您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »
热门标准
下载排行

ASTM D3872-2005 铁氧化物中亚铁的标准试验方法

作者:标准资料网 时间:2024-05-18 00:41:04  浏览:8806   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforFerrousIroninIronOxides
【原文标准名称】:铁氧化物中亚铁的标准试验方法
【标准号】:ASTMD3872-2005
【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】:D01.31
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂料;含量测定;试验;颜料;合成的;铁含量;黑色
【英文主题词】:ferrousironcontent;ironoxides;ferrousironcontent;pigment;ironoxides
【摘要】:Thistestmethodmaybeusedforproductionqualitycontrolorspecificationacceptance.1.1Thistestmethodcoversthequantitativedeterminationofferrousoxide(FeO)byoxidationofferrousiron(Fe++)inanacidsolutiontotheferricstate(Fe+++)andtitrationwithpotassiumdichromateusingdiphenylamineastheindicator.1.2Thistestmethodisapplicabletosyntheticblackironoxide,naturalblackironoxide,magnetiteorbrownironoxidewherepartoftheironcontentispresentintheferrousstate(Note1).Itisapplicabletoironoxideswheretheferrousironcontentrangesfrom50to0.20%.Note18212;NaturalironoxidesandmagnetitemaycontaintracesofmetallicironthatwillbecombinedwithandanalyzedasFeO.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcernsifany,problemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H11
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:


下载地址: 点击此处下载
返回跳至顶部
【英文标准名称】:Telecontrolequipmentandsystems-Part5-103:Transmissionprotocols-Companionstandardfortheinformativeinterfaceofprotectionequipment
【原文标准名称】:远动设备和系统第5部分:传输规约第103节:保护设备信息接口的配套标准
【标准号】:IEC60870-5-103-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【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/TC57
【标准类型】:()
【标准水平】:()
【中文主题词】:组织;数据传送;供能系统(建筑物);记录;信息交换;电网;传输协议;物理层;网络控制系统;兼容性;数据结构;通信系统;功能;保护设备;建筑自动化;传播技术;使用;常电压;能量;电气保护设备;配电;应用层;远程控制系统;接口(数据加工);可混用性;电能;遥控技术;高电压;信息;传输;定义;电气工程
【英文主题词】:Applicationlayer;Applications;Communicationsystems;Communicationtechnology;Compatibility;Controltechnology;Counters;Datastructures;Datatransfer;Definitions;Distributionofelectricity;Electricenergy;Electricpowernetworks;Electricalengineering;Electricalprotectionequipment;Encoding;Energy;Energysupplysystems(buildings);Functions;Highvoltage;Information;Informationexchange;Informationinterchange;Interfaces(dataprocessing);Mediumvoltage;Meterreading;Monitoringdevice;Networkcontrolsystem;Physicallayers;Protectiondevices;Protocols;Records;Remotecontroltechnology;Serialbybit;Structure;Telecontrolsystems;Texture;Transmission;Transmissionprotocol;Whitelayers
【摘要】:ThissectionofIEC60870-5appliestoprotectionequipmentwithcodedbitserialdatatransmissionforexchanginginformationwithcontrolsystems.Itdefinesacompanionstandardthatenablesinteroperabilitybetweenprotectionequipmentanddevicesofacontrolsysteminasubstation.ThedefinedcompanionstandardutilizesstandardsoftheIEC60870-5series.ThissectionofIEC60870-5presentsspecificationsfortheinformativeinterfaceofprotectionequipment.Thisstandarddoesnotnecessarilyapplytoequipmentthatcombinesprotectionandcontrolfunctionsinthesamedevicesharingasinglecommunicationport.ThissectionofIEC60870-5describestwomethodsofinformationexchange:thefirstisbasedonexplicitlyspecifiedAPPLICATIONSERVICEDATAUNITS(ASDUs)andapplicationproceduresfortransmissionof'standardized'messages,andthesecondusesgenericservicesfortransmissionofnearlyallpossibleinformation.The'standardized'messagesdonotcoverallpossibleprotectionfunctions,andfurthermoreaprotectiondevicemaysupportonlyasubsetofthemessagesspecifiedinthisstandard.Forinteroperabilitypurposes,inspecificapplications,thissubsethastobespecifiedinclause8.Theuseofpredefinedmessagesandapplicationproceduresismandatory,ifapplicable.Inothercasesgenericservicesshallbeused.The'privateranges'definedinthisstandardaremaintainedforcompatibilityreasons;however,theiruseisnotrecommendedforfutureapplications.
【中国标准分类号】:M54
【国际标准分类号】:33_200
【页数】:203P.;A4
【正文语种】:英语


【英文标准名称】:Plastics—Extrudedsheetsofimpactmodifiedacrylonitrile-styrenecopolymers(ABS,AEPDSandASA)—Requirementsandtestmethods
【原文标准名称】:塑料.冲击改良的丙烯腈-苯乙烯共聚物挤压片材(ABS,AEPDSandASA).要求与试验方法
【标准号】:ISO15015-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-01
【实施或试行日期】:2011-04-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:ABS;Acrylonitrile;Acrylonitrile-styrene;AES;ASA;Copolymers;Designations;Dimensions;Extruded;Extrudedproducts;Impactresistant;Labelling;Marking;Materialbehaviour;Materials;Mechanicalproperties;Mechanicaltesting;Panels;Plasticsheets;Plastics;Polymers;Properties;Semi-finishedproducts;Sheets;Specification;Specification(approval);Styrene;Testing;Thermaltest;Thermodynamicproperties
【摘要】:ThisInternationalStandardspecifiestherequirementsandtestmethodsforsolidflatextrudedsheetsofimpact-modifiedacrylonitrile-styrenecopolymermaterials:acrylonitrile-butadiene-styrene(ABS),acrylonitrile-(ethylene-propylene-diene)-styrene(AEPDS)(commonlyknownasAES)andacrylonitrile-styrene-acrylate(ASA),withoutfillersorreinforcingmaterials.ThisInternationalStandardalsoappliestoABS,AEPDSandASAsheetinrolledform.Itappliesonlytothicknessesfrom0,25mmto20,0mm.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:16P.;A4
【正文语种】:英语