【英文标准名称】:Ambientair-Determinationofmassconcentrationofnitrogendioxide-ModifiedGriess-Saltzmanmethod
【原文标准名称】:环境空气二氧化氮质量浓度的测定改良的格里斯-萨尔兹曼法
【标准号】:ISO6768-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:环境空气;污染物浓度;采样设备;空气质量;质量;二氧化氮;空气纯度;含量测定;空气;化学分析和试验;试验设备
【英文主题词】:Air;Airpurity;Airquality;Ambientair;Chemicalanalysisandtesting;Determinationofcontent;Nitrogendioxide;Pollutantconcentration;Quality;Saltzman;Samplingequipment;Testequipment
【摘要】:ThisInternationalStandardspecifiesamodifiedGriess-Saltzmanmethodforthedeterminationofthemassconcentrationofnitrogendioxidepresentinambientair.Themethodisapplicabletothedeterminationofthemassconcentrationofnitrogendioxidepresentinambientandconfinedairwithintherange0,003mg/mto2mg/mandforsamplingtimesbetween10minand2h.Substancespresentintheairmassunderinvestigation,andthusintheairsample,andknowntohaveaneffectontheinstrumentreading,aregivenin7.4.Informationontheperformancecharacteristicsisgivenin8.2.Themethodisnotsuitableforpersonalbreathing-zonesampling.TheGriess-Saltzmanmethodissuitablefortheanalyticalcheckofcalibrationgasmixtureswhichareusedtocalibratechemiluminescenceanalysers(seeISO7996).
【中国标准分类号】:C51
【国际标准分类号】:13_040_20
【页数】:10P;A4
【正文语种】:英语