卷烟主流烟气中苯酚测定的不确定度 Uncertainty in Determination of Phenol in Mainstream Cigarette Smoke.pdfVIP
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卷烟主流烟气中苯酚测定的不确定度 Uncertainty in Determination of Phenol in Mainstream Cigarette Smoke
烟草科技/TobaccoScience&Technology烟草化学/TobaccoChemistry 2013年第6期(总第311期)
卷烟主流烟气中苯酚测定的不确定度
黄光莉,林 琳。陶 里,曲亚玲。于 航,朱海军,方 一,唐雪梅
北京烟草质量监督检测站,北京市朝阳区樱花西街10号100029
摘要:为了提高检测结果的准确性,对高效液相色谱(HPLC)法测定卷烟主流烟气中苯酚的测量不确定
度进行了分析和评定,建立了测量不确定度评定的数学模型,确定了其测量不确定的来源。结果表明:
HPLC法测定卷烟主流烟气中苯酚的测量不确定度主要来源为抽吸过程、测量重复性和标准溶液的配制
过程;测量结果的标准不确定度为0.2
Pg/支,在95%的置信度下,取包含因子为南=2,其扩展不确定度为
0.4lag/支。
关键词:高效液相色谱法;主流烟气;苯酚;不确定度
中图分类号:TS411.2文献标识码:A文章编号:1002—0861(2013)06—0064—05
inDeterminationofPhenolinMainstreamSmoke
Uncertainty Cigarette
HUANG TANGXuemei
Lin,TAOLi,QUYaling,YU Yi,and
Guangli,LIN Hang,ZHUHaijun,FANG
Tobacco ControlDetection
100029,China
Beijing Quality Station,Beijing
Abstract:Inorderto the oftest measurement of in
improveaccuracy results,the uncertaintyphenol
mainstreamsmoke andevaluated.
cigarette byhighperformanceliquidchromatography(HPLC)wasanalyzed
Themathematicalmodelformeasurementassessmentwasestablishedandthesourcesof
uncertainty uncertainty
wereidentified.Theresultsindicatedthatthemainsourcesof were
uncertaintysmokingprocess,measurement
andthe ofstandardsolution standard ofmeasurementresults
uncertainty
repeatabilityprocess preparation.The
was0.2 andthe was0.4 theconfidencelevelof95%.
pg/cig expandeduncertaintygg/cig(k=2)at
smoke;Phenol;Uncertainty
Keywords:Highperformanceliquidchromatography;Mainstreamcigarette
苯酚是卷烟主流烟气中的7种有害物质之一,是卷 卷烟主流烟气中苯酚释放量测定的不确定度分析与评
烟危害性指标评价的一个重要指标。1。31,其限量控制与 定的研究较少。因此,对高效液相色谱(HPLC)法测定
检测也得到高度重视,烟草质量检验机构检测数据的
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