原子吸收测定土壤镍的测量不确定度评定研究
|
摘要
本文评定了火焰原子吸收测定土壤中镍含量的测量不确定度。以标准土壤样品(GSW 17401)为测试对象,通过应用火焰原子吸收法测定土壤镍含量,对其测量不确定度的来源、计算和结果表示等问题进行探讨。样品消解前处理产生的不确定度最大,标准曲线拟合测定溶液产生的不确定度其次。在测定中前处理和标准曲线拟合测定溶液应给予足够重视,以减小测量不确定度。
Taking the measurement process of Ni content in standard soil samples(GSW 07401) as the measurement object, the uncertainty was estimated in this paper for determining Ni in soil by using flame atomic absorption spectrometry. The uncertainty generated by pre-treatment sample digestion was largest, followed by the standard curve fitting to determine the solution uncertainty. Thus, adequate attentions should be given to the pre-treatment and the standard curve fitting to determine the solution in order to reduce the measurement uncertainty.
Taking the measurement process of Ni content in standard soil samples(GSW 07401) as the measurement object, the uncertainty was estimated in this paper for determining Ni in soil by using flame atomic absorption spectrometry. The uncertainty generated by pre-treatment sample digestion was largest, followed by the standard curve fitting to determine the solution uncertainty. Thus, adequate attentions should be given to the pre-treatment and the standard curve fitting to determine the solution in order to reduce the measurement uncertainty.
引文
[1]ISO.Guide to the Expression of Uncertainty in Measurement[S].Geneva,1995
[2]国家质量技术监督局.JJF 1059-1999测量不确定评定与表示[M].北京:中国计量出版社,1999
[3]中国合格评定国家认可委员会.CNAS-CL07测量不确定度的要求[M].北京:中国计量出版社,2011
[4]倪育才.实用测量不确定度评定[M].3版.北京:中国计量出版社,2008:7–35
[5]中国实验室国家认可委员会.实验室认可与管理基础知识[M].北京:中国计量出版社,2003:64–81
[6]李慎安,王玉莲,范巧成.化学实验室测量不确定度[M].北京:化学工业出版社,2006:7–37
[7]Carullo A,Vallan A.Measurement uncertainty issues in freezedrying processes[J].Measurement,2012,45(7):1 706–1 712
[8]Jarvis B,Hedges AJ,Corry JEL.The contribution of sampling uncertainty to total measurement uncertainty in the enumeration of microorganisms in foods[J].Food Microbiology,2012,30(2):362–371
[9]Kwon SY,Lee S.Precise measurement of thermal conductivity of liquid over a wide temperature range using a transient hot-wire technique by uncertainty analysis[J].Thermochimica Acta,2012,542:18–23
[10]李敏毅,吴胜举.超声换能器辐射电导测量不确定度分析[J].压电与声光,2012,34(1):76–80
[11]刘巧珍,陈孝仙.液晶显示模块亮度的测量不确定度的评定[J].光电子技术,2012,32(1):59–61
[12]位恒政,王为农,裴丽梅,任国营.弹性压缩变形对步距规测量不确定度的影响[J].仪器仪表学报,2012,33(3):631–636
[13]王如海.土壤化学分析中的测量不确定度研究(硕士学位论文)[D].南京:南京林业大学,2011
[14]Alves S,Santos MMCD,Trancoso MA.Evaluation of measurement uncertainties for the determination of total metal content in soils by atomic absorption spectrometry[J].Accreditation and Quality Assurance,2009.14(2):87–93
[15]Saari E,Peramaki P,Jalonen J.Measurement uncertainty in the determination of total petroleum hydrocarbons(TPH)in soil by GC-FID[J].Chemometrics and Intelligent Laboratory Systems,2008.92(1):3–12
[16]陈素兰,池靖,陈波,蔡熹.X射线荧光光谱法测定土壤样品中铅的不确定度评定[J].中国环境监测,2008,24(6):43–47
