ASTM D4323-1984(2009) 通过反射变化的比率对空气中硫化氢的标准试验方法

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【英文标准名称】:StandardTestMethodforHydrogenSulfideintheAtmospherebyRateofChangeofReflectance
【原文标准名称】:通过反射变化的比率对空气中硫化氢的标准试验方法
【标准号】:ASTMD4323-1984(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1984
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmospheres;hydrogensulfide;tapesampler;Airpollution/toxicityassessment;Atmosphericanalysis;Fieldtesting--atmosphericanalysis;Healthhazards;Hydrogensulfide--atmosphericanalysis;Pollutants;Rateofchangeofreflection;Reflectanceand
【摘要】:Hydrogensulfideisanodoroussubstancewhichisoffensiveevenatlowconcentrationsintheatmosphereandtoxicathigherlevels.Itmaybeaproductofbiologicalprocessesintheabsenceofoxygen,asmayoccurinmunicipalgarbagelandfills.Itisemittedfromgeothermalsources,occursinoilandgas,andmaybeemittedfromindustrialprocesses.Measurementisrequiredforairpollutionstudies,forpollutioncontrol,andforplumecharacterization.Equipmentdescribedissuitableforfixedsiteorformobilemonitoring.1.1Thistestmethodcoverstheautomaticcontinuousdeterminationofhydrogensulfide(H2S)intheatmosphereoringaseoussamplesintherangefromonepartperbillionbyvolume(1ppb/v)to3000ppb/v.Informationobtainedmaybeusedforair-pollutionstudiesandtomonitorforemissionsources.1.2Therangemaybeextendedbyappropriatedilutiontechniquesorbyequipmentmodification.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(See6.2,6.3,and6.4forspecificsafetyprecautionarystatements.)
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:5P.;A4
【正文语种】:英语