【英文标准名称】:Soilquality.Determinationofeffectivecationexchangecapacityandbasesaturationlevelusingbariumchloridesolution
【原文标准名称】:土壤质量.用氯化钡溶液测定有效阳离子交换能力和基本饱和水平
【标准号】:BSENISO11260-2011
【标准状态】:现行
【国别】:英国
【发布日期】:1995-02-15
【实施或试行日期】:1995-02-15
【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】:
【英文主题词】:Barium;Bariumcompounds;Basenumber;Bases(chemical);Calcium;Cationexchange;Cations;Chemicalanalysisandtesting;Chemicalproperties;Chemicalsubstances;Chlorides;Compositionoftheground;Determination;Determinationofcontent;Electricalconductivity;Exchange;Exchangecapacity;Ionexchanges;Ionexchanging;Magnesium;pH;Physicalpropertiesofsoils;Potassium;Quality;Samplingmethods;Saturation;Saturationcoefficient;Sodium;Soilanalysis;Soilsampling;Soilsurveys;Soils;Spectrometry;Testing;Waterpractice
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthecationexchangecapacity(CEC)atthepHofthesoilandofthedeterminationofthecontentofexchangeablesodium,potassium,calciumandmagnesiuminsoil.ThisInternationalStandardisapplicabletoalltypesofair-driedsoilsamples;pretreatmentaccordingtoISO11464isrecommended.NOTE1Themethoddescribedsuffersfrominterferencefromcalciumascalciteorgypsuminthesample.Also,thepresenceofanysolublesaltsgivesvaluesfortheexchangeablecationsthatarehigherthantheactualexchangeableamounts[3],[4].NOTE2MeasurementofthespecificelectricalconductivityofthesoilsamplesaccordingtoISO11265willindicateifthesoilsamplesareaffectedbysalt.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10
【页数】:16P.;A4
【正文语种】:英语