【英文标准名称】:Fertilizers-Determinationofchelatingagentsinfertilizersbyionchromatography-EDTA,HEDTAandDTPA
【原文标准名称】:肥料.用离子色谱测定肥料中的螯合剂.EDTA,HEDTA,DTPA.
【标准号】:BSEN13368-1-2001
【标准状态】:现行
【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】:化学分析和试验;化学试剂;肥料;离子交换色谱法;螯合剂;EDTA;色谱法;液相色谱法;含量测定
【英文主题词】:Chelatingagents;Chromatography;Determination;Determinationprocedures;EDTA;Fertilizers;Ion-exchangechromatography;Soilimprovingmaterials;Testing
【摘要】:ThismethoddescribestheprocedurefortheionchromatographicdeterminationofthetotalamountofeachoftheindividualchelatingagentsEDTA,HEDTA,andDTPAinfertilizerscontainingoneormoreofthesesubstances.Themethodallowstheidentificationandthedeterminationofthetotalwatersolublefractionofeachofthesechelatingagents.Itdoesnotallowtodistinguishbetweenthefreeformandthemetalboundformofthechelatingagents.NOTEEDTA,HEDTAandDTPAareabbreviationsusedinthestandardforthesakeofsimplicity.ForcompletenamesseeannexA.Thismethodappliestofertilizerscontainingchelatesofoneormoreofthefollowingmicro-nutrients:cobalt,copper,iron,manganese,zincandwithamassfractionofatleast0,1%.
【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


Product Code:SAE AMS7456
Title:Studs, Low-Alloy Steel Heat Treated, Rolled Threaded (Uns G87400) (Cancelled Jul 2002)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope: