ISO 3734-1997 石油产品燃料油中水和沉积物的测定离心法

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【英文标准名称】:Petroleumproducts-Determinationofwaterandsedimentinresidualfueloils-Centrifugemethod
【原文标准名称】:石油产品燃料油中水和沉积物的测定离心法
【标准号】:ISO3734-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-08
【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/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:燃料油;含量测定;分析;石油产品;试验;试验;离心法;沉积物;水;沉淀物
【英文主题词】:Analysis;Centrifugemethod;Determinationofcontent;Fueloil;Petroleumproducts;Sediment;Testing;Tests;Water
【摘要】:ThisInternationalStandardspecifiesamethodforthelaboratorydeterminationofthesumofwaterandsedimentinresidualfueloilsusingthecentrifugemethod.Withsomeoilsitisdifficulttoobtainwaterorsedimentcontentsusingthismethod.Whenthissituationisencountered,ISO3733andISO3735shouldbeused.NOTE—Ithasbeenobservedthatcentrifugalmethodsofdeterminationofwaterandsedimentmay,inmanycases,giveerroneousresults.Thisisespeciallysowhenuseofahigh-speedmixerhasbeenemployedtoobtainarepresentativesample.Themethodisthereforenotentirelysatisfactoryandtheamountofwaterdeterminedisalmostalwayslowerthantheactualwatercontent.Significantquantitiesofwaterandsedimentcancauseoperationalproblemsinhandlingequipmentandinenginesandburners,particularlywhenthewaterpresentcontainsmineralsalts.Designofresidualfueloiltreatmentfacilities,suchasfiltersorcentrifuges,isbasedonamaximumquantityofmaterialtoberemovedbeforecombustion.Residualfueloilsdestinedforfurtherrefineryprocessingalsorequirelowlevelsofwaterandsedimenttominimizecorrosionproblems.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:13P;A4
【正文语种】:英语

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上一篇: NF T54-196-1-1997 塑料制品.可拉伸薄膜.第1部分:可拉伸薄膜性能测定的常规方法
下一篇: ISO 2977-1997 石油产品和烃类溶剂苯胺点和混合苯胺点的测定

【英文标准名称】:StandardTestMethodforSealabilityofSheet,Composite,andSolidForm-in-PlaceGasketMaterials
【原文标准名称】:复合薄板材和固态现场成型衬垫材料的密封能力的标准试验方法
【标准号】:ASTMF2378-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F03.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:薄板材;位置;密封件;密封能力;填料箱;固态的;形式;衬垫;试验
【英文主题词】:gasfluid;gasketmaterials;leakrate;load;pressure;sealing
【摘要】:Thistestmethodisdesignedtocomparesealingcharacteristicsofgasketmaterialsundercontrolledconditionsbyprovidingaprecisemeasureofleakagerateatdifferentpressloadsupto32MPa(4640psi).Thistestmethodissuitableformeasuringleakageratesfrom0.1mL/mintoashighas5L/minforgases.Thistestmethodevaluatesleakratesaftertimeperiods(typically30min)thatresultinasteadystateleakageratecondition.Holdinggasketmaterialsunderloadandinternalfluidpressureuntilsteadystateisachievedisrequiredtoobtainreproducibleresults.Ifthefluidbeingusedinthetestcauseschanges,suchasswelling,inthegasketmaterial,itmayaffectresultsanddiminishrepeatability.1.1Thistestmethodcoversameansofevaluatingthesealingpropertiesofsheet,composite,andsolidform-in-placegasketmaterials(seeClassificationF104orF868)atroomtemperature,andmaybeusedforfluid(gasorliquid)leakratemeasurements.Itutilizesrelativelyshortholdtimesandisnotintendedtopredictlong-termperformanceinapplication.1.2Thistestmethodissuitableforevaluatingthesealingcharacteristicsofagasketmaterialunderdifferentpressloadsbymeasuringtheleakagerate.Thistestmethodmaybeusedasanacceptancetestwhentheproduceranduserhaveagreedtospecifictestconditionsforthefollowingparameters:(1)testmedium,(2)internalpressureofthemedium,(3)pressloadonthegasketspecimen,and(4)thesurfacefinishoftheplatens.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:6P.;A4
【正文语种】: