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Introduction to Validation of Analytical Methods: Potentiometric Determination of CO[subscript 2]

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Title: Introduction to Validation of Analytical Methods: Potentiometric Determination of CO[subscript 2]
Language: English
Authors: Hipólito-Nájera, A. Ricardo, Moya-Hernandez, M. Rosario, Gomez-Balderas, Rodolfo (ORCID 0000-0002-3293-1841), Rojas-Hernandez, Alberto, Romero-Romo, Mario
Source: Journal of Chemical Education. Sep 2017 94(9):1303-1308.
Availability: Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Peer Reviewed: Y
Page Count: 6
Publication Date: 2017
Intended Audience: Teachers
Document Type: Journal Articles
Reports - Descriptive
Education Level: Higher Education
Descriptors: Program Validation, Evaluation Methods, Chemistry, Laboratory Experiments, Undergraduate Students, Science Activities, Teaching Methods, Learning Experience, Scientific Methodology, Foreign Countries
Geographic Terms: Mexico
DOI: 10.1021/acs.jchemed.7b00252
ISSN: 0021-9584
Abstract: Validation of analytical methods is a fundamental subject for chemical analysts working in chemical industries. These methods are also relevant for pharmaceutical enterprises, biotechnology firms, analytical service laboratories, government departments, and regulatory agencies. Therefore, for undergraduate students enrolled in majors in the field of chemistry, learning validation of methods and chemometrics is essential. The following article presents the development of a laboratory experiment to validate a method to determine CO[subscript 2] by means of potentiometry. This experiment will allow students to approach a subject that may be part of their professional activities. The validated method was applied to determine CO[subscript 2] in commercial carbonated beverages. A teaching activity on method validation was proposed and implemented for senior students. After its application, students were able to improve significantly their knowledge on the topic. The potentiometric technique, underlying the validated method, has the advantage of being easy to apply and accessible in almost any undergraduate laboratory. Furthermore, the required reagents are available practically in any chemistry department. The shown procedures might be executed as laboratory activities in analytical chemistry due to their overall simplicity and rapidity.
Abstractor: As Provided
Number of References: 32
Entry Date: 2017
Accession Number: EJ1154010
Database: ERIC
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  Data: Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
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  Data: <searchLink fieldCode="DE" term="%22Program+Validation%22">Program Validation</searchLink><br /><searchLink fieldCode="DE" term="%22Evaluation+Methods%22">Evaluation Methods</searchLink><br /><searchLink fieldCode="DE" term="%22Chemistry%22">Chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Laboratory+Experiments%22">Laboratory Experiments</searchLink><br /><searchLink fieldCode="DE" term="%22Undergraduate+Students%22">Undergraduate Students</searchLink><br /><searchLink fieldCode="DE" term="%22Science+Activities%22">Science Activities</searchLink><br /><searchLink fieldCode="DE" term="%22Teaching+Methods%22">Teaching Methods</searchLink><br /><searchLink fieldCode="DE" term="%22Learning+Experience%22">Learning Experience</searchLink><br /><searchLink fieldCode="DE" term="%22Scientific+Methodology%22">Scientific Methodology</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink>
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  Data: 10.1021/acs.jchemed.7b00252
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  Data: Validation of analytical methods is a fundamental subject for chemical analysts working in chemical industries. These methods are also relevant for pharmaceutical enterprises, biotechnology firms, analytical service laboratories, government departments, and regulatory agencies. Therefore, for undergraduate students enrolled in majors in the field of chemistry, learning validation of methods and chemometrics is essential. The following article presents the development of a laboratory experiment to validate a method to determine CO[subscript 2] by means of potentiometry. This experiment will allow students to approach a subject that may be part of their professional activities. The validated method was applied to determine CO[subscript 2] in commercial carbonated beverages. A teaching activity on method validation was proposed and implemented for senior students. After its application, students were able to improve significantly their knowledge on the topic. The potentiometric technique, underlying the validated method, has the advantage of being easy to apply and accessible in almost any undergraduate laboratory. Furthermore, the required reagents are available practically in any chemistry department. The shown procedures might be executed as laboratory activities in analytical chemistry due to their overall simplicity and rapidity.
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  Data: 2017
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      – TitleFull: Introduction to Validation of Analytical Methods: Potentiometric Determination of CO[subscript 2]
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