ASTM E288-2006 实验室玻璃量瓶的标准规范
作者:标准资料网 时间:2024-05-18 00:31:27 浏览:9434
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforLaboratoryGlassVolumetricFlasks
【原文标准名称】:实验室玻璃量瓶的标准规范
【标准号】:ASTME288-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E41.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:烧瓶;实验室器皿;规范(验收)
【英文主题词】:flasks;glass;volumetric
【摘要】:1.1Thisspecificationcoversrequirementsforglassvolumetricflasksofprecisionandgeneral-purposegradessuitableforlaboratorypurposes.1.1.1ClassAEachflaskofprecisiongradeshallbemarkedwiththeletter"A"tosignifycompliancewithapplicableconstructionandaccuracyrequirements.Flasksmaybemarkedwithanidentificationnumber(serialnumber)attheoptionofthemanufacturer.1.1.2ClassBGeneralpurposeflasksareofthesamebasicdesignasClassAflasks.However,volumetrictolerancesforClassBflasksshallbewithintwicethespecifiedrangeallowedforClassAflasks.Theseflasksneednotbemarkedwiththeirclassdesignation.Note1Specificationsformicrovolumetricflasksinsizesfrom1mLto25mL,inclusive,aregiveninSpecificationE237.Note2TheTwelfthGeneral(International)ConferenceonWeightsandMeasuresredefinedthelitreasa"specialnameforthecubicdecimetre,"butagreedtopermitcontinuanceofthetermslitre,millilitre,andmL,exceptinassociationwithmeasurementsofthehighestprecision.Forvolumetricglasswarethedifferencebetweentheoldandnewmeaningsoflitreisnegligible.Therefore,eithermLorcm3maybemarkedonwarecoveredbythisSpecification.1.1.3ProductwithastatedcapacitynotlistedinthisstandardmaybespecifiedclassAtolerancewhenproductconformstothetolerancereangeofthenextsmallervolumetricstandardproductlistedin.1.1.4WideMouthRequirementsforinsertionoftabletorcapsuleforassaydilutionandtoaccommodateaccessoflargerdiameterpipetshavecreateddemandforintroductionofvolumetricflasksprovidedwithlargeropening.Productwithastatedcapacitywithawidermouth,notpreviouslylistedinthisstandard,maybespecifiedclassAtolerancewhenproductconformstothetolerancerangeofthevolumetricstandardproductlistedin.Inordertoavoidconfusion,wideneckflasktolerancemustbemarkedoneachflaskasarequirement.
【中国标准分类号】:N64
【国际标准分类号】:71_040_20
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:实验室玻璃量瓶的标准规范
【标准号】:ASTME288-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E41.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:烧瓶;实验室器皿;规范(验收)
【英文主题词】:flasks;glass;volumetric
【摘要】:1.1Thisspecificationcoversrequirementsforglassvolumetricflasksofprecisionandgeneral-purposegradessuitableforlaboratorypurposes.1.1.1ClassAEachflaskofprecisiongradeshallbemarkedwiththeletter"A"tosignifycompliancewithapplicableconstructionandaccuracyrequirements.Flasksmaybemarkedwithanidentificationnumber(serialnumber)attheoptionofthemanufacturer.1.1.2ClassBGeneralpurposeflasksareofthesamebasicdesignasClassAflasks.However,volumetrictolerancesforClassBflasksshallbewithintwicethespecifiedrangeallowedforClassAflasks.Theseflasksneednotbemarkedwiththeirclassdesignation.Note1Specificationsformicrovolumetricflasksinsizesfrom1mLto25mL,inclusive,aregiveninSpecificationE237.Note2TheTwelfthGeneral(International)ConferenceonWeightsandMeasuresredefinedthelitreasa"specialnameforthecubicdecimetre,"butagreedtopermitcontinuanceofthetermslitre,millilitre,andmL,exceptinassociationwithmeasurementsofthehighestprecision.Forvolumetricglasswarethedifferencebetweentheoldandnewmeaningsoflitreisnegligible.Therefore,eithermLorcm3maybemarkedonwarecoveredbythisSpecification.1.1.3ProductwithastatedcapacitynotlistedinthisstandardmaybespecifiedclassAtolerancewhenproductconformstothetolerancereangeofthenextsmallervolumetricstandardproductlistedin.1.1.4WideMouthRequirementsforinsertionoftabletorcapsuleforassaydilutionandtoaccommodateaccessoflargerdiameterpipetshavecreateddemandforintroductionofvolumetricflasksprovidedwithlargeropening.Productwithastatedcapacitywithawidermouth,notpreviouslylistedinthisstandard,maybespecifiedclassAtolerancewhenproductconformstothetolerancerangeofthevolumetricstandardproductlistedin.Inordertoavoidconfusion,wideneckflasktolerancemustbemarkedoneachflaskasarequirement.
【中国标准分类号】:N64
【国际标准分类号】:71_040_20
【页数】:3P.;A4
【正文语种】:
下载地址: 点击此处下载