【英文标准名称】:StandardTestMethodforpHofWaterExtractionsofHalogenatedOrganicSolventsandTheirAdmixtures
【原文标准名称】:卤化有机溶剂及其混合物水萃取液pH值的标准试验方法
【标准号】:ASTMD2110-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D26.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:溶剂;试验
【英文主题词】:acidity,alkalinity,halogenatedorganicsolvents;pH;solvents
【摘要】:ThepHofhalogenatedsolventsvariesaccordingtothenatureofstabilizersintheparticularsolvent.Solventswithalkalinestabilizers(amine-types)generallyhavepHsinthe7to11range,whereassolventscontainingneutralstabilizers(epoxide-types)generallyhavepHsinthe5to7range.VirginandreclaimedsolventsshouldhavepHswithintheseranges,dependentupontheclaimedmethodofstabilization.Thesevaluesshouldbewithintheacceptedlimitsasproposedbytheproducersoftheoriginalvirginsolvent.AloweringofpHfromtheabovevalues,onreceiptoruse,iscauseforconcern.Inthisevent,solventshavingepoxidestabilizersshouldbetestedforacidacceptance;solventhavingalkalinestabilizersshouldbetestedforalkalinity.1.1ThistestmethodcoversthemeasurementofthepHofwaterextractionsofhalogenatedorganicsolventsandadmixturesthereof.ThistestmethodisapplicableforthedeterminationofthepHofwaterextractionsofvirgin,reclaimed,orusedsolvents.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G63
【国际标准分类号】:71_080_20
【页数】:2P.;A4
【正文语种】: