【英文标准名称】:StandardPracticeforUsingFlamePhotometricDetectorsinGasChromatography
【原文标准名称】:在气相色谱法中使用火焰光度检测器的标准实施规程
【标准号】:ASTME840-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:E13.19
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:flameionizationdetector(FID);flamephotometricdetectors(FPD);gaschromatography(GC);packedcolumns;supercriticalfluidchromatography(SFC)
【摘要】:1.1Thispracticeisintendedasaguidefortheuseofaflamephotometricdetector(FPD)asthedetectioncomponentofagaschromatographicsystem.1.2ThispracticeisdirectlyapplicabletoanFPDthatemploysahydrogen-airflameburner,anopticalfilterforselectivespectralviewingoflightemittedbytheflame,andaphotomultipliertubeformeasuringtheintensityoflightemitted.1.3ThispracticedescribesthemostfrequentuseoftheFPDwhichisasanelement-specificdetectorforcompoundscontainingsulfur(S)orphosphorus(P)atoms.However,nomenclaturedescribedinthispracticearealsoapplicabletousesoftheFPDotherthansulfurorphosphorusspecificdetection.1.4ThispracticeisintendedtodescribetheoperationandperformanceoftheFPDitselfindependentlyofthechromatographiccolumn.However,theperformanceofthedetectorisdescribedintermswhichtheanalystcanusetopredictoverallsystemperformancewhenthedetectoriscoupledtothecolumnandotherchromatographicsystemcomponents.1.5Forgeneralgaschromatographicprocedures,PracticeE260shouldbefollowedexceptwherespecificchangesarerecommendedhereinforuseofanFPD.1.6solely-SI-units;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyinformation,seeSection,Hazards.
【中国标准分类号】:
【国际标准分类号】:17_180_30;71_040_50
【页数】:12P.;A4
【正文语种】:


【英文标准名称】:Masonryandmasonryproducts-Methodsfordeterminingdesignthermalvalues;GermanversionEN1745:2002
【原文标准名称】:石工和石工产品.测定设计热值的方法;德文版本EN1745:2002
【标准号】:DINEN1745-2002
【标准状态】:作废
【国别】:德国
【发布日期】:2002-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:热传递系数;额定值;数学计算;计算数据;砌砖工作;导热性;热阻;砖;热防护;定义;计算方法;灰浆;建筑;砖石工程;测定
【英文主题词】:Bricks;Brickwork;Calculatingdata;Construction;Definition;Definitions;Determination;Masonry;Mathematicalcalculations;Methodsofcalculation;Mortars;Ratings;Thermalconductivity;Thermalprotection;Thermalresistance;Thermaltransmissioncoefficient;Thermaltransmittance
【摘要】:Thedocumentgivesproceduresforthedeterminationofdesignthermalvalues(thermalresistanceand/orthermalconductivity)ofmasonryandmasonryproducts.
【中国标准分类号】:P21
【国际标准分类号】:91_080_30;91_120_10
【页数】:55P.;A4
【正文语种】:德语