Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Marcel G.M. De Ruyter"'
Publikováno v:
Journal of chromatography. 162(3)
Publikováno v:
Analytical biochemistry. 98(2)
The occurrence of retinoic acid (vitamin A acid) as a normal constituent of the vitamin A reserve from the body is demonstrated. Improved methodologies based on selected peak monitoring (spm) and high-performance liquid chromatography (hplc) are used
Publikováno v:
Clinica chimica acta; international journal of clinical chemistry. 71(2)
A method for the evaluation of results in external quality control surveys is developed on purely statistical grounds. This system allows to establish accuracy and precision of assay methods by comparing statistical data from subsequent surveys. Howe