[17]丁峰元,朱茜,李景文,孙晓萍,贾会,张书伟.ICPAES测定土壤中钡、铬和锰含量的不确定度评定[J].光谱实验室,2010,27(2):583–587
[18]简红霞,刘梯楼.HG-AFS法测定土壤样中硒的不确定度评定[J].安徽农业科学,2012,40(7):4 217–4 219
[19]刘红艳,周燕,王铁夫,李予晋.ICP-MS法测土壤样品中铜铅的不确定度评定[J].光谱学与光谱分析,2011,31(4):1 115–1 118
[20]刘婷琳,张浩原,黄赛花.姜黄素分光光度法测定土壤有效硼的不确定度评定[J].生态环境学报,2009,18(3):1 118–1 121
[21]鲁言波,蔡明招,洪榕.用波长色散X射线荧光光谱测定土壤中铬的不确定度[J].中国环境监测,2009,25(3):48–50
[22]沙艳梅.等离子体发射光谱法测定土壤和沉积物中6个常量元素结果不确定度评定[J].岩矿测试,2009,28(5):474–478
[23]沈荣蓉,陈志翔,沙悦韬.火焰原子吸收分光光度法测定土壤中铜元素的不确定度分析[J].化学世界,2008,49(2):90–92
[24]邢雁,李勇泽,赵玮.原子吸收光谱法测定土壤中有效铜和锌的不确定度评估[J].光谱实验室,2012,29(2):1 164–1 167
[25]国家质量技术监督局.土壤质量镍的测定火焰原子吸收分光光度法(GB/T 17139-1997)[S].北京:中国环境科学出版社,1997
[26]国家质量监督检验检疫总局.常用玻璃量器检定规程(JJG 196-2006)[S].北京:中国计量出版社,2006
[2]国家质量技术监督局.JJF 1059-1999测量不确定评定与表示[M].北京:中国计量出版社,1999
[3]中国合格评定国家认可委员会.CNAS-CL07测量不确定度的要求[M].北京:中国计量出版社,2011
[4]倪育才.实用测量不确定度评定[M].3版.北京:中国计量出版社,2008:7–35
[5]中国实验室国家认可委员会.实验室认可与管理基础知识[M].北京:中国计量出版社,2003:64–81
[6]李慎安,王玉莲,范巧成.化学实验室测量不确定度[M].北京:化学工业出版社,2006:7–37
[7]Carullo A,Vallan A.Measurement uncertainty issues in freezedrying processes[J].Measurement,2012,45(7):1 706–1 712
[8]Jarvis B,Hedges AJ,Corry JEL.The contribution of sampling uncertainty to total measurement uncertainty in the enumeration of microorganisms in foods[J].Food Microbiology,2012,30(2):362–371
[9]Kwon SY,Lee S.Precise measurement of thermal conductivity of liquid over a wide temperature range using a transient hot-wire technique by uncertainty analysis[J].Thermochimica Acta,2012,542:18–23
[10]李敏毅,吴胜举.超声换能器辐射电导测量不确定度分析[J].压电与声光,2012,34(1):76–80
[11]刘巧珍,陈孝仙.液晶显示模块亮度的测量不确定度的评定[J].光电子技术,2012,32(1):59–61
[12]位恒政,王为农,裴丽梅,任国营.弹性压缩变形对步距规测量不确定度的影响[J].仪器仪表学报,2012,33(3):631–636
[13]王如海.土壤化学分析中的测量不确定度研究(硕士学位论文)[D].南京:南京林业大学,2011
[14]Alves S,Santos MMCD,Trancoso MA.Evaluation of measurement uncertainties for the determination of total metal content in soils by atomic absorption spectrometry[J].Accreditation and Quality Assurance,2009.14(2):87–93
[15]Saari E,Peramaki P,Jalonen J.Measurement uncertainty in the determination of total petroleum hydrocarbons(TPH)in soil by GC-FID[J].Chemometrics and Intelligent Laboratory Systems,2008.92(1):3–12
[16]陈素兰,池靖,陈波,蔡熹.X射线荧光光谱法测定土壤样品中铅的不确定度评定[J].中国环境监测,2008,24(6):43–47
[17]丁峰元,朱茜,李景文,孙晓萍,贾会,张书伟.ICPAES测定土壤中钡、铬和锰含量的不确定度评定[J].光谱实验室,2010,27(2):583–587
[18]简红霞,刘梯楼.HG-AFS法测定土壤样中硒的不确定度评定[J].安徽农业科学,2012,40(7):4 217–4 219
[19]刘红艳,周燕,王铁夫,李予晋.ICP-MS法测土壤样品中铜铅的不确定度评定[J].光谱学与光谱分析,2011,31(4):1 115–1 118
[20]刘婷琳,张浩原,黄赛花.姜黄素分光光度法测定土壤有效硼的不确定度评定[J].生态环境学报,2009,18(3):1 118–1 121
[21]鲁言波,蔡明招,洪榕.用波长色散X射线荧光光谱测定土壤中铬的不确定度[J].中国环境监测,2009,25(3):48–50
[22]沙艳梅.等离子体发射光谱法测定土壤和沉积物中6个常量元素结果不确定度评定[J].岩矿测试,2009,28(5):474–478
[23]沈荣蓉,陈志翔,沙悦韬.火焰原子吸收分光光度法测定土壤中铜元素的不确定度分析[J].化学世界,2008,49(2):90–92
[24]邢雁,李勇泽,赵玮.原子吸收光谱法测定土壤中有效铜和锌的不确定度评估[J].光谱实验室,2012,29(2):1 164–1 167
[25]国家质量技术监督局.土壤质量镍的测定火焰原子吸收分光光度法(GB/T 17139-1997)[S].北京:中国环境科学出版社,1997
[26]国家质量监督检验检疫总局.常用玻璃量器检定规程(JJG 196-2006)[S].北京:中国计量出版社,2006