【英文标准名称】:Fertilizers-Determinationofchelatingagents-Determinationofironchelatedbyo,p-EDDHAbyreversedphaseHPLC;GermanversionEN15452:2008
【原文标准名称】:肥料.螯合剂的测定.用反相高效液相色谱法测定o、p-EDDHA螯合的铁
【标准号】:DINEN15452-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螯合剂;色谱法;测定;测量规程;肥料;高效液相色谱法;HPLC;铁;样品制备;样本制备;抽样方法;土壤改良物质;试样制备;测试
【英文主题词】:Chelatingagents;Chromatography;Determination;Determinationprocedures;Fertilizers;Highperformanceliquidchromatography;HPLC;Iron;Samplepreparation;Samplingmethods;Soilimprovingmaterials;Specimenpreparation;Testing
【摘要】:ThisEuropeanStandardspecifiesamethodforthechromatographicdeterminationoftheamountofironchelatedbyeachoftheindividualisomersofthechelatingagentortho-paraEDDHA(O,p-EDDHA)infertilizersThemethodallowstheidentificationofthischelatingagentandthedeterminationofthewatersolublefractionofironchelatedbythischelatingagent,ThemethodisnotapplicableforthedeterminationoftheamountoffreechelatingagentNOTE1Thismethodhasbeenshowntobealsosuitableforthedeterminationoftheamountofironchelatedbyeachoftheindividualisomersofthechelatingagentortho-orthoEDDHA(o,o-EDDHA)infertilizers.NOTE2O,o-EDDHAando,p-EDDHAareabbreviationsusedinthisEuropeanStandardforthesakeofsimplicity,ForcompletenamesseeAnnexC.NOTE3ThesubstancesO,o-EDDHAandO,p-EDDHAbothexistasdifferentstereoisomers.ForO,o-EDDHAamesoformandad/Ipair(theracemicisomers)exist,forO,p-EDDHAtwodifferentd/Ipairsexist.Allfourstereoisomersareobservedseparatelyinthismethod.NOTE4Cureniyananalyticaqlypurestandardonlyexistsforo,o-EDDHA.ThemethodforO,p-EDDHAhasbeendevelopedwithanO,p-EDDHAstandardcontaininganuncertainconcentrationofO,p-EDDHA.
【中国标准分类号】:B10
【国际标准分类号】:65_080
【页数】:15P.;A4
【正文语种】:德语


Product Code:SAE AMSQQA250/13
Title:Aluminum Alloy Alclad 7075, Plate and Sheet (Cancelled Jul 2011)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers the specific requirements for 7075 aluminum alloy alclad plate and sheet; the general requirements are covered in AMS-QQ-A-250. The plate and sheet covered by this specification shall be an integral composite product consisting of a heat-treatable aluminum alloy (7075) core with thin layers of an aluminum alloy (7072) anodic to the core and of approximately equal thickness bonded to both surfaces.