【英文标准名称】:StandardTestMethodforDeterminationofFuelFilterBlockingPotentialofBiodiesel(B100)BlendStockbyColdSoakFiltrationTest(CSFT)
【原文标准名称】:通过冷浸过滤试验法(CSFT)测定阻止潜在生物柴油(B100)混合原料的标准试验方法
【标准号】:ASTMD7501-2009b
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:biodiesel;biodieselblend;dieselfuel;filterblockingpotential;glassfiberfilter;laboratoryfiltration;lowtemperatureoperability;middledistillatefuel;Biodieselfuel(B100)blendstock;Filtration;Middledistillatefuels
【摘要】:Somesubstancesthataresolubleorappeartobesolubleinbiodiesel(B100)atroomtemperaturewill,uponcoolingtotemperaturesabovethecloudpointorstandingatroomtemperatureforextendedperiods,comeoutofsolution.ThisphenomenonhasbeenobservedinbothB100andBXXblends.Thesesubstancescancausefilterplugging.ThismethodprovidesanacceleratedmeansofassessingthepresenceofthesesubstancesinB100andtheirpropensitytoplugfilters.B100biodieselfuelsthatgiveshortfiltrationtimesareexpectedtogivesatisfactoryoperationofBXXblendsatleastdowntothecloudpointofthebiodieselblends.Thetestmethodcanbeusedinspecificationsasameansofcontrollinglevelsofminorfilterpluggingcomponentsinbiodieselandbiodieselblends.1.1Thistestmethodcoversthedeterminationbyfiltrationtimeaftercoldsoakofthesuitabilityforabiodiesel(B100)blendstockthatmeetsallotherrequirementsofSpecificationD6751andhasacloudpointbelow68x00B0;F(20x00B0;C)toprovideadequatelowtemperatureoperabilityperformancetoatleastthecloudpointofthefinishedblend.1.2Theformalprecisionofthistestmethodisincludedin13.1onPrecision.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:6P.;A4
【正文语种】:


Product Code:SAE AMS5022
Title:Steel, Bars, Forgings, and Tubing, Free-Cutting, 0.14 - 0.20C (SAE 1117) (NONCURRENT Aug 2006)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a carbon steel in the form of bars, forgings, mechanical tubing, and stock for forging or heading.