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【英文标准名称】:StandardTestMethodforHeatAgingofAsbestosTextiles
【原文标准名称】:石棉织物热老化的标准测试方法
【标准号】:ASTMD1573-1995(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:C17.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aging;asbestos;heat;heat-aging;tensile;textile
【摘要】:Thistestmethodcoverstheevaluationofasbestostextileswithregardto(1)qualityand(2)elevatedtemperatureserviceabilitycharacteristics.Sinceasbestostextilesareusuallycomposedofblendsofasbestoswithcottonorotherorganiccarrierfibers,thelatterbeingpresentinamountsupto25%,temperaturesabove150x00B0;C(300x00B0;F)willpromotethedegradationofthecottoncontentandwillreducethestructuralreinforcementderivedtherefrom.Inthehighergradeasbestostextiles,whereinlittleornocarrierfibersareusedandinwhichthelongerasbestosfibersarenecessaryifasatisfactoryyarnistobeproduced,thedegradationinstrengthresultingfromheat-agingupto540x00B0;C(1000x00B0;F)islow.Inthecaseofthelowergradeasbestostextiles,however,whereinamountsfrom15to25%carrierfibersareincorporated,asbestosfibershavingshorterlengthsmaybeutilized.Undertherelativelylowservicetemperaturestowhichsuchmaterialsmaybesubjected,neitherthecottonnortheclothpropertiesaregreatlyaffected.However,thestrength-impartinginfluenceofthecarrierfibersisreducedatelevatedtemperaturesandtheentwiningpropertiesoftheshorterasbestosfibersprimarilyservetoestablishtheresultanttensilestrengthandotherphysicalpropertiesofthetextile.Inviewofthis,elevatedtemperaturetestsmayservetoindicatetheasbestosfibergradeorqualitythatmaybeusedinatextileconstruction.Anotheruseandperhapsmorepracticalapplicationfortheinformationtobederivedfromelevatedtemperaturestudiesistherevelationoftheabilityofasubjecttextiletowithstandknownelevatedtemperatureserviceconditions.Itwillbeappreciatedthattemperaturealonemaynotbetheonlydegratoryinfluenceinthedestructionofsuchmaterials;however,undernormaloperatingconditions,hightemperaturesareusuallythedominatingfactorsinsuchdegradation.Theresultsobtainedthroughsuchinvestigationsthereforemaybeinterpretedintermsofelevatedtemperatureserviceability.1.1Thistestmethodcoverstheheatagingofasbestostextiles.Itmaybeusedtodeterminetheresistancetothedeteriorationoftensilestrengthattemperaturesupto450C(800F).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Warning-Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,referto"SafeUseofChrysotileAsbestos:AManualonPreventiveandControlMeasures."1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyhazard,see1.3.
【中国标准分类号】:Q61
【国际标准分类号】:59_060_30
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Waterquality-DeterminationoftheinhibitionofthemobilityofDaphniamagnaStraus(Cladocera,Crustacea)-Acutetoxicitytest(ISO6341:1996);GermanversionENISO6341:1996
【原文标准名称】:水质.枝角目甲壳纲水生生物活性抑制力测定.剧毒试验
【标准号】:DINENISO6341-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:生物分析和试验;试验;水常规(实验);微生物学;水质试验;毒性;微生物;甲壳纲;水蚤属;枝角目;移动性;抑制;水质;擒纵机构
【英文主题词】:Bacteria;Biologicalanalysisandtesting;Cladocera;Crustacea;Daphnia;Escapementmechanisms;Inhibition;Microbiology;Microorganisms;Mobility;Testing;Toxicity;Toxicologicaltesting;Waterpractice;Waterquality;Watertesting
【摘要】:ThedocumentdescribesamethodforthedeterminationoftheacutetoxicitytoDaphniamagnaStraus(Cladocera,Crustacea)ofchemicalsubstancessolubleundertestconditions,treatedoruntreatedindustrialandsewageeffluents,surfaceandgroundwaters.#,,#
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:17P.;A4
【正文语种】:德语