ISO 9408-1999 水质通过在封闭的透气性测定器中需氧量的测定来评定有机化合物在水介质中的最大需氧生物降解能力的方法
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【英文标准名称】:Waterquality-Evaluationofultimateaerobicbiodegradabilityoforganiccompoundsinaqueousmediumbydeterminationofoxygendemandinaclosedrespirometer
【原文标准名称】:水质通过在封闭的透气性测定器中需氧量的测定来评定有机化合物在水介质中的最大需氧生物降解能力的方法
【标准号】:ISO9408-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【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】:生物降解能力;有机化合物;微生物;需氧量;试验;试验;质量;水;定义;测定
【英文主题词】:Aerobicbacteria;Biochemicaloxygendemand;Biodegradability;Chemistryofwater;Definitions;Degradability;Determination;Microorganisms;Organiccompounds;Organicmatters;Oxygendemand;Quality;Standardmethods;Testing;Water;Waterorganisms;Waterpollution;Waterpractice;Waterquality
【摘要】:ThisInternationalStandardspecifiesamethod,bydeterminationoftheoxygendemandinaclosedrespirometer,fortheevaluationinaqueousmediumoftheultimatebiodegradabilityoforganiccompoundsandwastewatersatagivenconcentrationbyaerobicmicroorganisms.Themethodappliestoorganiccompoundswhicha)arewater-solubleundertheconditionsofthetest;b)arepoorlywater-solubleundertheconditionsofthetest,inwhichcasespecialmeasuresmaybenecessarytoachievegooddispersionofthecompound(seeforexample,ISO10634);c)donotreachandreactwiththeCO2absorbent;d)arevolatile,providedthatasuitablerespirometerorsuitableconditions(e.g.asmallerratioofvolumeheadspacetovolumeliquidmedium)areused;e)arenotinhibitorytothetestmicroorganismsattheconcentrationchosenforthetest.Thepresenceofinhibitoryeffectscanbedeterminedasspecifiedin7.3,orbyusinganyothermethodfordeterminingtheinhibitoryeffectofacompoundonbacteria(see,forexample,ISO8192).NOTETheconditionsdescribedinthisInternationalStandarddonotalwayscorrespondtotheoptimalconditionsforallowingthemaximumdegreeofbiodegradationtooccur.Foralternativebiodegradationmethods,seeISO15462.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:18P.;A4
【正文语种】:英语
【原文标准名称】:水质通过在封闭的透气性测定器中需氧量的测定来评定有机化合物在水介质中的最大需氧生物降解能力的方法
【标准号】:ISO9408-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【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】:生物降解能力;有机化合物;微生物;需氧量;试验;试验;质量;水;定义;测定
【英文主题词】:Aerobicbacteria;Biochemicaloxygendemand;Biodegradability;Chemistryofwater;Definitions;Degradability;Determination;Microorganisms;Organiccompounds;Organicmatters;Oxygendemand;Quality;Standardmethods;Testing;Water;Waterorganisms;Waterpollution;Waterpractice;Waterquality
【摘要】:ThisInternationalStandardspecifiesamethod,bydeterminationoftheoxygendemandinaclosedrespirometer,fortheevaluationinaqueousmediumoftheultimatebiodegradabilityoforganiccompoundsandwastewatersatagivenconcentrationbyaerobicmicroorganisms.Themethodappliestoorganiccompoundswhicha)arewater-solubleundertheconditionsofthetest;b)arepoorlywater-solubleundertheconditionsofthetest,inwhichcasespecialmeasuresmaybenecessarytoachievegooddispersionofthecompound(seeforexample,ISO10634);c)donotreachandreactwiththeCO2absorbent;d)arevolatile,providedthatasuitablerespirometerorsuitableconditions(e.g.asmallerratioofvolumeheadspacetovolumeliquidmedium)areused;e)arenotinhibitorytothetestmicroorganismsattheconcentrationchosenforthetest.Thepresenceofinhibitoryeffectscanbedeterminedasspecifiedin7.3,orbyusinganyothermethodfordeterminingtheinhibitoryeffectofacompoundonbacteria(see,forexample,ISO8192).NOTETheconditionsdescribedinthisInternationalStandarddonotalwayscorrespondtotheoptimalconditionsforallowingthemaximumdegreeofbiodegradationtooccur.Foralternativebiodegradationmethods,seeISO15462.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:18P.;A4
【正文语种】:英语
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