ASTM E449-2008 氯化钙分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforAnalysisofCalciumChloride
【原文标准名称】:氯化钙分析的标准试验方法
【标准号】:ASTME449-2008
【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】:analysis;atomicabsorption;calciumchloride;calciumhydroxide;magnesiumchloride;potassiumchloride;Atomicabsorptionspectrometry(AAS);Calciumchloride;Calciumhydroxidecontent;Chemicalanalysis--chemicals;Chlorideanalysis--cleaningagents/
【摘要】:Calciumchlorideisavailableinvariousformsandpurities.Amajoruseisthede-icinganddustcontrolofroads.Itisalsousedinthecoalindustryfordustproofingandfreezeproofing,infoods,inelectrolyticcells,andinrefrigerationbrines.Thetestmethodslistedin1.2provideproceduresforanalyzingcalciumchloridetodetermineifitissuitableforitsintendeduse.1.1Thesetestmethodscovertheanalysisofcalciumchlorideandsolutions.1.2Proceduresaregivenforthedeterminationofcalciumchloride,magnesiumchloride,potassiumchloride,sodiumchloride,andcalciumhydroxide.Thetestmethodsappearinthefollowingorder:
Sections
CalciumChloride
8to16
MagnesiumChloride,PotassiumChloride,andSodiumChloride
17to26
CalciumHydroxide
27to33
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【英文标准名称】:Analysersystems-Guidanceformaintenancemanagement
【原文标准名称】:分析器系统.维护管理指南
【标准号】:IEC/TR62010-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-10-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC65D
【标准类型】:()
【标准水平】:()
【中文主题词】:改进;修正;数据分析;架设(施工作业);产品;系统;维修;合格;质量;分析;服务设施;管理;验收规范;生产;采办;质量保证体系;显影;质量管理;设计;合格试验;定义;规范(验收);质量保证
【英文主题词】:
【摘要】:Thistechnicalreportappliestoanalysersystems.1PurposeofthistechnicalreportThistechnicalreportiswrittenwiththeintentionofprovidinganunderstandingofanalysermaintenancetoindividualsfromanon-engineeringbackground.Itisalsodesignedasareferencesourcetoindividualsmorecloselyinvolvedwithmaintenanceofanalyticalinstrumentation,andprovidesguidanceonperformancetarget-setting,strategiestoimprovereliability,methodstomeasureeffectiveperformance,andtheorganizations,resourcesandsystemsthatneedtobeinplacetoallowthistooccur.Effectivemanagementofon-lineanalysersisonlypossiblewhenkeycriteriahavebeenidentified,andtoolsformeasuringthesecriteriaestablished.On-lineanalysersareusedinindustryforoneofthefollowingreasons.2SafetyandenvironmentOnecategoryofanalysersarethoseusedtocontrolandmonitorsafetyandenvironmentalsystems.Thekeymeasuredparameterforthiscategoryofanalyserison-linetime.Thisisessentiallysimplertomeasurethanananalyser'scontributiontoprofitsbut,aswithprocessanalysersappliedforprofitmaximization,thecontributionwillbedependentupontheabilitytoperformitsfunctionalrequirementsupondemand.2.1AssetprotectionandprofitmaximizationOn-lineanalysersfallingintothiscategoryarenormallythoseimpactingdirectlyonprocesscontrol.Theymayimpactdirectlyonprotectionofassets(forexample,corrosion,catalystcontamination)orproductquality,ormaybeusedtooptimizetheoperationoftheprocess(forexample,energyefficiency).Forthiscategoryofanalysers,thekeymeasuredparameteriseitherthecostofdamagetoplantorthedirecteffectonoverallprofitoftheprocessunit.Justificationastowhetherananalysershouldbeinstalledontheprocessmaybesoughtbyquantifyingthepaybacktimeoftheanalyser,thepass/failtargettypicallybeing18months,althoughitshouldbenotedthatthecontributionoftheanalysertoreductionintheextentofdamageto,ortheprofitof,theprocessunitisdifficulttomeasure.However,thiscontributionwillbedependentupontheanalyser'sabilitytoperformitsfunctionalrequirementsupondemand.Thistechnicalreportfocusesonthecost/benefitsassociatedwithtraditionalanalysermaintenanceorganizations.Inamodernset-up,thecomplexityofanalysersdemandsonoccasiondatafromchemotriciansandscientistswhomaybeownedbyotherpartsoftheorganization,and,assuch,caremustbeexercisedtoincludetheircosts.2.2QuestionsthatneedtobeaddressedWhenconsideringon-lineanalysersystemsandtheirmaintenance,thefollowinglistofkeypointsisusefulinhelpingdecidewheregapsexistinthemaintenancestrategy.Additionally,astructuredmechanismbywhichthe"health"ofananalyserorganizationcanbeappraisedisprovidedinAppendix5.2.2.1.WhatistheUPTIMEofeachcriticalanalyser?(DoyoumeasureUPTIMEandmaintainrecords?Doyouknowthevalueprovidedbyeachanalyserandthereforewhichonesarecritical?Doyoumeetregularlywithoperations("thecustomer")toreviewpriorities?)2.2.2.WhatistheVALUEdeliveredbyeachanalyserintermsofprocessperformanceimprovement(i.e.improvedyieldfigures,improvedquality,improvedmanufacturingcycletimeand/orprocesscycletime,processsafety(forexample,interlocks),environmentalimportance)?(Isthisinformationreadilyavailableandagreedtoinmeetingswithoperations?Isthevalueupdatedperiodically?)2.2.3.Whatisthe"utilization"ofeachcriticalanalyser-thatis,iftheanalyserisusedinacontrolloop,whatpercentageofthetimeisthelooponmanualduetoquestionsabouttheanalyserdata?(Doyoukeeprecordsontheamountoftimethatanalyserloopsareinautomatic?Doyoumeetregularlywithoperationstoreviewtheoperatorsfeelingsaboutthe"believability"oftheanalyser
【中国标准分类号】:N61
【国际标准分类号】:71_040_10;71_060_99
【页数】:78P;A4
【正文语种】:英语


基本信息
标准名称:为ISDN用户提供始终保持/动态ISDN(AO/DI)业务的技术要求
英文名称:Technical requirement of Always On/Dynamic ISDN (AO/DI)service
中标分类: 电子元器件与信息技术 >> 信息处理技术 >> 数据信息
发布部门:中华人民共和国信息产业部
发布日期:2002-06-21
实施日期:2002-06-21
首发日期:
作废日期:
提出单位:信息产业部电信研究院
归口单位:信息产业部电信研究院
起草单位:信息产业部电信传输研究所、上海贝尔有限公司
起草人:高兰、石友康、谭立华等
出版社:人民邮电出版社
出版日期:2002-06-21
页数:28页
适用范围

本标准规定了AO/DI业务的体系结构、协议要求、业务流程、编号要求、主要设备/功能模块基本要求等。本标准适用于AO/DI业务的提供、设备开发和选型。

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所属分类: 电子元器件与信息技术 信息处理技术 数据信息