【英文标准名称】:Gardenequipment-Handheld,integrallypoweredhedgetrimmers-Safety;GermanversionEN774:1996
【原文标准名称】:园艺机具.手提式电机驱动的树墙修剪机.安全性
【标准号】:DINEN774-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-08
【实施或试行日期】:
【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】:定义;安全;振动;危害;机械工程;交付使用;林业;园艺机具;手柄;电接触保护;接触安全装置;农业机械;作标记;操作元件;树墙修剪机;高温防护;切割装置;安全要求;噪声;安全工程;容许的;便携的;电气安全;维修
【英文主题词】:
【摘要】:
【中国标准分类号】:B91
【国际标准分类号】:65_060_80
【页数】:16P;A4
【正文语种】:德语


【英文标准名称】:Fertilizers-Determinationofchelatingagentsinfertilizersbyionchromatography-EDDHAandEDDHMA
【原文标准名称】:肥料.用离子色谱测定肥料中的鏊合剂.EDDHA,EDDHMA
【标准号】:BSEN13368-2-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-05-15
【实施或试行日期】:2001-05-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:液相色谱法;色谱法;螯合剂;离子交换色谱法;肥料;化学试剂;化学分析和试验;含量测定
【英文主题词】:Chelatingagents;Chromatography;Cobalt;Copper;Determination;Determinationprocedures;Fertilizers;Ion-exchangechromatography;Iron;Manganese;Soilimprovingmaterials;Testing;Zinc
【摘要】:Thismethoddescribestheprocedurefortheionchromatographicdeterminationofthetotalamountofeachoftheindividualortho-orthoisomerofthechelatingagentsEDDHAandEDDHMAinfertilizerscontainingoneorbothofthesesubstances.Themethodallowstheidentificationandthedeterminationofthetotalwatersolublefractionofeachofthesechelatingagents.Itdoesnotallowtodistinguishbetweenthefreeformandthemetalboundformofthechelatingagents.NOTE1EDDHAandEDDHMAareabbreviationsusedinthisstandardforthesakeofsimplicity.ForcompletenamesseeannexA.NOTE2ThesubstancesEDDHAandEDDHMAexistunderseveraldifferentisomericforms.Positionalisomers(ortho,meta,andparaforms)aswellasstereoisomers(mesoanddlforms)areknown.Thismethodappliestofertilizerscontainingchelatesofoneormoreofthefollowingmicro-nutrients:cobalt,copper,iron,manganese,zincandwithamassfractionofatleast0,1%.NOTE3Atpresent,analyticallypurestandardsonlyexistforortho-orthoEDDHA.Allothersubstancesbeingunavailableasastandard,theinfluenceoftheireventualpresenceinthesamples(withrespecttothesensitivityandtheselectivityofthismethod)hasnotbeenstudied.ForEDDHMA,themethodhasbeendevelopedwithsamplesofironEDDHMAofuncertainpurityandcomposition,anystandardproductbeingunavailable.NOTE4Inthechromatographicconditionsofthismethod,thestereoisomersofEDDHAandEDDHMAareelutingtogetherasasinglepeak.Usinganeluentwithalowerexchangestrength,themesoandthedlformsofEDDHAandEDDHMAcanbeseparated.
【中国标准分类号】:B13
【国际标准分类号】:65_080
【页数】:14P.;A4
【正文语种】:英语