您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D770-2005 异丙醇的标准规范

作者:标准资料网 时间:2024-05-20 15:53:26  浏览:9840   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforIsopropylAlcohol
【原文标准名称】:异丙醇的标准规范
【标准号】:ASTMD770-2005
【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】:D01.35
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:溶剂;规范(验收);异丙醇;芳烃;芳族化合物;醇
【英文主题词】:isopropanol;isopropylalcohol;petrohol;secondarypropylalcohol;2-propanol
【摘要】:1.1Thisspecificationcoversisopropylalcohol(99%grade).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thefollowingappliestoallspecifiedlimitsinthisstandard;forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Forhazardinformationandguidance,seethesupplier''sMaterialSafetyDataSheet.
【中国标准分类号】:G17
【国际标准分类号】:71_080_60
【页数】:2P.;A4
【正文语种】:


下载地址: 点击此处下载
基本信息
标准名称:地理标志产品 洱海梅子
发布部门:云南省质量技术监督局
发布日期:2007-08-16
实施日期:2007-10-01
首发日期:
作废日期:
主管部门:云南省质量技术监督局
出版社:中国标准出版社
出版日期:2007-10-01
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 医药 卫生 劳动保护 医疗器械 医用射线设备
【英文标准名称】:StandardTestMethodforDeterminationofAntioxidantsandErucamideSlipAdditivesinPolyethyleneUsingLiquidChromatography(LC)
【原文标准名称】:用液相色谱法(LC)测定聚乙烯中抗氧化剂和ErucamideSlip添加剂的标准试验方法
【标准号】:ASTMD6953-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗氧化剂;添加剂;聚乙烯;液相色谱法;测定;滑动
【英文主题词】:additive;antioxidants;erucamideslip;extraction;polyethylene
【摘要】:Separationandidentificationofstabilizersusedinthemanufactureofpolyethyleneresinsarenecessaryinordertocorrelateperformancepropertieswithpolymercomposition.ThistestmethodprovidesameanstodetermineBHT,BHEB,Isonox129,erucamideslip,Irgafos168,Irganox1010,Irganox1076andTNPPlevelsinpolyethylenesamples.ThistestmethodshouldbeapplicableforthedeterminationofotherantioxidantssuchasUltranox626,Ethanox330,SantanoxR,andTopanolCA,butthestabilityoftheseduringextractionhasnotbeeninvestigated.Theadditiveextractionprocedureismadeeffectivebytherelativelylowsolubilityofthepolymersampleinsolventsgenerallyusedforliquidchromatographicanalysis.Inthismethod,isopropanolandcyclohexanewerechosenbecauseoftheirexcellentextractionefficienciesaswellasforsafetyreasons.Othersolventsincludingethylacetate,isobutanol,chloroformandmethylenechloridecanalsobeused.Methodsotherthanrefluxingthathavebeenusedtoremoveadditivesfromthepolymermatrixincludemicrowave,ultrasonic,andsupercriticalfluidextractions.Fortheseparationoftheextractedadditives,SFCandGChavebeenusedsuccessfullyforseveraloftheadditives.Underoptimumconditions,thelowestlevelofdetectionforanantioxidantisapproximately2ppm.1.1Thistestmethodcoversaliquid-chromatographicprocedurefortheseparationofsomeadditivescurrentlyusedinpolyethylene.Theseadditivesareextractedwitheitherisopropanol(resindensities60;0.94g/cm3)orcyclohexane(resindensities62;0.94g/cm3)priortoliquid-chromatographicseparation.Theultravioletabsorbanceoftheelutingcompound(s)ismeasuredandquantitationisperformedusingexternalcalibration.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.Note18212;ThereisnoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_040_20
【页数】:6P.;A4
【正文语种】: