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ASTM E2469-2008a 用离子色谱法测定一,二和三乙烯基乙二醇中氯化物的标准试验方法

作者:标准资料网 时间:2024-05-23 01:32:06  浏览:9636   来源:标准资料网
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【英文标准名称】:StandardTestMethodforChlorideinMono-,Di-andTri-ethyleneGlycolbyIonChromatography
【原文标准名称】:用离子色谱法测定一,二和三乙烯基乙二醇中氯化物的标准试验方法
【标准号】:ASTME2469-2008a
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chloride;IC;ionchromatography;MEG;monoethyleneglycol;DEG;diethyleneglycol;TEG;triethyleneglycol;Chlorideanalysis;Ionchromatography(IC);Monoethyleneglycol(MEG)
【摘要】:Thistestmethodprovidesforthequantitativedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)usingionchromatographywithconductivitydetection.Theanalysistimeislessthan5minwithlittleornosamplepreparationrequired.Conductivitydetectionisauniversaldetectionmodeandislinearovertherangeofthemethod.Acceptablelevelsofchlorideinpolyester-gradeandlow-conductivity-gradeMEGvarywiththemanufacturerx2019;sspecificationsbutarenormallyinthelowmg/kgrange.Knowledgeofthechloridecontentinpolyester-gradeandlow-conductivity-gradeMEGisrequiredtoestablishwhethertheMEGproductmeetsspecificationrequirements.Glycolshavehighviscositiesandadilutionwithhighqualitydeionizedwatermayberequireddependingonthecapabilityoftheautosampler,ifused,todelivertheinjection.Allstandardsandsamples,whetherdilutedornotshouldbetreatedinthesamemanner.1.1Thistestmethodcoversthedeterminationofinorganicchloride(chlorideion)inmonoethyleneglycol(MEG),diethyleneglycol(DEG)andtriethyleneglycol(TEG)intherangeof0.01to1.0mg/kgbyionchromatography(IC).1.2Ethyleneglycolcanbeanalyzeddirectlybythistestmethodwithoutanysamplepreparationordilutedwithhighqualitydeionizedwaterifanautosamplerisusedanddilutionisnecessary(thatis,50:50orothersuitableratio).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Theexceptionistheadditionalinformationof(psi)in9.3.3.1.4ReviewthecurrentMaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,first-aidproceduresandsafetyprecautions.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G16
【国际标准分类号】:71_040_40
【页数】:10P.;A4
【正文语种】:英语


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基本信息
标准名称:高纯石墨材料总稀土素含量的分光光度测定方法
中标分类: 建材 >> 炭素材料 >> 石墨材料
替代情况:调整为YB/T 5191-1993
发布日期:1900-01-01
实施日期:1989-03-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:3页
适用范围

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前言

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引用标准

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所属分类: 建材 炭素材料 石墨材料
【英文标准名称】:StandardGuideforValidatingRecycledContentinPackagingPaperandPaperboard
【原文标准名称】:包装纸和纸板回收成分确认的标准导则
【标准号】:ASTMD5663-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D10.19
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:饮料小车;瓦楞纸夹心;折叠纸盒板;杂货袋;重量平衡;回收含量;生效回收含量;包装材料;袋;袋;包装纸;纸板;多的;回收纸材料;填充物;纸;导则
【英文主题词】:beveragecarriers;boxboardcuttings;corrugatingmedium;double-linedKraftcuttings(DLK);filler;foldingboxboard;grocerybags;high-grades;linerboard;massbalance;multi-wallbags;oldcorrugated(OCC);oldmagazines(OMG);oldnewspri
【摘要】:1.1Thisguideprovidesanapproachforboththecalculationandthesubstantiationofrecycledcontentoffinishedpackagingpaperandpaperboardproducts.Amassbalanceapproachisrecommendedforusebymanufacturerssincenophysicalorchemicaltestmethodiscurrentlyavailabletodetermineabsoluterecycledcontentofafinishedpaperproduct.1.2Thisguidecovers(1)recycledcontentofpackagingpaperandpaperboardproductsthatcontainanyamountorkindofrecycledfiber;and(2)methodstocalculateandsubstantiatethelevel(s)ofrecycledfibercontentclaimedbyanagreementbetweenthebuyerandtheseller.1.2.1Thisguidemaybeusedwithorwithoutmodificationtocalculateorsubstantiatetherecycledcontentofpackagingpaperandpaperboardproductswhenrecoverednonfibrousmaterials(forexample,filler)areapartoftherecycledfiberfurnish.Limitedguidanceisprovidedforappropriatemodificationstothisguideforthedeterminationofamountofrecyclednonfibrousmaterialsinpaperproducts.1.3Thisguidedoesnotrecommendeitheranamountorakindofrecycledfiberormaterialtousesince(1)theamountandkindofrecycledcontentinapackagingpaperorpaperboardproductshouldbeagreeduponbetweenthebuyerandtheseller,and(2)thecalculationandsubstantiationproceduresrecommendedmaybeusedforanyamountorkindofrecycledmaterialagreeduponbetweenthebuyerandtheseller.1.4Themassbalancecalculationmethodrecommendedbythisguidemayormaynotcomplywithapplicablefederal,state,orlocallawsforrecycledcontentstatementsintendedtobereceivedbyconsumers.LimitedguidanceoncontentstatementsisinAppendixX1.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section10,ofthisguide:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:



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