ASTM D6875-2008 用热敏电阻测定工业用有机化学品凝固点的标准试验方法

作者:标准资料网 时间:2024-05-10 10:22:24  浏览:8567   来源:标准资料网

【英文标准名称】:StandardTestMethodforSolidificationPointofIndustrialOrganicChemicalsbyThermistor
【原文标准名称】:用热敏电阻测定工业用有机化学品凝固点的标准试验方法
【标准号】:ASTMD6875-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D16.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:benzene;cyclohexane;p-Xylene;solidificationpoint;Benzene--paints/relatedcoatings/materials;Contamination--paints/coatingsapplications;Cyclohexane;Organicchemicals;Processcontrol;Solidificationpoint;para
【摘要】:ThistestmethodmaybeusedforprocesscontrolduringthemanufactureoforganicchemicalsdescribedinSection1,forsettingspecifications,fordevelopmentandresearchwork,andtodetermineifcontaminationwasintroducedduringshipment.1.1Thistestmethodcoversageneralprocedurefordeterminingthesolidificationpointofmostorganicchemicalshavingappreciableheatsoffusionandsolidificationpointsbetween4and41x00B0;C.Note18212;OthertestmethodsfordeterminingfreezepointandsolidificationpointofaromatichydrocarbonsincludeTestMethodsD852,D1015,D1016,D3799,D4493,andD6269.1.2Thistestmethodisapplicabletorelativelypurecompoundsonly.Solidificationpointdepressionisdependentonimpurityconcentrations.1.3Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancewithapplicablespecificationsusingthistestmethod,anobservedvalueoracalculatedvalueshallberoundedoffx201C;tothenearestunitx201D;inthelastrighthanddigitusedinexpressingthespecificationlimit,inaccordancewiththex201C;rounding-offmethodx201D;ofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection8,Hazards.
【中国标准分类号】:G04
【国际标准分类号】:71_080_01
【页数】:4P.;A4
【正文语种】:英语