【英文标准名称】:Earth-movingmachinery;tractors;terminologyandcommercialspecifications;amendment1
【原文标准名称】:第1次修改
【标准号】:ISO6747AMD1-1989
【标准状态】:作废
【国别】:国际
【发布日期】:1989-07
【实施或试行日期】:1989-07-01
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;词汇;牵引车;土方机械
【英文主题词】:earthmovingequipment;earth-movingequipment;tractors;vocabulary;definitions
【摘要】:
【中国标准分类号】:T60
【国际标准分类号】:3685
【页数】:1P;A4
【正文语种】:英语


【英文标准名称】:Fertilizers-Determinationofchelatingagents-Determinationofironchelatedbyo,p-EDDHAbyreversedphaseHPLC
【原文标准名称】:肥料.测定螯合剂.用反相色谱法测定o、p-EDDHA螯合铁
【标准号】:BSDDCEN/TS15452-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-12-29
【实施或试行日期】:2006-12-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【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;高效液相色谱分析法;铁;样本制备;抽样方法;土壤改良物质;试样制备;试验
【英文主题词】:Chelatingagents;Chromatography;Determination;Determinationprocedures;Fertilizers;Highperformanceliquidchromatography;HPLC;Iron;Samplepreparation;Samplingmethods;Soilimprovingmaterials;Specimenpreparation;Testing
【摘要】:ThisTechnicalSpecificationspecifiesamethodforthechromatographicdeterminationoftheamountofironchelatedbyeachoftheindividualisomersofthechelatingagentortho-paraEDDHA(o,p-EDDHA)infertilizers.Themethodallowstheidentificationofthischelatingagentandthedeterminationofthewatersolublefractionofironchelatedbythischelatingagent.Themethodisnotapplicableforthedeterminationoftheamountoffreechelatingagent.NOTE1Thismethodhasbeenshowntobealsosuitableforthedeterminationoftheamountofironchelatedbyeachoftheindividualisomersofthechelatingagentortho-orthoEDDHA(o,o-EDDHA)infertilizers.NOTE2o,o-EDDHAando,p-EDDHAareabbreviationsusedinthisstandardforthesakeofsimplicity.ForcompletenamesseeAnnexC.NOTE3Thesubstanceso,o-EDDHAando,p-EDDHAbothexistasdifferentstereoisomers.Foro,o-EDDHAamesoformandad/lpair(theracemicisomers)exist,foro,p-EDDHAtwodifferentd/lpairsexist.Allfourstereoisomersareobservedseparatelyinthismethod.NOTE4Presently,ananalyticallypurestandardonlyexistsforo,o-EDDHA.Themethodforo,p-EDDHAhasbeendevelopedwithano,p-EDDHAstandardcontaininganuncertainconcentrationofo,p-EDDHA.
【中国标准分类号】:B10;G20
【国际标准分类号】:65_080
【页数】:16P;A4
【正文语种】:英语