ISO 14849-1999 塑料酚醛模塑件游离氨和胺化合物的测定靛酚法
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【英文标准名称】:Plastics-Phenol-formaldehydemouldings-Determinationoffreeammoniaandammoniumcompounds-Indophenolmethod
【原文标准名称】:塑料酚醛模塑件游离氨和胺化合物的测定靛酚法
【标准号】:ISO14849-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:模制材料;比色法;定义;含量测定;铸件;化学分析和试验;氨;苯酚甲醛;塑料
【英文主题词】:Ammonia;Castings;Chemicalanalysisandtesting;Colorimetry;Definitions;Determinationofcontent;Mouldings(shapedsection);Phenolformaldehyde;Plastics
【摘要】:ThisInternationalStandardspecifiesacolorimetriccomparisonmethodforthedeterminationoftheamountofammoniaandammoniumcompoundsinphenol-formaldehydemouldings.NOTEThisInternationalStandarddoesnotprovideanabsolutemeasureoftheamountofammoniapresent.Theamountofammoniainamouldedarticleisofimportancewhencorrosionofmetalinsertsorcontaminationoffoodstuffsincontactwiththearticlehastobeconsidered.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplingPhytoplanktonwithWater-SamplingBottles
【原文标准名称】:用水样瓶采集可繁殖海洋浮游生物
【标准号】:ASTMD4136-1982(2004)
【标准状态】:现行
【国别】:
【发布日期】:1982
【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】:E47.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:资源回收;浮游生物;水质;污染控制;抽样方法
【英文主题词】:
【摘要】:Theadvantagesofwater-samplingbottlesareasfollows:4.1.1Samplesofknownvolumecanbeobtainedfromaprecisedepth.4.1.2Aquantitativesampleisobtained.Nanno-andultraplanktonarenotlostfromthesamplingdevice.4.1.3Asamplerofalmostanydesiredvolumeorconstructionmaterialcanbeobtained.4.1.4Thesamplerislight-weightandcanbeusedwithoutauxiliaryequipment.4.1.5Thereisafreeflowofwaterthroughthecylinderofthesamplerwhenitisbeinglowered.4.1.6Samplerscanbearrangedseriallytofacilitatesamplingatseveraldepthsalmostsimultaneously.4.1.7Thesamplercanbeusedinmostdepthsofwater.Thedisadvantagesofwater-samplingbottlesareasfollows:4.2.1Samplesareobtainedfromonlydiscretedepths;theycannotbeobtainedfromhorizontalorverticalstrataofwater.4.2.2Thesamplerscannotbeusedsatisfactorilyinfast-flowingwater.Thereareseveralspecialconsiderationsthatshallbeobservedwhenusingwater-samplingbottles.Theyareasfollows:4.3.1Thesamplersshouldbeprotectedfromdamage,whichcommonlyresultsinleakage.4.3.2Followinguse,thesamplersshouldbehungopeninahorizontalpositiontoallowforthoroughdrying.4.3.3Theendstoppersshouldbeinspectedperiodicallyforsignsofwearordeteriorationandreplacedasnecessary(Fig.1a,b,c).FIG.1Water-SamplingBottles(a)Kemmerer(b)VanDorn(c)Nansen(d)Fjarlie(IllustrationbyJ.W.SteinerandW.G.Hester,U.S.GeologicalSurvey,Doraville,GA)1.1Thispracticecoverstheproceduresforobtainingquantitativesamplesofaphytoplanktoncommunitybyuseofwater-samplingbottles.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforPhosphorusinLubricatingOilsandAdditivesbyQuinolinePhosphomolybdateMethod
【原文标准名称】:用喹啉磷钼酸盐法测定润滑油及添加剂中磷含量的试验方法
【标准号】:ASTMD4047-2000(2005)
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含量测定;石油产品;磷;试验;润滑剂
【英文主题词】:additives;lubricatingoils;phosphomolybdate;phosphorous
【摘要】:Knowledgeofthephosphoruscontent,andthusthephosphorus-containingadditives,inalubricatingoiloradditivecanbeusedtopredictperformancecharacteristics.1.1Thistestmethodcoversthedeterminationof0.005to10.0mass%phosphorusinunusedlubricatingoilandadditiveconcentrates.Thereisnoreasontodoubtitsapplicabilitytofiltered,usedlubricatingoils,butnosystematicstudyofthisapplicationhasbeenmade.1.2Thetestmethodisapplicabletosamplescontaininganyofthephosphoruscompoundsinnormaluse.Note18212;ThistestmethodextendsthescopeofthepreviousversionofIP149andreplacesIP148andthepreviousversionofIP149asarefereemethod.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see6.9.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:4P.;A4
【正文语种】:
