【英文标准名称】:Waterquality.Guidanceforthepreparationandtreatmentofpoorlywater-solubleorganiccompoundsforthesubsequentevaluationoftheirbiodegradabilityinanaqueousmedium
【原文标准名称】:水质.水介质生物降解能力的连续测定用难溶于水的有机化合物的处理和制备导则
【标准号】:BSENISO10634-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-01-15
【实施或试行日期】:1996-01-15
【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】:好气菌;生物降解能力;降解能力;测定;指导手册;几乎不溶;介质;有机化合物;有机物质;污染控制;测试;处理;水;水质分析;水污染;水常规(实验);水质;水质测试
【英文主题词】:Aerobicbacteria;Biodegradability;Degradability;Determination;Guidebooks;Hardlysoluble;Media;Organiccompounds;Organicmatters;Pollutioncontrol;Testing;Treatment;Water;Wateranalysis;Waterpollution;Waterpractice;Waterquality;Watertesting
【摘要】:ThisInternationalStandarddescribesfourtechniquesforpreparingpoorlywater-solubleorganiccompoundsandintroducingthemintotestvesselsforasub-sequenttestonbiodegradabilityinanaqueousme-diumusingstandardmethods.Thetestcompoundsconcernedarenotsufficientlysolubleinwatertoperformthebiodegradabilitytestsinthenormalman-ner,asdescribedintherespectivetestmethodsindi-catedinclause2.Thepreparationtechniquesareasfollows:—directaddition(clause3):thistechniqueisre-strictedtonon-volatiletestcompoundsifinertsupportsorsolventsareused;—ultrasonicdispersion(clause4):thistechniquemaybeappliedtonon-volatileliquidandsolidcompounds;—adsorptiononaninertsupport(clause5);—dispersionsoremulsionswithanemulsifyingagent(clause6).Thesubsequenttestsonbiodegradabilityareprimarilymethodsusingtheanalysisofthereleasedcarbondioxide(seeISO9439)andthedeterminationoftheoxygenconsumption(seeISO9408).ThisInter-nationalStandarddoesnotdescribethetestmethods;itisrestrictedtodescribingthetechniquesforintro-ducingthetestsubstancesintothetestmediumandtokeeptheminadispersedstate.Thesetechniquesareimplementedwhileobservingtheexperimentalconditionsdescribedinthestandardizedmethodsforevaluatingbiodegradability.ItshouldbenotedthatvolatilechemicalsmaynotbetestedbythecarbondioxidemethodspecifiedinISO9439.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:16P;A4
【正文语种】:英语