Interlaboratory system to ensure and improve the quality of glassware calibration and use in a large laboratory

Laura Flores1, Claudia Santo, Mónica Trías

  • 1Technological Laboratory of Uruguay, Italia Ave 6201, Montevideo, Uruguay. lflores@latu.org.uy

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Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
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Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...