作者:标准资料网 时间:2024-05-21 23:21:29   浏览:9560   来源:标准资料网

【英文标准名称】:StandardTestMethodforHydrogenContentofMiddleDistillatePetroleumProductsbyLow-ResolutionPulsedNuclearMagneticResonanceSpectroscopy
【原文标准名称】:用低分辨率脉冲核磁共振光谱法测定中间馏份石油产品氢含量的标准试验方法
【标准号】:ASTMD7171-2005
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分辨率;共振;磁的;氢含量;光谱学;石油产品;核;脉冲;试验;中间;馏份
【英文主题词】:distillates;fuels;hydrogencontent;middledistillate;nuclearmagneticresonancespectrometer;petroleumproducts
【摘要】:1.1Thistestmethodcoversthedeterminationofthehydrogencontentofmiddledistillatepetroleumproductsusingalow-resolutionpulsednuclearmagneticresonance(NMR)spectrometer.Theboilingrangeofdistillatescoveredbythetestmethodis150to390176;C.Whilethistestmethodmaybeapplicabletomiddledistillatesoutsidethisboilingrange,insuchcasestheprecisionstatementsmaynotapply.ThetestmethodisgenerallybasedonTestMethodsD3701andD4808,withamajordifferencebeingtheuseofapulsedNMRspectrometerinsteadofacontinuouswaveNMRspectrometer.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thepreferredunitsaremass%.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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】: