IUPAC/CITAC Guide: Investigating Out-of-Specification Test Results of Chemical Composition Based on Metrological Concepts (IUPAC Technical Report)
IUPAC/CITAC Guide: Investigating Out-of-Specification Test Results of Chemical Composition Based on Metrological Concepts (IUPAC Technical Report)
Ilya Kuselman et al.
Pure and Applied Chemistry, 2012
Vol. 84, No. 9, pp. 1939–1971
A metrological background for investigating out-of-specification (OOS) test results of chemical composition is discussed. When an OOS test result is identified, it is important to determine its root causes and to avoid reoccurrence of such results. An investigation of the causes based on metrological concepts is proposed. It includes assessment of validation data of the measurement process and its metrological traceability chains, evaluation of measurement uncertainty, and related producer’s and consumer’s risks. This approach allows distinguishing between OOS test results that indicate an actual change in chemical composition of an analyzed object, and OOS test results that are metrologically related with a certain confidence probability. Practical examples illustrating applications of the described approach in environmental and food analysis, as well in drug analysis and stability study of drug products, are described. Acceptance limits, warning and action lines for the test results, and corresponding producer’s and consumer’s risks are discussed.
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Articles in the same Issue
- Masthead
- From the Editor
- Contents
- Our Roles, Responsibilities, and Legacy
- New Exhibit Shows the Influence of Alchemy on Modern Chemistry
- The European Chemicals Agency Experience
- IUPAC at the Helsinki Chemical Forum
- A Cross-Disciplinary, Multiclass Educational Project
- ICSTI at Work
- Young Chemists to the 44th IUPAC Congress
- John D. Petersen Appointed IUPAC Executive Director
- Mozambique and Argentina Join IUPAC as Full Members
- Winners of 2012 IUPAC Prizes for Young Chemists
- Rachel O’Reilly Receives the 2012 IUPAC-Samsung Young Polymer Scientist Award
- Second CHEMRAWN VII Prize Awarded to Rashmi Sanghi
- Ian Mills Awarded IUPAP SUNAMCO Prize
- Mark Cesa and James Economy Named ACS Fellows
- IUPAC Safety Training Program
- InChIs and Registry Numbers
- Guidelines for Reporting of Phase Equilibrium Measurements (IUPAC Recommendations 2012)
- Characterization of Photoluminescence Measuring Systems (IUPAC Technical Report)
- IUPAC/CITAC Guide: Investigating Out-of-Specification Test Results of Chemical Composition Based on Metrological Concepts (IUPAC Technical Report)
- A Brief Guide to Polymer Nomenclature
- IUPAC-NIST Solubility Data Series–Recent Volumes
- Going for Gold: The 44th International Chemistry Olympiad
- On the Description of Nanomaterials
- What’s in a Name? Possibly Death and Taxes!
- IUPAC MACRO World Polymer Congress 2012
- Analytical Chemistry in Africa
- Polymer
- Solution Chemistry
- Polymer Spectroscopy
- Grignard’s Gift to Chemistry
- Mark Your Calendar
- Index for 2012
