relative error

https://doi.org/10.1351/goldbook.R05266
@[email protected] divided by the true value of the @[email protected] Since a true value cannot be determined, in practice the @[email protected] is used.
Source:
VIM [Terms] [Source]
See also:
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 601 [Terms] [Paper]