【英文标准名称】:Waterquality-Evaluationofultimateaerobicbiodegradabilityoforganiccompoundsinaqueousmedium-Carbondioxideevolutiontest
【原文标准名称】:水质水介质中有机化合物最终有氧生物降解能力的评价二氧化碳变化试验
【标准号】:ISO9439-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:水;定义;有机化合物;水质;测定;试验;试验;微生物;测量技术;有机物质;好气菌;质量;测量;降解能力;生物降解能力
【英文主题词】:Aerobicbacteria;Analysis;Biodegradability;Carbondioxide;Chemistryofwater;Concentration;Definitions;Degradability;Determination;Determinationofcontent;Measurement;Measuringtechniques;Microorganisms;Organiccompounds;Organicmatters;Quality;Standardmethods;Testing;Water;Waterpollution;Waterpractice;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiesamethod,bydeterminationofcarbondioxide(CO2),fortheevaluationinanaqueousmediumoftheultimatebiodegradabilityoforganiccompoundsatagivenconcentrationbyaerobicmicroorganisms.Themethodappliestoorganiccompoundswhichare:a)water-solubleundertheconditionsofthetest,inwhichcaseremovalofDOCmaybedeterminedasadditionalinformation(seeannexD);b)poorlywater-solubleundertheconditionsofthetest,inwhichcasespecialmeasuresmaybenecessarytoachievegooddispersionofthecompound(see,forexample,ISO10634);c)non-volatileorwhichhaveanegligiblevapourpressureundertheconditionsofthetest;NOTEForvolatilesubstancesuseforexampleISO9408orISO14593.d)notinhibitorytothetestmicroorganismsattheconcentrationchosenforthetest.NOTEThepresenceofinhibitoryeffectscanbedeterminedasspecifiedin8.3,orbyusinganyothermethodfordeterminingtheinhibitoryeffectofacompoundonbacteria(see,forexample,ISO8192).
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:17P.;A4
【正文语种】:英语