ISO 7766-2003 摄影冲洗废液.氰化物分析.用光谱法测定六氰基高铁酸盐(Ⅱ)和六氰基高铁酸盐(Ⅲ)
时间:2024-05-18 13:22:48 来源: 标准资料网 作者：标准资料网 阅读：9145
【英文标准名称】:Processingphotographicwastes-Analysisofcyanides-Determinationofhexacyanoferrate(II)andhexacyanoferrate(III)byspectrometry
【原文标准名称】:摄影冲洗废液.氰化物分析.用光谱法测定六氰基高铁酸盐(Ⅱ)和六氰基高铁酸盐(Ⅲ)
【标准号】:ISO7766-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC42
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱测定法;危险物质;摄影材料;安全;化学反应;照相药品;氰化物;化学残余物;危险的可裂变物质;摄影;含量测定;污水;废弃物
【英文主题词】:Chemicalreactions;Chemicalresidues;Cyanides;Dangerousmaterials;Dangerousstuffs;Determinationofcontent;Photographicchemicals;Photographicmaterials;Photography;Safety;Sewage;Spectrometry;Wastes
【摘要】:ThisInternationalStandardestablishesatestmethodforthedeterminationofhexacyanoferrate(II)(ferrocyanide)andhexacyanoferrate(III)(ferricyanide),referredtohereafterasFe(CN)6,inphotographicprocessingeffluents.Resultsarereportedashexacyanoferrate,Fe(CN)6.note:1)Significantlevelsofthiosulfate(hypo)canresultininterference.Significantlevelsofthiosulfateinprocessing-machineeffluentsresultinoxidationofthethiosulfatebyiron(III).Sulfurwillform,increasingthespectrophotometricabsorbancewhichismeasured.Also,thiosulfatemaydepletetheaddediron(III)leavingnothingforthecolourreaction.Themethodisapplicabletoeffluentsfrombuildingswherethethiosulfatewouldbedilutedbytherestofthebuildingwastesandthiswouldeliminatetheinterference.
【中国标准分类号】:G84
【国际标准分类号】:13_030_30;37_040_30
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-10:Applicationlayerservicedefinition-Type10elements
【原文标准名称】:工业通讯网络.数据总线规范.第5-10部分:应用层设备定义.10型元件
【标准号】:IEC61158-5-10-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;OSI;过程控制工程;服务设施;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms."Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictotype10fieldbus.Theterm“time-critical"isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevariousTypesofIEC61158,andthecorrespondingprotocolsstandardizedinsubpartsofIEC61158-6.ThisspecificationmaybeusedasthebasisforformalApplicationProgramming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisconformanceofequipmenttothisapplicationlayerservicedefinitionstandardmainlyachievedthroughimplementationofthemodeledbehaviorofanapplicationlayeruser(e.g.seeuserstatemachines)accompaniedbyimplementationofconformingapplicationlayerprotocolsthatfulfilltheapplicationlayerservicesasdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_70;35_160
【页数】:760P;A4
【正文语种】:英语