percentage relative error, \(e_{\text{r}}\, (\%)\)

https://doi.org/10.1351/goldbook.P04486
The @R05266@ expressed in @P04483@. It can be calculated from the @R05266@ by multiplying by 100. Comment: The term 'percentage @R05266@' should always be quoted in full, rather than 'error' or '@P04484@' to avoid confusion.
Source:
PAC, 1994, 66, 595. (Nomenclature for the presentation of results of chemical analysis (IUPAC Recommendations 1994)) on page 601 [Terms] [Paper]