HOMOGENEITY STUDY FOR CERTIFICATION OF A CANDIDATE REFERENCE MATERIAL FOR POLYCYCLIC AROMATIC HYDROCARBONS

被引：0
|
作者：
Guimaraes, Evelyn de F. [2 ,3 ]
Pires do Rego, Eliane Cristina [2 ]
Moreira Cunha, Helen Cristine [2 ]
Rodrigues, Janaina M. [2 ]
Figueroa Villar, Jose Daniel [3 ]
da Cunha, Valnei Smarcaro [1 ]
机构：
[1] Natl Inst Metrol Standardizat & Ind Qual INMETRO, Chem Metrol Div, Sci & Ind Metrol Directorate, Duque De Caxias, RJ, Brazil
[2] Organ Anal Lab INMETRO, Duque De Caxias, RJ, Brazil
[3] IME, Dept Chem, Rio De Janeiro, RJ, Brazil
来源：
XIX IMEKO WORLD CONGRESS: FUNDAMENTAL AND APPLIED METROLOGY, PROCEEDINGS | 2009年
关键词：
Certified reference material; homogeneity; PAHs; uncertainty;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The objective of this work was to study the homogeneity of the lot of the candidate certified reference material (CRM) composed of 16 polycyclic aromatic hydrocarbons (PAHs) in toluene, with the purpose of evaluating the degree of homogeneity among its units and within a same unit, evaluating the uncertainty contribution of homogeneity to the certified value. The method used complies with ISO Guide 30 series, being the ANOVA the statistical tool used to evaluate the variability among and within units. According to the statistical parameters, the homogeneity of the candidate PAHs CRM was confirmed for all substances with their respective property values.
引用
收藏
页码：2638 / 2642
页数：5
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