ASTM D6006-1997a(2008) 液流生物降解性评估的标准指南

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【英文标准名称】:StandardGuideforAssessingBiodegradabilityofHydraulicFluids
【原文标准名称】:液流生物降解性评估的标准指南
【标准号】:ASTMD6006-1997a(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:D02.12
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:biodegradation;hydraulicfluids;persistence;water-insoluble;Aerobic/anaerobicbiodegradation--petroleumproducts;Biodegradation--petroleumproducts;Environmentalmonitoring;Freshwater;Hydraulicfluids/oils;Soil;Water-insolublematerial/process
【摘要】:Thisguidediscusseswaystoassessthelikelihoodthatahydraulicfluidwillundergobiodegradationifitentersanenvironmentthatisknowntosupportbiodegradationofsomesubstances,forexamplethematerialusedasthepositivecontrolinthetest.Theinformationcanbeusedinmakingorassessingclaimsofbiodegradabilityofafluidformula.Biodegradationoccurswhenafluidinteractswiththeenvironment,andsotheextentofbiodegradationisafunctionofboththechemicalcompositionofthehydraulicfluidandthephysical,chemical,andbiologicalstatusoftheenvironmentatthetimethefluidentersit.Thisguidecannotassistinjudgingthestatusofaparticularenvironment,soitisnotmeanttoprovidestandardsforjudgingthepersistenceofahydraulicfluidinanyspecificenvironmenteithernaturalorman-made.Ifanyofthetestsdiscussedinthisguidegivesahighresult,itimpliesthatthehydraulicfluidwillbiodegradeandwillnotpersistintheenvironmentalcompartmentbeingconsidered.Ifalowresultisobtained,itdoesnotmeannecessarilythatthesubstancewillnotbiodegradeintheenvironment,butdoesmeanthatfurthertestingisrequiredifaclaimofbiodegradabilityistobemade.Suchtestingmayinclude,butisnotlimitedto,othertestsmentionedinthisguideorsimulationtestsforaparticularenvironmentalcompartment.1.1Thisguidecoversandprovidesinformationtoassistinplanningalaboratorytestorseriesoftestsfromwhichmaybeinferredinformationaboutthebiodegradabilityofanunusedfullyformulatedhydraulicfluidinitsoriginalform.Biodegradabilityisoneofthreecharacteristicswhichareassessedwhenjudgingtheenvironmentalimpactofahydraulicfluid.Theothertwocharacteristicsareecotoxicityandbioaccumulation.1.2Biodegradabilitymaybeconsideredbytypeofenvironmentalcompartment:aerobicfreshwater,aerobicmarine,aerobicsoil,andanaerobicmedia.Testmethodsforaerobicfreshwater,aerobicsoilandanaerobicmediahavebeendevelopedthatareappropriatefortheconcernsandneedsoftestingineachcompartment.1.3Thisguideaddressesreleasestotheenvironmentthatareincidentaltotheuseofahydraulicfluidbutisnotintendedtocoversituationsofmajor,accidentalrelease.Thetestsdiscussedinthisguidetakeaminimumofthreetofourweeks.Therefore,issuesrelatingtothebiodegradabilityofhydraulicfluidaremoreeffectivelyaddressedbeforethefluidisused,andthusbeforeincidentalreleasemayoccur.Nothinginthisguideshouldbetakentorelievetheuseroftheresponsibilitytoproperlyuseanddisposeofhydraulicfluids.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:6P.;A4
【正文语种】:英语


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基本信息
标准名称:可锻铸铁
中标分类: 机械 >> 加工工艺 >> 铸造
替代情况:被GB/T 9440-1988代替
发布日期:1900-01-01
实施日期:1986-09-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:4页
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所属分类: 机械 加工工艺 铸造
基本信息
标准名称:冷冲模凹、凸模装置 圆凹模δ≤3
中标分类: 机械 >> 工艺装备 >> 模具
发布日期:1984-12-24
实施日期:1985-07-01
首发日期:
作废日期:
出版日期:
页数:1页
适用范围

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前言

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目录

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引用标准

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所属分类: 机械 工艺装备 模具