【英文标准名称】:Roadmarkingmaterials-Qualitycontrol-Part3:Performanceinuse;GermanversionENV13459-3:1999
【原文标准名称】:道路标志材料.质量控制.第3部分:使用性能;德文版本ENV13459-3:1999
【标准号】:DINVENV13459-3-1999
【标准状态】:作废
【国别】:德国
【发布日期】:1999-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P66
【国际标准分类号】:93_080_20
【页数】:21P;A4
【正文语种】:德语


【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】: