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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

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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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Product Code:SAE AMS3226
Title:Acrylonitrile Butadiene (Nbr) Rubber, Hot Oil and Coolant Resistant, Low Swell, 45-55
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a nitrile (NBR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. Primarily for hose, packings, bushings, grommets, and seals in contact with hot, petroleum-base lubricating oils and glycol-type coolants from -40 degrees to +100 degrees C (-40 degrees to +212 degrees F).
基本信息
标准名称:出口圆板牙检验规程
英文名称:Rules for the inspection of circular screwing dies for export
中标分类: 机械 >> 工艺装备 >> 刀具
发布部门:中华人民共和国国家质量监督检验检疫总局
发布日期:2002-01-16
实施日期:2002-06-01
首发日期:1900-01-01
作废日期:1900-01-01
起草单位:中华人民共和国国家认证认可监督管理委员会
出版日期:1900-01-01
页数:平装16开, 页数:6, 字数:8千字
适用范围

本标准规定了出口圆板牙的抽样、检验及检验批质量结果判定的方法。本标准适用于出口原板牙的检验。

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所属分类: 机械 工艺装备 刀具