructionofvolumetricglassware. 3ISO641, LaboratoryglasswareInterchangeablesphericalgroundjoints. 4ISO1773, LaboratoryglasswareNarrowneckedboilingflasks . 5ISO3819, LaboratoryglasswareBeakers . 6ISO4142, LaboratoryglasswareTesttubesandcultur
31、etubes . 7ISO4785, LaboratoryglasswareStraightboreglassstopcocksforgeneralpurposes. 8ISO4796, LaboratoryglasswareBottles . 9ISO4797, LaboratoryglasswareFlaskswithconicalgroundjoints . 10ISO4798, LaboratoryglasswareFilterfunnels . 11ISO4799, LaboratoryglasswareCondensers. 12ISO4800, Laboratoryglasswa
32、reSeparatingfunnelsanddroppingfunnels. 13ISO4803, LaboratoryglasswareBorosilicateglasstubing. 14ISO6556 ,LaboratoryglasswareFilterflasks.ISO4800:1998(E) ISO ICS71.040.20 Descriptors:laboratoryequipment,laboratoryglassware,funnels,separatingfunnels,droppingfunnels,specifications,dimensions, marking. Pricebasedon7pages
