BS EN 12672-2000实验室玻璃和塑料器皿.英霍夫锥形沉淀杯

STD.BSIBSENL2672-ENGL2000EI162466708764531'32mIJKl'ïlSHSïANUMUBSEN12672:ZOOOChemicalsusedfortreatmentofwaterintendedforhumanconsumption-PotassiumPermanganateTheEuropeanstandasdEN12672:2000hasthestatusofaBritishStandardICs71.100.80NOCOPií2WH0UTBSIPERMISSIONEXCEPTAsPERMITTEDBYCOPYBIGmLAWCopyrightEuropeanCommitteeforStandardizationProvidedbyIHSunderlicensewithCENNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--```,-`-`,,`,,`,`,,`---STD-BSIBSEN12672-ENGL2000mLbZLibbî0876454979BSEN12672:2000NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12672:Zûûû.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeCW59,Chemicalsfordrhkingwatertreatment,whichhastheresponsibilityto:-aidenquiremtoundelstandthetee-presenttotheresponsibleEuropeancommitteeanyenquiriesonthe-monitorrelatedinternationalandEuropeandevelopmentsandpromulgateinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;themintheUK.ThisBritishStandard,havingbeenpreparedunderthedirectionoftheSectorCommitteeforMateriaisandChemicals,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton16OctoberZOO0Alistoforganizationsrepresentedonthiscorrunitteecanbeobtainedonrequesttoitssecretary.TheUnitedKingdomvotedagainsttheacceptanceofthisstandardattheCENFormaiVotestagebacauseoftheintroductionofanotein6.2.2.1.1indicatingthatanaltemativemethodcanbeusedforthedeterminationofmanganesedioxide.TheBSIcommitteerecommendsthatoniythemethoddescribedindetailwithinthisstandardbeusedAdditionalinformationArticle8oftheCounciloftheEuropeanCommunityDirective801778/EECrelatingtothe@tyofwaterintendedforhumanconsumptionrequiresMemberStatestoensurethatsubstancesusedinthepreparationofdrinkingwaterdonotcauseanycontraventionofthemaximumadmissibleconcentrationsprescribedinannex1totheDirective.ThisrequirementisgiveneffectinEnglandandWalesbyregulation25oftheWaterSupply(WaterQuality)Regulations1989(simiiarprovisionsapplyinScotlandandNorthernIreland).Regulation25makesprovisionforattachingconditionsofusetochemicalsandfiltermediathatareauthorizedforuseinpublicwatersupplies.DetailsofconditionsofusearecontainedintheSecretaryofState'sListofApprovedProductspublishedbytheDrhkingWaterInspectorate,FloorYA1,AshdownHouse,123Victoria*et,LondonSW1E6DE().Cross-referencesTheBritishStandarciswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCataiogueunderthesectionentitledInternationalStandardsCorrespondenceIndex,orbyusingtheFindfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.Amendmentsissuedsincepublication0BSI10-2000ISBNO58036111XIIAmdNo.CopyrightEuropeanCommitteeforStandardizationProvidedbyIHSunderlicensewithCENNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--```,-`-`,,`,,`,`,,`---sTD.BSIBSEN12672-ENGL2000EZb24bb9087b455805EUROPEANSTANDARDEN12672NORMEEUROPÉENNEEUROPASCHENORMJuly2000ICs71.100.80EnglishversionChemicalsusedfortreatmentofwaterintendedforhumanconsumption-PotassiumpermanganateProduitschimiquesutilis8spourletraitementdel'eaudestinéeàlaconsommationhumaine-PermanganatedepotassiumProduktezurAufbereitungvonWasserfürdenmenschlichenGebrauch-KaliumpermanganatThisEuropeanStandardwasapprovedbyCENon11June2000.CENmembersareboundtocomplywiththeCENICENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-todatelistsandbibliographicalreferencesconcerningsichnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytraislationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusasheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Noway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONEUROPÄISCHESKOMITEEFORNORMUNGCOMITÉEUROPÉENDENORMALISATIONCentralSecretariat:ruedeStassart,368-1050BrusselsO2000CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12672:2000ECopyrightEuropeanCommitteeforStandardizationProvidedbyIHSunderlicensewithCENNotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--```,-`-`,,`,,`,`,,`---~~~~~~~~STD.BSIBSEN12672-ENGL2000M16246690876456741HPage2EN12672:2000ContentsForeword.............................................................