ANSI/ASTM D6591-2006 带折射指数探测的高效液相色谱法测定在中间馏份中芳香烃类的试验方法

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【英文标准名称】:TestMethodforDeterminationofAromaticHydrocarbonTypesinMiddleDistillates-HighPerformanceLiquidChromatographyMethodwithRefractiveIndexDetection
【原文标准名称】:带折射指数探测的高效液相色谱法测定在中间馏份中芳香烃类的试验方法
【标准号】:ANSI/ASTMD6591-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:2006-11-21
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:芳烃;检测;测定;蒸馏物;大容量;高效液相色谱法;指数;液相色谱法;液体;中间;性能;折射指数;试验方法;试验
【英文主题词】:Aromatichydrocarbons;Detection;Determination;Distillates;Highcapacity;Highperformanceliquidchromatography;Indices;Liquidchromatography;Liquids;Middle;Performance;Refractiveindex;Testmethods;Testing
【摘要】:Thistestmethodcoversahighperformanceliquidchromatographictestmethodforthedeterminationofmono-aromatic,di-aromatic,tri+-aromatic,andpolycyclicaromatichydrocarboncontentsindieselfuelsandpetroleumdistillatesboilingintherangefrom150to400?C.Thetotalaromaticcontentin%m/miscalculatedfromthesumofthecorrespondingindividualaromatichydrocarbontypes.Note1Aviationfuelsandpetroleumdistillateswithaboilingpointrangefrom50to300?CarenotdeterminedbythistestmethodandshouldbeanalyzedbyTestMethod,D6379orothersuitableequivalenttestmethods.Theprecisionofthistestmethodhasbeenestablishedfordieselfuelsandtheirblendingcomponents,containingfrom4to40%(m/m)mono-aromatichydrocarbons,0to20%(m/m)di-aromatichydrocarbons,0to6%(m/m)tri+-aromatichydrocarbons,0to26%(m/m)polycyclicaromatichydrocarbons,and4to65%(m/m)totalaromatichydrocarbons.Compoundscontainingsulfur,nitrogen,andoxygenarepossibleinterferents.Mono-alkenesdonotinterfere,butconjugateddi-andpoly-alkenes,ifpresent,arepossibleinterferents.Byconvention,thisstandarddefinesthearomatichydrocarbontypesonthebasisoftheirelutioncharacteristicsfromthespecifiedliquidchromatographycolumnrelativetomodelaromaticcompounds.Quantificationisbyexternalcalibrationusingasinglearomaticcompound,whichmayormaynotberepresentativeofthearomaticsinthesample,foreacharomatichydrocarbontype.Alternativetechniquesandmethodsmayclassifyandquantifyindividualaromatichydrocarbontypesdifferently.FattyAcidMethylEsters(FAME),ifpresent,interferewithtri+-aromatichydrocarbons.IfthismethodisusedfordieselcontainingFAME,theamountoftri+-aromaticswillbeoverestimated.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_50
【页数】:
【正文语种】:英语


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基本信息
标准名称:出口粮谷中黄曲霉毒素BB、GG检验方法液相色谱法
英文名称:Method for the determination of aflatoxin B1 B2 G1 G2 in cereals for export—Liquid chromatography
中标分类: 食品 >> 食品加工与制品 >> 粮食加工与制品
发布部门:中华人民共和国国家进出口商品检验局
发布日期:1993-12-28
实施日期:1994-05-01
首发日期:1900-01-01
作废日期:1900-01-01
主管部门:中华人民共和国国家进出口商品检验局
提出单位:中华人民共和国国家进出口商品检验局
归口单位:中华人民共和国国家进出口商品检验局
起草单位:中华人民共和国天津进出口商品检验局
起草人:郑洪生、张洪卫、唐翔
出版日期:1994-05-01
页数:13页
适用范围

本标准规定了出口粮谷中黄曲霉毒索BB,,GG2检验的抽样、制样和液相色谱测定方法。
本标准适用于出G玉米中黄曲霉毒素BBL.,G,.G:的检验。大米、小麦等粮谷中黄曲霉毒素的检验
.可参照采用本标准

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所属分类: 食品 食品加工与制品 粮食加工与制品
【英文标准名称】:TestMethodforCoefficientofStaticFrictionofUncoatedWritingandPrintingPaperbyUseoftheInclinedPlaneMethod
【原文标准名称】:用倾斜面法测试无涂层书写纸和印刷纸静磨擦系数的试验方法
【标准号】:ANSI/ASTMD4918-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:书写纸;纸;摩擦;印刷纸;试验
【英文主题词】:Friction;Paper;Printingpapers;Testing;Writingpaper
【摘要】:Thistestmethoddescribesaprocedureforthedeterminationofthecoefficientofstaticfrictionofpapermeasuredwhenslidingagainstitself.Theinclinedplaneprocedureisused.Althoughthistestmethodisbasicinconcept,theprecisionstatementhasbeendevelopedonuncoatedwritingandprintingpapers.Whiletheuseofthistestmethodisrecommendedforthosegradesonly,itmaybeusedwithothertypesofpapergivingspecificattentiontospecialpapercharacteristicsandwiththeunderstandingthattheprecisionmaynotbethesame.Staticcoefficientoffriction(COF)relatestotheforcerequiredtoinitiatemovementbetweentwosurfaceswhilekineticCOFrelatestotheforcerequiredtocausecontinuationofthemovementatuniformspeed.KineticCOFcannotbemeasuredbythistestmethod.BothstaticandkineticCOFcanbemeasuredbyTestMethodD4917.AhorizontalplanemethodisdescribedinTestMethodD4917,whichgivessimilarresults.Thechoiceofapproachdependsupontheequipmentavailableandthemeansofmeasurement.ThedeterminationofthischaracteristicforcorrugatedandsolidfiberboardisdescribedinTestMethodsD4521andD3247.Thetestmethodsdifferinthat,inTestMethodsD4521andD3247,thetwospecimensareallowedtoslipupononeanotherthreetimesbeforetheangleofinclinationisdetermined,whileinthistestmethod,theangleisdeterminedonthefirstslip.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:85_080_10
【页数】:
【正文语种】:英语