A Quality Control Sample is one of any number of test specimens, such as a Proficiency Test or blank, intended to demonstrate that a measurement system or activity is in check.

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Quality control ■■■■■
A Quality control is the system of activities to ensure a quality product, including measurements made . . . Read More
Gram ■■■■■
Gram in the environmental context refers to a unit of mass measurement commonly used to quantify the . . . Read More
Sample Size ■■■■■
The Sample Size is the number of specimens units to be collected or the relative size of each specimen, . . . Read More
Quality Control (QC) ■■■■
Quality Control: A Quality Control (QC) is the system of checks that are used to generate excellence, . . . Read More
Countdown ■■■■
Countdown in the space industry context refers to the final sequence of events leading up to the launch . . . Read More
Laboratory Control Sample ■■■■
Laboratory Control Sample (LCS) is a specimen of known composition prepared using contaminant-free reagent . . . Read More
Positive Control Sample ■■■■
A Positive Control Sample is a prepared standard which undergoes an analytical procedure to provide comparison . . . Read More
Frequency distribution at psychology-glossary.com■■■■
Frequency distribution is defined as a plot of the number of scores occurring for each score value or . . . Read More
Lower limit of detection (LLD) ■■■■
A Lower limit of detection (LLD) is the smallest amount of sample activity which will yield a net count . . . Read More
Proficiency Test Sample ■■■■
A Proficiency Test Sample is a test specimen that mimics an actual specimen in all possible aspects, . . . Read More