作者:标准资料网 时间:2024-05-21 06:51:36   浏览:8502   来源:标准资料网

【英文标准名称】:StandardTestMethodsforMoistureinActivatedCarbon
【原文标准名称】:活性碳湿度的标准试验方法
【标准号】:ASTMD2867-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:activatedcarbon;moisture;Activatedcarbon;Moistureanalysis--refractories
【摘要】:Themoisturecontentofactivatedcarbonisoftenrequiredtodefineandexpressitspropertiesinrelationtothenetweightofthecarbon.Themoisturecontentofactivatedcarbonpackedintypicalshippingcontainerswillusuallyincreaseduringtransportationandstorage.Usersofactivatedcarboninapplicationswherelowmoisturecontentisimportantshouldbeawareofthiseffect.1.1Thesetestmethodsprovidethreeproceduresforthedeterminationofthemoisturecontentofactivatedcarbon.Theproceduresmayalsobeusedtodrysamplesrequiredforothertests.Theoven-dryingandmoisturebalancemethodsareusedwhenwateristheonlyvolatilematerialpresentandisinsignificantquantities,andtheactivatedcarbonisnotheat-sensitive(someactivatedcarbonscanignitespontaneouslyattemperaturesaslowas150x00B0;C).Thexylene-extractionmethodisusedwhenacarbonisknownorsuspectedtobeheatsensitiveortocontainnonwater-miscibleorganiccompoundsinsteadoforinadditiontowater.Theoven-dryingmethoddescribedinthesetestmethodsmaybeusedasthereferencefordevelopmentofinstrumentaltechniquesformoisturedeterminationinactivatedcarbon.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G70
【国际标准分类号】:71_040_30
【页数】:4P.;A4
【正文语种】:英语