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Detection of Method Effects on Quality of Analytical Data. A Statistical Exercise

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S. E. Quintar , J. P. Santagata , O. I. Villegas and V. A. Cortinez

Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Chacabuco y Pedernera, 5700 San Luis, Argentina

J. Chem. Educ., 2003, 80 (3), p 326

DOI: 10.1021/ed080p326

Publication Date (Web): March 1, 2003

Abstract

This article describes a laboratory experiment in which students verify the influence of methodology on the quality of analytical data. The copper and nickel contents in a nodular iron sample were determined by AAS and histograms and control charts were used in statistical analysis of the data.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Analytical Chemistry

Keywords (Subject):

Instrumental Methods

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Exercise in Quality Assurance: A Laboratory Exercise
Jens E. T. Andersen
Journal of Chemical Education2009 86 (6), 733
- Exercise in Quality Assurance: A Laboratory Exercise
  Jens E. T. Andersen
  Journal of Chemical Education2009 86 (6), 733
  A laboratory exercise in quality assurance (QA) of analytical chemistry is presented. Quality assurance is considered by students to be difficult, and it is also a demanding subject to the teachers, owing to the multitude of methods available to the ...
  Abstract | Hi-Res PDF | PDF w/ Links
Quantitative Comparison of Three Standardization Methods Using a One-Way ANOVA for Multiple Mean Comparisons
Russell D. Barrows
Journal of Chemical Education2007 84 (5), 839
- Quantitative Comparison of Three Standardization Methods Using a One-Way ANOVA for Multiple Mean Comparisons
  Russell D. Barrows
  Journal of Chemical Education2007 84 (5), 839
  The use of an external standard calibration curve, standard addition, and internal standard methods for quantitatively determining the concentration of analytes is important to the study of analytical chemistry, especially in the area of instrumental ...
  Abstract | Hi-Res PDF | PDF w/ Links