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【英文标准名称】:StandardTestMethodforOrganicImpuritiesinFineAggregatesforConcrete
【原文标准名称】:混凝土用细集料中有机杂质含量的标准试验方法
【标准号】:ASTMC40-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:C09.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;杂质;混凝土;建筑;施工材料;有机的;集料;细集料
【英文主题词】:colorimetrictest;fineaggregate;organicimpurities
【摘要】:ThistestmethodisusedinmakingapreliminarydeterminationoftheacceptabilityoffineaggregateswithrespecttotherequirementsofSpecificationC33thatrelatetoorganicimpurities.Theprincipalvalueofthistestmethodistofurnishawarningthatinjuriousamountsoforganicimpuritiesmaybepresent.WhenasamplesubjectedtothistestproducesacolordarkerthanthestandardcoloritisadvisabletoperformthetestfortheeffectoforganicimpuritiesonthestrengthofmortarinaccordancewithTestMethodC87.1.1Thistestmethodcoverstwoproceduresforanapproximatedeterminationofthepresenceofinjuriousorganicimpuritiesinfineaggregatesthataretobeusedinhydrauliccementmortarorconcrete.Oneprocedureusesastandardcolorsolutionandtheotherusesaglasscolorstandard.1.2ThevaluesgiveninSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:2P.;A4
【正文语种】: