ASTM D5772-2010 石油产品浊点的标准试验方法(直线冷却速率法)

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【英文标准名称】:StandardTestMethodforCloudPointofPetroleumProducts(LinearCoolingRateMethod)
【原文标准名称】:石油产品浊点的标准试验方法(直线冷却速率法)
【标准号】:ASTMD5772-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:automaticcloudpoint;cloudpoint;D2500equivalentcloudpoint;petroleumproducts;Cloudpoint;Coolingrate;Linearcoolingratemethod;Opticaldetectionstepped
【摘要】:Forpetroleumproductsanddieselfuels,thecloudpointisanindexofthelowesttemperatureofitsutilityforcertainapplications.Waxcrystalsofsufficientquantitycanplugfiltersusedinsomefuelsystems.Petroleumblendingoperationsrequireprecisemeasurementofthecloudpoint.Thistestmethodcandeterminethetemperatureofthetestspecimenatwhichwaxcrystalshaveformedsufficientlytobeobservedasacloud,witharesolutionof0.1x00B0;C.ThistestmethodprovidesresultsthatwhenroundedtothenextlowerintegerareequivalenttoTestMethodD2500.ThistestmethodismoreprecisethanTestMethodD2500.1.1Thistestmethodcoversthedescriptionofthedeterminationofthecloudpointofpetroleumproductsandbiodieselfuelsthataretransparentinlayers40mminthicknessbyanautomaticinstrumentusingalinearcoolingrate.1.2Thistestmethodcoverstherangeoftemperaturesfromx2212;60to49x00B0;Cwithtemperatureresolutionof0.1x00B0;C,however,therangeoftemperaturesincludedinthe1997interlaboratorycooperativetestprogramonlycoveredthetemperaturerangeofx2013;56to+34x00B0;C.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】:英语