ASTM D858-2007 水中锰的标准试验方法

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【英文标准名称】:StandardTestMethodsforManganeseinWater
【原文标准名称】:水中锰的标准试验方法
【标准号】:ASTMD858-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含量测定;锰;涂漆;涂料;测试;水
【英文主题词】:atomicabsorption;chelation;flame;graphitefurnace;manganese;water
【摘要】:Elementalconstituentsinpotablewater,receivingwater,andwastewaterneedtobeidentifiedforsupportofeffectivepollutioncontrolprograms.TestMethodsA,B,andCprovidethetechniquesnecessarytomakesuchmeasurements.Althoughinhaledmanganesedustshavebeenreportedtobetoxictohumans,manganesenormallyisingestedasatracenutrientinbothfoodandwater.Becauseitisconsideredtoberelativelynontoxictoman,aswellasaquaticlife,alimitof50x03BC;g/LhasbeenestablishedintheEPANationalSecondaryDrinkingWaterRegulations.Thislimitisbasedprimarilyonitsabilitytostainlaundryandproduceobjectionabletastesinbeverages.Manganesedoesnotoccurnaturallyasametalbutisfoundinvarioussaltsandminerals,frequentlyinassociationwithironcompounds.ManganeseisnotminedintheUnitedStatesexceptwhenmanganeseiscontainedinironoresthataredeliberatelyusedtoformferro-manganesealloys.Manganesesaltsareusedasfertilizeradditivesandarecommonlyfoundinsurfaceandgroundwaters.1.1Thesetestmethodscovertheatomicabsorptiondeterminationofdissolvedandtotalrecoverablemanganeseinwaterandcertainwastewaters.Threetestmethodsaregivenasfollows:TestMethodConcentrationRangeSectionsA-AtomicAbsorption,Direct0.1to5mg/L7to15B-AtomicAbsorption,Chelation-Extraction10to500g/L16to24C-AtomicAbsorption,GraphiteFurnace5to50g/L25to33
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【英文标准名称】:TestmethodsforanalysisofleadinPVCtakenfrominsulationandsheathofelectricandopticalfibrecables-MethodA:Totalleadcontentdeterminationwithflameexcitationatomicabsorptionspectrometry-MethodB:Qualitativeanalysisofleadbyle
【原文标准名称】:聚氯乙烯绝缘和护套光电纤维电缆中铅含量分析试验方法.方法A:用火焰原子吸收分光光度测定含铅总量.方法B:硫化铅斑渍中铅的定性分析
【标准号】:DINEN50414-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-03
【实施或试行日期】:2007-03-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_035_20
【页数】:15P.;A4
【正文语种】:德语


【英文标准名称】:Informationtechnology-Iconsymbolsandfunctionsforcontrollingmultimediasoftwareapplications
【原文标准名称】:信息技术.控制多媒体软件应用的影象符号和功能
【标准号】:ISO/IEC18035-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:屏幕显示;符号;显示装置(计算机);计算机软件;定义;影象;信息技术;多媒体;图形符号;数据处理
【英文主题词】:Computersoftware;Dataprocessing;Definition;Definitions;Displaydevices(computers);Graphicsymbols;Icons;Informationtechnology;Multimedia;Screendisplay;Symbols
【摘要】:ISO/IEC18035appliestoiconsthatareshownonacomputerscreen,thatuserscanmanipulateandinteractwith,andthatrepresentcomputersystemfunctions.ISO/IEC18035describesuserinteractionwithandtheappearanceofmultimediacontroliconsonthescreen.OtherformsoficonsarecoveredinISO/IEC11581—Informationtechnology—Usersysteminterfacesandsymbols—Iconsymbolsandfunctions.Thisinternationalstandarddefinesaconsistentsetoficonsandrelatedfunctionsthatarepresentedbymultimediaapplicationsonacomputerscreenandthatusersinteractwithtocontrolsuchapplications.Thesecontroliconstypicallyrepresentactionsbyassociationwithconventionalcontrolsonhardwaredevices(forexamplevideorecordersandcompactdiskplayers)thatprompttheusertorecalltheintendedactions.Thisstandardprovidesaconsistentsetofcontrolsforsuchfunctionsas:Play,Pause,Stop,Rewind,Fastforward,Scanforward,Scanbackward,Replay,Playbackward,Loop,Record,Gotobeginning,Gotoprevious,Gotonext,Gotoend,SetvolumeandMute.
【中国标准分类号】:L81
【国际标准分类号】:35_240_20
【页数】:20P;A4
【正文语种】:英语