Standard Practice for Preparing Plastic Film Specimens for a Round-Robin Study
This practice is intended to assist task groups participating in a round-robin study with the preparation of test sets of film specimens from film samples in the form of rolls on a core.
This practice assumes that the essential features of the round-robin protocol have already been established by following the guidance of Practice E 691. In particular, it is assumed that the following are known: (1) the number of film samples to be used, (2) the number of participating laboratories, (3) the number of replicate test results to be generated by each laboratory for each sample, and (4) the number of test specimens required to yield one test result for each sample.
In accordance with this practice, samples are partitioned into test sets so that real within-sample variability will not unduly distort the conclusions drawn from statistical analyses of the data generated in the round-robin study.
1.1 This practice covers the preparation of test sets of plastic film specimens for subsequent use in an interlaboratory round-robin study to evaluate the precision of a test method.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
There is no similar or equivalent ISO standard.
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