Monthly Archive: October 2019
rjsilva@fc.ul.pt
October 21, 2019
Detecting single and paired outliers in replicate signals of calibration standards can be useful. Please find below a link for the spreadsheet. Outliers are identified by cell colours. The test’s confidence level can be selected in W column. Single…
Read more
rjsilva@fc.ul.pt
October 14, 2019
According to VIM3 [1], a method is: a “generic description of a logical organization of operations used in a measurement” (Entry 2.5) (e.g. standard addition method or gas-chromatography) …therefore, methods cannot be validated because are too general. The detailed description…
Read more
rjsilva@fc.ul.pt
October 1, 2019
A measurement result is usually expressed as a (“measured quantity value” ± “measurement uncertainty”). The measured quantity value aims at estimating the “true” quantity value of a measurand (VIM3: Entry 2.10). On the other hand, the measurement uncertainty is evaluated…
Read more