ASTM D5190-2007 石油产品蒸气压力的测定用标准试验方法(自动方法)

作者:标准资料网 时间:2024-05-10 23:13:40   浏览:8295   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforVaporPressureofPetroleumProducts(AutomaticMethod)
【原文标准名称】:石油产品蒸气压力的测定用标准试验方法(自动方法)
【标准号】:ASTMD5190-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D02.08.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石油产品;测试;蒸气压力
【英文主题词】:automatedvaporpressuremeasurement;dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;petroleumproducts;vaporpressure;Automatedprocedurespetroleumproductsanalysis;Calibrationpetroleumanalysisinstrumentation;Dryvaporpressure;Gas
【摘要】:Vaporpressureisanimportantphysicalpropertyofvolatileliquids.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.ThistestmethodismoreprecisethanTestMethodD4953.1.1Thistestmethodcoversthedeterminationofthetotalvaporpressureofair-containing,volatile,petroleumproducts.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0x00B0;C(32x00B0;F)thatexertavaporpressurebetween7and172kPa(1and25psi)at37.8x00B0;C(100x00B0;F)atavapor-to-liquidratioof4:1.Thistestmethodissuitablefortestinggasolinesamplesthatcontainoxygenates.Noaccountismadeofdissolvedwaterinthesample.1.1.1Somegasoline-oxygenateblendsmayshowahazewhencooledto0to1x00B0;C.Ifahazeisobservedin8.5,itshallbeindicatedinthereportingofresults.Theprecisionandbiasstatementsforhazysampleshavenotbeendetermined(seeNote8).1.2Thistestmethodissuitableforthecalculationofadryvaporpressureequivalent(DVPE)bymeansofacorrelationequation(see13.1).ThecalculatedDVPEverycloselyapproximatesthedryvaporpressurethatwouldbeobtainedonthesamematerialwhentestedinaccordancewithTestMethodD4953.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.3through7.5and9.2.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:6P.;A4
【正文语种】:


下载地址: 点击此处下载
基本信息
标准名称:针织用针分类、术语及产品代号编法 钩针术语
中标分类: 纺织 >> 纺织机械与器具 >> 针织、纺织制品机械与器具
ICS分类: 纺织和皮革技术 >> 纺织机械 >> 针织机械
替代情况:FJ 1051-1979
发布部门:中华人民共和国纺织工业部
发布日期:1991-12-06
实施日期:1992-10-01
首发日期:1900-01-01
作废日期:1900-01-01
提出单位:纺织工业部技术装备司
归口单位:上海纺织器材研究所
起草单位:上海纺织器材研究所
出版日期:1992-10-01
页数:5页
适用范围

本标准规定了针织用钩针的术语。
本标准适用于经编机、纬编机用钩针。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 纺织 纺织机械与器具 针织 纺织制品机械与器具 纺织和皮革技术 纺织机械 针织机械
【英文标准名称】:StandardTestMethodforRockwellHardnessofPlasticsandElectricalInsulatingMaterials
【原文标准名称】:塑料和电绝缘材料洛氏硬度的标准试验方法
【标准号】:ASTMD785-2008
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalinsulatingmaterials;indentationhardness;plasticmolding;plasticsheets;Rockwellalphahardness;Rockwellhardness;Rockwellhardnessnumber;Electricalinsulatingplastics;Hardness(indentation)--plastics;Rockwellhardness
【摘要】:ARockwellhardnessnumberisanumberderivedfromthenetincreaseindepthimpressionastheloadonanindenterisincreasedfromafixedminorloadtoamajorloadandthenreturnedtoaminorload(ProcedureA).ARockwellalpha(x03B1;)hardnessnumberrepresentsthemaximumpossibleremainingtravelofashort-strokemachinefromthenetdepthofimpression,astheloadontheindenterisincreasedfromafixedminorloadtoamajorload(ProcedureB).Indentersareroundsteelballsofspecificdiameters.Rockwellhardnessnumbersarealwaysquotedwithascalesymbolrepresentingtheindentersize,load,anddialscaleused.ThistestmethodisbasedonTestMethodsE18.ProcedureA(Section11)yieldstheindentationofthespecimenremaining15safteragivenmajorloadisreleasedtoastandard10-kgminorload.ProcedureB(Section12)yieldstheindentationoftheindenterintothespecimenaftera15-sapplicationofthemajorloadwhiletheloadisstillapplied.EachRockwellscaledivisionrepresents0.002-mm[0.00008-in.]verticalmovementoftheindenter.Inpractice,theRockwellhardnessnumberisderivedfromthefollowingrelationship:where:HR

【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:6P.;A4
【正文语种】:英语