Standardization Within Analytical Chemistry

analytical chemistry analytical methods AOAC application assessment basic cell averages certification certified reference materials CGPM chemical analysis clause Cochran's test coded coefficient of variation collaborative studies computational concepts critical differences d'essais d'une definitions determination Dixon's test document normatif error être example given harmonization interlaboratory test International Standard ISO Guide IUPAC laboratoire logr measurement metrology millilitre national standards normal normalisation normative document normen NOTE number of laboratories operation organisme performed peut precision experiment procedure proficiency testing programme reagents recommended référence reference to standards repeatability and reproducibility repeatability conditions requirements sample single test results solution specific split-level experiment standard deviation standard method standard test standard test method standardizing bodies standards organizations Switzerland systematic error technique terminology test method test portion testing laboratories tion Uniform-level experiment variability variance быть документа или ИСО/МЭК РУКОВОДСТВО 2-1986 может орган ПРИМЕЧАНИЕ сертификации соответствия стандартизации стандарты термин