【英文标准名称】:StandardPracticeforIdentificationofChemicalsinWaterbyFluorescenceSpectroscopy
【原文标准名称】:用荧光光谱测定法对水中化学品的鉴别
【标准号】:ASTMD4763-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:药液;测定;荧光测定法;水;水组分
【英文主题词】:fluorescencespectroscopy;spectralidentification
【摘要】:1.1Thispracticeallowsfortheidentificationof90chemicalsthatmaybefoundinwaterorinsurfacelayersonwater.Thispracticeisbasedontheuseofroom-temperaturefluorescencespectratakenfromlistsdevelopedbytheU.S.EnvironmentalProtectionAgencyandtheU.S.CoastGuard().Ref()istheprimarysourceforthesespectra.Thispracticeisalsobasedontheassumptionthatsuchchemicalsareeitherpresentinaqueoussolutionorareextractedfromwaterintoanappropriatesolvent.1.2Althoughmanyorganicchemicalscontainingaromaticrings,heterocyclicrings,orextendedconjugateddouble-bondsystemshaveappreciablequantumyieldsoffluorescence,thispracticeisdesignedonlyforthespecificcompoundslisted.Ifpresentincomplexmixtures,preseparationbyhigh-performanceliquidchromatography(HPLC),columnchromatography,orthin-layerchromatography(TLC)wouldprobablyberequired.1.3IfusedwithHPLC,thispracticecouldbeusedfortheidentificationoffluorescencespectrageneratedbyopticalmultichannelanalyzers(OMA)ordiode-arraydetectors.1.4Forsimplemixtures,orinthepresenceofothernonfluorescingchemicals,separatorytechniquesmightnotberequired.Theexcitationandemissionmaximumwavelengthslistedinthispracticecouldbeusedwithstandardfluorescencetechniques(Refs)toquantitatetheseninetychemicalsonceidentificationhadbeenestablished.Forsuchuses,generationofacalibrationcurve,todeterminethelinearrangeforuseoffluorescencequantitationwouldberequiredforeachchemical.Examinationofsolventblankstosubtractoreliminateanyfluorescencebackgroundwouldprobablyberequired.Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Imagingmaterials-Photographicfilms-Specificationsforsafetyfilm
【原文标准名称】:成像材料照相胶片安全胶片规范
【标准号】:ISO18906-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-12
【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/TC42
【标准类型】:()
【标准水平】:()
【中文主题词】:安全影片;试验;定义;感光的;摄影胶片;记录媒体;影片;摄影;测定;材料;数字
【英文主题词】:Cinematography;Definition;Definitions;Determinations;Figures;Films;Fire-resistantmaterials;Flammability;Ignitability;Ignition;Inflammable;Marking;Materials;Materialsspecification;Motion-picturefilm;Motion-picturetechnics;Phototechnology;Photographicfilm;Photography;Photosensitive;Recordingmedia;Safety;Safetyfilms;Specification(approval);Specifications;Testing;Tests
【摘要】:ThisInternationalStandardprovidesspecificationsandtestproceduresforestablishingthesafetyofphotographicfilmswithrespecttohazardsfromfire.Thespecificationsareapplicabletobothunprocessedandprocessedfilmsonanytypeofcurrentlyknownplasticsupport.Thesespecificationscoversilverfilms(bothgelatinandnon-gelatintypes),colourfilms,diazofilms,vesicularfilms,andstripedorfull-widthmagneticfilms.Magnetictapesandvideorecordingtapesareexcluded.AfieldtestforburningbehaviourisdescribedininformativeannexB,andmethodsofmarkingfilmaredefinedininformativeannexC.Asimpletesttodistinguishnon-safetynitrate-basefilmfromcelluloseesterandpolyester-basefilmisgivenininformativeannexD.note:1)Normally,unprocessedandprocessedfilmshavethesamesafetycharacteristics,soeitheronemaybetestedforconformancetothesespecifications.Ifanadditionaltreatment,suchasalacquercoating,hasbeenappliedafterprocessing,thesafetycharacteristicsmayormaynotbeaffected.Incaseofdoubt,bothunprocessedandprocessedfilmsmustbetested.
【中国标准分类号】:G81
【国际标准分类号】:37_040_20
【页数】:8P.;A4
【正文语种】:英语